Thoughts on a dive boat?

7 years 1 week ago #23728 by scubaal
scubaal created the topic: Thoughts on a dive boat?
OK,
So I have convinced the other half that I have been too long without a boat...and she agrees, (or just wants to shut me up).
So looking for something that is *big* enough to dive from (4-6 divers), and small enough to tow with a mid-size SUV. So that makes it an Ally trailer boat. Was looking at Trailcraft but then saw the Webster Twinfisher at the boat show.....and thought that looks neat....stable platform (cat)...lots of deck space....one motor so not too much weight.....can't afford a new one so currently looking out for a decent 2nd hand one...with the transom door.

but....

other half says boat will also be used for other things (skiing, tubing) at least as much as diving (true). I have heard that cats dont turn like mono-hulls and are junk for towing skiers (is that true?). Have also heard that single-motor Websters turn *almost* like a mono-hull (there is a video on their web site) - is that true?

Have also recently been made ware of the Sailfish cats - same sort of size as the Webster but 2 motors......

So any thoughts on:

a) The relative merits of ally cats (webster, sailfish, other) as trailerable diver vessels
b) whether its possible to ski behind a 'normal' cat (btw this is recreational skiin, nothing flash)
c) anything else

Ta
Al.

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7 years 1 week ago #268779 by Tassie Diver
Tassie Diver replied the topic: Thoughts on a dive boat?
I've driven 23 foot shark cats with twin 250hp motors, 15 foot tinnies with tiller steering and 14-18 foot tinnies with wheel steering. All with abalone divers working out of the boats.

Generally, cats won't turn as tight as a mono. The twin hulls act like rails to keep the boat tracking straight. Also, when you try to turn tight, the boat leans to the outside of the turn, unlike a mono, which leans inwards. As a result, turning diameters are greater.

Theoretically cats are more manoeuvrable than a mono (at low speed), but most people do better with a mono (less complicated).

Cats love rough weather, but the weight of a fibreglass hull helps them travel well. I've never driven an alloy cat, but know that ab divers generally avoid them.

Dunno if this helps you, YMMV.

Cheers

TD.

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7 years 1 week ago #268789 by pgcarter
pgcarter replied the topic: Thoughts on a dive boat?
There's an absolutely fantastic Stabicraft for sale 2nd hand in Tassie 643 HT I think. I had one of these years ago and it was great. Monohull with rigid pontoon. All the rescue services down south have been buying them. Look on boat point or boat sales.com saw it there a few weeks back. About 18ookg to tow.
regards Phill

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7 years 1 week ago #268799 by islanddiver
islanddiver replied the topic: Thoughts on a dive boat?
quote:

Originally posted by scubaal

OK,
So I have convinced the other half that I have been too long without a boat...and she agrees, (or just wants to shut me up).
So looking for something that is *big* enough to dive from (4-6 divers), and small enough to tow with a mid-size SUV. So that makes it an Ally trailer boat. Was looking at Trailcraft but then saw the Webster Twinfisher at the boat show.....and thought that looks neat....stable platform (cat)...lots of deck space....one motor so not too much weight.....can't afford a new one so currently looking out for a decent 2nd hand one...with the transom door.

but....

other half says boat will also be used for other things (skiing, tubing) at least as much as diving (true). I have heard that cats dont turn like mono-hulls and are junk for towing skiers (is that true?). Have also heard that single-motor Websters turn *almost* like a mono-hull (there is a video on their web site) - is that true?

Have also recently been made ware of the Sailfish cats - same sort of size as the Webster but 2 motors......

So any thoughts on:

a) The relative merits of ally cats (webster, sailfish, other) as trailerable diver vessels
b) whether its possible to ski behind a 'normal' cat (btw this is recreational skiin, nothing flash)
c) anything else

Ta
Al.








I've owned several monohull boats in the past, and currently run a 28ft Cougar cat. (a commercial dive boat)

For diving purposes I think Cats are almost unbeatable as they are super stable both underway and at rest. This makes it ideal when kitting up and getting on and off the boat in less than perfect seas. The only downside is that cats handle poorly (in comparison to a monohull) in a heavy following sea. Unless you are frequently crossing bars where this could be an issue, I think the advantages of a cat far outweigh those of a mono hull.

As for skiing, I suppose it wouldn't be a problem, but as someone else mentioned above it wouldn't be as good as a mono hull due to the turning characteristics at high speeds. That said, at medium to low speeds they still turn pretty well.

The only other thing I'd mention is that I'd avoid single motor cats. Twin outboards allow for so much better control, especially at low speeds, and the single motor cats I've driven (in comparison to twin powered) have handled like pigs.

Happy shopping!
Cheers,
Pete

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7 years 1 week ago #268822 by Andy
Andy replied the topic: Thoughts on a dive boat?
We have recently been down the path of looking at a new boat. This is our third trailerboat (forth if you include the little zodiac we used as a tender to the old bay cruiser we had many years ago).

A lot depends on the distance you are travelling (and the time you have to make the trip), the seas you will have to contend with on the way, the number of divers you want to carry and the diving you are doing.

For us our diving typically involves a 3/4 hour trip across Moreton Bay (by a planning boat) then a haul around the Cape in open seas.

We had done many years ago the boat permanently in the water thing and the cost, hassle and maintenance as well as the inflexibility to tow to new waters up and down the coast lead us to trailer boats.

We have had two fiberglass half cabins, the first was an 18 footer and the second a 23 footer. The first was just too small and we got beaten to death in riding through the Moreton bay chop mot to mention the pils of gear everywhere. The larger boat was very comfortable, too much of it was given over to the cabin however and we were still a bit pushed for space.

A common theme with these boats is that they are built with fishing in mind. I had to build tank racks, decent ladders, fit covers etc to make them more diver friendly.

We have gone down the path of custom building in plate aluminium. The advantage of this medium is the flexibility to customize. We are currently having built by Cairns Custom Craft a 7.6 metre monohull, overwidth at 2.85m but still towable under a generic permit Qld Transport put out for boats.

We looked long and hard at cat options but ended up back at a mono. We looked at some fantastic craft coming out of Noosacat. We however came to the conclusion that, at least in a hardtop configuration as we wanted the boat was just getting too heavy (bearing in mind that this weight is probably much a part of their legendary performance mind you). We looked at Cougar cats too again a great boat but again really heavy. Bear in mind that once a boat and trailer go over the 3.5 tonne mark you are over the towing limit of the big 4WDs and into the realm of F250s, Dodge Rams etc.

We looked too at Aluminium cats. Some other aluminium products to look at include Leisure Cats, Marlin Broadbills, Jaycats, and the Sailfish you mentioned. We came to a several conclusions:

1.There seems to be more art than science to getting these boats right. Everyone has their own theory of tunnel heights, hull shapes, weight distribution etc. And the consequence of this is that you potentially could spend a lot of money and have a disappointing result. There are enough unhappy owners (and dont get me wrong there are lots of happy ones too) to sow seeds of doubt about the potential outcome of building one of these.

2. An aspect of why a GRP cat like a Noosacat (for example) works so well is the weight of the boat. Trying to reduce weight of a cat by constructing in aluminium can be somewhat counterproductive.

3. Cats are far more sensitive to weight on board than a mono. This is a pretty broad statement but is really aimed at a trailable size cat and is something for divers to think about especially when you have half a dozen twin sets, stage bottles etc on board.

As you are looking at second hand you have a great advantage of asking to go out in some reasonably crappy conditions and seeing how the boat performs. Research too the fishing forums but be aware of people who say theirs is the best.

Personally Id look at some of the following as options:

Sharkcats you could pick up a well priced, second hand 18 footer (as an example) with some tired 2-strokes on the back. Put some time and effort in as well as a couple of new donks (watch the weight, but it should be possible to repower with 4 strokes or alternatively Etecs).

RIBs These are successfully used by many divers. Given their inherent buoyancy they are extremely seaworthy. The hull shape created by the tubes makes them quite stable at rest and the softness contributes to ride comfort (the hull shape of the rigid section is the major factor in this however and the tubes can work against this). The downside to them is the space lost inside the boat (and this applies to all including the aluminium Stabis, Ocean Cylinders etc) as well as the longer-term durability of the tubes (i.e. with the inflatable tubes not plate versions).

Mono Platies There has been a huge amount of development in this area and there are some really nice boats about. Again these are typically set up for fishermen not divers, nevertheless they are well worth looking at. A direction they have gone in is to build a hull with around a 17 degree deadrise the planes without strakes down to around 14 knots. The compromise is stability at rest and some solutions to this are the flooded keels as seen in Barcrushers, Fishers, Spacecrafts etc, and additional beam (the latter the path we have down).

With regard to Trailcrafts, I had heard they went into receivership, but their website is still up and running so I guess they are still in production. People rave about them, I looked at one when we were looking to replace the Signature (some 5 years ago) and thought the workmanship was pretty ordinary.

With regard to Websters, I have never driven one nor do I know anyone with one. A couple of general comments though. Cats rely on riding on a cushion of air compressed into the tunnel, Id question what having an outboard plonked in the exit does to this. Part of Bruce Harris success with his Sharkcats was to put two engines in the back corners thereby making the boat easy to maneuver and trim.

Hope some of my ramblings help (I talk far too much!) There should be a lot of good value on the second hand market at the moment. If you are limited in towing weight, keep this in mind and watch the trailer is up to the job too. Best of luck.

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7 years 1 week ago #268823 by Chewie525
Chewie525 replied the topic: Thoughts on a dive boat?
I currently have a 6.3 mtr haines signature with a custom built ladder and ski pole awsome for g/p boat turns great but a but moves a fair bit on anchor other than that does everthing you want except its heavy I have mates with trailcrafts great boats and will do everything you want in all i have mates with all sorts of boats have been on them all and if I was purchasing now I would take a long hard look at the stabi craft I recon they are a step above the rest very stable and pop out of the water very easy and turn on a dime the only thing I would do is go for the highest h/power motor the hull is rated for and around the 6 mtr is good for 6 divers

Regards
Chewie

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7 years 1 week ago #268825 by pgcarter
pgcarter replied the topic: Thoughts on a dive boat?
We had the 6.5 hull, six bodies, 12 tanks and gear no trouble with a 150 Optimax, used to do 30 knots loaded, 40 knots with just 3 on board flat out. Can't see the space problem?? felt way roomier than comparable length glass hulls. I had a good chat to the Devilcat designer, he said his 6.6m hull had a safe working load of 3.5 tons which is way above what you'd put on a comparable monohull for length, so I don't get the load comment either.....but I spose if you've used them all in lots of circumstances I suppose you know what it felt like.
regards Phill Carter

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7 years 1 week ago #268837 by Andy
Andy replied the topic: Thoughts on a dive boat?
Phill I did not say there was a space problem but if you take a craft with say a 2.5m beam, stick two ruddy grate tubes 500mm diameter (or more) down each side. At 6.5m long you now have a deck 1.5 m wide and have lost around 6.5 square metres of space. A GRP boat might have a gunwale 8-10 wide and a platie even less plus you get side pockets.

I dont know about plonking 3.5T on a 6.5m boat of any description. The load carrying ability is not so much the issue itself (though I think physics suggest that it is less) it is the sensitivity to trim. People have repowered these boats and had just a small increase in engine weight impact the trim. Put too much weight up forward and have a similar affect. It is simple principles of buoyancy. A mono displaces more water per inch of draft than the two relatively skinny pontoons of a cat therefore whilst weight placement on board is important to optimizing the trim of either, a cat is more sensitive to this.

What has happened with Devilcat BTW? I had heard someone had bought all the moulds and shipped them to the mainland to go back into production but have not heard any more.

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7 years 1 week ago #268840 by pgcarter
pgcarter replied the topic: Thoughts on a dive boat?
Hi Andy,
The Stabi's definitely don't have any where near that much loss of width in the floor of the cabin. It is nearly as wide as the total width of the hull including the pontoons. When I talked to the Devilcat guys they had moved the small boat production to Sydney, they were very helpful and happy to talk about whatever questions I had. I have not spent all that much time driving boats, so the feel thing is something I don't have much experience with but I have spent a fair bit of time on the water in one hull or another, I was surprised when he said they had frequently driven a 6.6M hull with 3.5 tons on it off shore out to the reef islands in Qld.
regards Phill

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7 years 1 week ago #268850 by Andy
Andy replied the topic: Thoughts on a dive boat?
The old Devil cats had a great following and deservedly so. They were extremely solid (and heavy) as well as seaworthy. It will be interesting to see how they are reborn so to speak.

Hopefully they will go down the path of getting rid of all the timber and building a full composite boat as Wayne did with the Sharkcats (now Noosacats).It will be interesting to wee what they do with the styling too, the old ones I've seen had the clinker style sides and very basic finishes. Smooth curves, looks and gloss seem to be a big part of selling boats these days (at the expense of functionality in some cases)

Are you looking at getting them to build one?

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7 years 1 week ago #268896 by pgcarter
pgcarter replied the topic: Thoughts on a dive boat?
Not really, just anal about researching options and while I really liked the Stabi we had I was looking into other hulls of about 6.5m and seeing what I could find out about safe working loads because we sometimes get a fair way from the boat ramp and was looking to take maybe 3 dive pairs plus driver and deckhand along with loads of sling tanks etc, two/three years back the Devilcat option was very well priced. I bought a gold pass on the charter boats instead. Now I don't have a gold pass I'm looking at boats again. It's probably cheaper and better for me to just go buy a gold pass again.
regards Phill

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7 years 1 week ago #269003 by Mick T
Mick T replied the topic: Thoughts on a dive boat?
picasaweb.google.com/micktait.com/DeepAttraction#

We have a 7.6m Stabi. Great Dive boat, and can run 4 divers comfortably.

Mick.

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7 years 4 days ago #269256 by jaguar18
jaguar18 replied the topic: Thoughts on a dive boat?
We have a 18ft Hydrofield tri hull, great amount of deck space, great dive platform and fishing platform, I've never tried to tow anything though, very stable if it roughs up

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7 years 3 days ago #269341 by AB
AB replied the topic: Thoughts on a dive boat?
Have friends who flipped a Webster in a bar (PPB Rip) said it was "unforgiving". We have had a 6.1 Trailcraft for almost 10 years. It performs well with a 135 Jonno, and 6 divers with twin tanks. Been absolutely reliable in some awful conditions, and with the walk through transom it is a delight to dive from. 10 years of regular diving with heavy loads and no hull issues, but we have the earlier transom design which is much stronger. At under 2 tonne it is easily towed by mid sized 4WD. They are out of production, but there are quite a few good boats to be had 2nd hand. Many other plate boats are equally as good, but few have such a dive friendly transom.

Alan

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6 years 11 months ago #270134 by Beyondthesurface
Beyondthesurface replied the topic: Thoughts on a dive boat?
I have had a bit of experience in al ot of these boats being a Marine Technician for 10 years. The Websters are quite good boats, the one motor in the centre actually works quite well with them, believe it or not! Probably not a good idea as a ski boat- the wake from a twin hull gets a bit messy! The cornering is a bit interesting, they don't lean into the corner like a monohull as possibly explained, but don't lay out like a cat usually would, mostly a slight lean outwards. I set a couple of the 5.2m (I think??) Runabouts with a 115 Yamaha Four Stroke on the back. This was heaps of power, but starting to get a little heavy. They were really well balanced with something around the 90hp two strokes.
I don't rate any other ally cats as being worth the money in the midsized cats- fibreglass works sooooooo much better!
I would probably look towards a monohull- ally or good quality secondhand glass.
I also noticed in the West Australian yesterday that Trailcraft have re-opened the factory. Seems strange as I know of someone buying the name (not the whole business) when they went under.

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6 years 9 months ago #275609 by jugglematt
jugglematt replied the topic: Thoughts on a dive boat?
Hey Mate
i actually have a webster 4.6 that i have set up for diving. i dive out of it most weekends and some midweek.so it gets lots of use.

as a dive platform i love it , its stable , very easy to launch and retrieve, and with the walk through transom and webster dive ladder easy to get back into , as the boat also has a walk through windscreen dropping and retrieving anchor is a breeze.
in choppy seas its great , smooth ride , that i feel is more comfortable than many bigger boats, following seas , yeah it wollows a bit at times but i just take my time and work with it. no problem .

if your buying a webster for diving , dont buy one without the transom door.

as i said i have the 4.6m and i comfortably dive 3 with double tanks, plenty of room to moove , the 4.6 now is the 4.9 . if you want to dive with 4 or 6 divers on a regular basis i would search for the 4.9 or 5.3?

i have the 60hp 4/ yamaha which is fine , but if you go a bigger boat go for the 80 or 90hp or more ? .

i believe new websters are now being produced with a plate hull/ pressed hull , and thicker aluminum,mmmm very nice , even though i love my boat , if i had the $$$$$ i would really like a plate hull webby. but thats another story.

finding one ???
boat point and be prepared to wait a while , it took me 6 months of scanning boat point weekly , with my list of specs in mind which was . 4.6m , transom door , 60hp yamaha 4/ low hours .
also look at inverlock marine in Vic , they sell quite a few

turning , well the webster is a great dive/ fishing boat , but i think not a great ski boat, if your set on skiing on a regular basis , look for a monohull but if your family sking tubing on the odd weekend it might be ok .
for monohulls the trailcraft are a very solid well built boat worth a look

ribs or ducks , are a popular choice and one that i looked at , but i found them to be WET and not as roomy as a Cat

i dive out of Jervis bay , so if you want to see one set up drop me a line sometime
Regards
Matty

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6 years 9 months ago #275613 by jugglematt
jugglematt replied the topic: Thoughts on a dive boat?
have a read of this review of the new 4.9 webster

www.websterstwinfisher.com.au/client_images/925898.pdf

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6 years 1 month ago #284893 by dlr
dlr replied the topic: Thoughts on a dive boat?
darren roberts (from Sydney, NSW) has listed the following item(s) they want to sell for $38000.00.
FOR SALE
RIB 6.6mt Atlantis Inflatable 2006.150HP Honda Vtec Engine only 260hrs. 100lt inbuilt fuel tank.
New trailer, totally re tubed recently black rubs and light grey tubes in colour. Full safety gear, full Honda centre console controls, new battery ready to use nothing to spend. A Great Dive boat
please contact darren
0413 317 240
can email photos and discuss sale.
You can contact them via EMAIL or by phone on 0413 317 240.

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6 years 1 month ago #284894 by dlr
dlr replied the topic: Thoughts on a dive boat?
quote:

Originally posted by dlr

darren roberts (from Sydney, NSW) has listed the following item(s) they want to sell for $38000.00.
FOR SALE
RIB 6.6mt Atlantis Inflatable 2006.150HP Honda Vtec Engine only 260hrs. 100lt inbuilt fuel tank.
New trailer, totally re tubed recently black rubs and light grey tubes in colour. Full safety gear, full Honda centre console controls, new battery ready to use nothing to spend. A Great Dive boat
please contact darren
0413 317 240
can email photos and discuss sale.
You can contact them via EMAIL or by phone on 0413 317 240.



/Users/darrenroberts/Desktop/IDEAS/photo5.JPG

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6 years 4 weeks ago #285568 by DA
DA replied the topic: Thoughts on a dive boat?
quote:

Originally posted by Andy

We have recently been down the path of looking at a new boat. This is our third trailerboat (forth if you include the little zodiac we used as a tender to the old bay cruiser we had many years ago).

A lot depends on the distance you are travelling (and the time you have to make the trip), the seas you will have to contend with on the way, the number of divers you want to carry and the diving you are doing.

For us our diving typically involves a 3/4 hour trip across Moreton Bay (by a planning boat) then a haul around the Cape in open seas.

We had done many years ago the boat permanently in the water thing and the cost, hassle and maintenance as well as the inflexibility to tow to new waters up and down the coast lead us to trailer boats.

We have had two fiberglass half cabins, the first was an 18 footer and the second a 23 footer. The first was just too small and we got beaten to death in riding through the Moreton bay chop mot to mention the pils of gear everywhere. The larger boat was very comfortable, too much of it was given over to the cabin however and we were still a bit pushed for space.

A common theme with these boats is that they are built with fishing in mind. I had to build tank racks, decent ladders, fit covers etc to make them more diver friendly.

We have gone down the path of custom building in plate aluminium. The advantage of this medium is the flexibility to customize. We are currently having built by Cairns Custom Craft a 7.6 metre monohull, overwidth at 2.85m but still towable under a generic permit Qld Transport put out for boats.

We looked long and hard at cat options but ended up back at a mono. We looked at some fantastic craft coming out of Noosacat. We however came to the conclusion that, at least in a hardtop configuration as we wanted the boat was just getting too heavy (bearing in mind that this weight is probably much a part of their legendary performance mind you). We looked at Cougar cats too again a great boat but again really heavy. Bear in mind that once a boat and trailer go over the 3.5 tonne mark you are over the towing limit of the big 4WDs and into the realm of F250s, Dodge Rams etc.

We looked too at Aluminium cats. Some other aluminium products to look at include Leisure Cats, Marlin Broadbills, Jaycats, and the Sailfish you mentioned. We came to a several conclusions:

1.There seems to be more art than science to getting these boats right. Everyone has their own theory of tunnel heights, hull shapes, weight distribution etc. And the consequence of this is that you potentially could spend a lot of money and have a disappointing result. There are enough unhappy owners (and dont get me wrong there are lots of happy ones too) to sow seeds of doubt about the potential outcome of building one of these.

2. An aspect of why a GRP cat like a Noosacat (for example) works so well is the weight of the boat. Trying to reduce weight of a cat by constructing in aluminium can be somewhat counterproductive.

3. Cats are far more sensitive to weight on board than a mono. This is a pretty broad statement but is really aimed at a trailable size cat and is something for divers to think about especially when you have half a dozen twin sets, stage bottles etc on board.

As you are looking at second hand you have a great advantage of asking to go out in some reasonably crappy conditions and seeing how the boat performs. Research too the fishing forums but be aware of people who say theirs is the best.

Personally Id look at some of the following as options:

Sharkcats you could pick up a well priced, second hand 18 footer (as an example) with some tired 2-strokes on the back. Put some time and effort in as well as a couple of new donks (watch the weight, but it should be possible to repower with 4 strokes or alternatively Etecs).

RIBs These are successfully used by many divers. Given their inherent buoyancy they are extremely seaworthy. The hull shape created by the tubes makes them quite stable at rest and the softness contributes to ride comfort (the hull shape of the rigid section is the major factor in this however and the tubes can work against this). The downside to them is the space lost inside the boat (and this applies to all including the aluminium Stabis, Ocean Cylinders etc) as well as the longer-term durability of the tubes (i.e. with the inflatable tubes not plate versions).

Mono Platies There has been a huge amount of development in this area and there are some really nice boats about. Again these are typically set up for fishermen not divers, nevertheless they are well worth looking at. A direction they have gone in is to build a hull with around a 17 degree deadrise the planes without strakes down to around 14 knots. The compromise is stability at rest and some solutions to this are the flooded keels as seen in Barcrushers, Fishers, Spacecrafts etc, and additional beam (the latter the path we have down).

With regard to Trailcrafts, I had heard they went into receivership, but their website is still up and running so I guess they are still in production. People rave about them, I looked at one when we were looking to replace the Signature (some 5 years ago) and thought the workmanship was pretty ordinary.

With regard to Websters, I have never driven one nor do I know anyone with one. A couple of general comments though. Cats rely on riding on a cushion of air compressed into the tunnel, Id question what having an outboard plonked in the exit does to this. Part of Bruce Harris success with his Sharkcats was to put two engines in the back corners thereby making the boat easy to maneuver and trim.

Hope some of my ramblings help (I talk far too much!) There should be a lot of good value on the second hand market at the moment. If you are limited in towing weight, keep this in mind and watch the trailer is up to the job too. Best of luck.




nice tub... I'll keep an eye open for this boat.

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6 years 4 weeks ago #285570 by DA
DA replied the topic: Thoughts on a dive boat?
quote:

Originally posted by jugglematt

Hey Mate
i actually have a webster 4.6 that i have set up for diving. i dive out of it most weekends and some midweek.so it gets lots of use.

as a dive platform i love it , its stable , very easy to launch and retrieve, and with the walk through transom and webster dive ladder easy to get back into , as the boat also has a walk through windscreen dropping and retrieving anchor is a breeze.
in choppy seas its great , smooth ride , that i feel is more comfortable than many bigger boats, following seas , yeah it wollows a bit at times but i just take my time and work with it. no problem .

if your buying a webster for diving , dont buy one without the transom door.

as i said i have the 4.6m and i comfortably dive 3 with double tanks, plenty of room to moove , the 4.6 now is the 4.9 . if you want to dive with 4 or 6 divers on a regular basis i would search for the 4.9 or 5.3?

i have the 60hp 4/ yamaha which is fine , but if you go a bigger boat go for the 80 or 90hp or more ? .

i believe new websters are now being produced with a plate hull/ pressed hull , and thicker aluminum,mmmm very nice , even though i love my boat , if i had the $$$$$ i would really like a plate hull webby. but thats another story.

finding one ???
boat point and be prepared to wait a while , it took me 6 months of scanning boat point weekly , with my list of specs in mind which was . 4.6m , transom door , 60hp yamaha 4/ low hours .
also look at inverlock marine in Vic , they sell quite a few

turning , well the webster is a great dive/ fishing boat , but i think not a great ski boat, if your set on skiing on a regular basis , look for a monohull but if your family sking tubing on the odd weekend it might be ok .
for monohulls the trailcraft are a very solid well built boat worth a look

ribs or ducks , are a popular choice and one that i looked at , but i found them to be WET and not as roomy as a Cat

i dive out of Jervis bay , so if you want to see one set up drop me a line sometime
Regards
Matty



So true Matty the vessel is only as capable as it's Capitana'

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6 years 4 weeks ago #285571 by DA
DA replied the topic: Thoughts on a dive boat?
quote:

Originally posted by AB

Have friends who flipped a Webster in a bar (PPB Rip) said it was "unforgiving". We have had a 6.1 Trailcraft for almost 10 years. It performs well with a 135 Jonno, and 6 divers with twin tanks. Been absolutely reliable in some awful conditions, and with the walk through transom it is a delight to dive from. 10 years of regular diving with heavy loads and no hull issues, but we have the earlier transom design which is much stronger. At under 2 tonne it is easily towed by mid sized 4WD. They are out of production, but there are quite a few good boats to be had 2nd hand. Many other plate boats are equally as good, but few have such a dive friendly transom.

Alan






Nice legs shame about the face!

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6 years 1 week ago #286128 by wiggsy
wiggsy replied the topic: Thoughts on a dive boat?
Jugglematt...I am really interested in the 4.6 (or 4.9) Webster Twinfisher...but from I what I can see - they went into recievership in Octoebr 2010....I'm not too sure of they're still being made. I can't seem to find any distributors...Any update on where they are available (live in Vic...)

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5 years 11 months ago #286627 by Trickie Dickie
Trickie Dickie replied the topic: Thoughts on a dive boat?
Our club just bought this beast:





(somewhat distorted by wide angle lens)

She's a 5.9m Oceancraft, bought her secondhand in Qld and had her driven down.

It has 115HP 4 stroke on the back; we took her out last weekend in a lumpy southerly with 5 divers, 10 tanks etc and she ate it for breakfast, got 25 knots out of her heading straight into it, without really trying, there was still lots of power left to play with.

Space was constrained as we had to lay the tanks down on the floor, 6 in front of the console and 4 at the transom. We are building a rack to take 18 tanks (including 2-3 twinsets) which will go in the bow, after which she'll take 8 divers plus all gear. Given that she's half a metre longer than our previous cuddy cabin she is much much quicker, steers better, no jarring as she pushes into/over a sea and much nicer in a following sea too - it was like sitting in a jet fighter, very fast, yet very comfortable and beautifully stable when stationary too. Dryer than the old boat too.

We are very excited about her and cannot believe that we've picked such a winner.

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5 years 11 months ago #286659 by DA
DA replied the topic: Thoughts on a dive boat?
quote:

Originally posted by Trickie Dickie

Our club just bought this beast:





(somewhat distorted by wide angle lens)

She's a 5.9m Oceancraft, bought her secondhand in Qld and had her driven down.

It has 115HP 4 stroke on the back; we took her out last weekend in a lumpy southerly with 5 divers, 10 tanks etc and she ate it for breakfast, got 25 knots out of her heading straight into it, without really trying, there was still lots of power left to play with.

Space was constrained as we had to lay the tanks down on the floor, 6 in front of the console and 4 at the transom. We are building a rack to take 18 tanks (including 2-3 twinsets) which will go in the bow, after which she'll take 8 divers plus all gear. Given that she's half a metre longer than our previous cuddy cabin she is much much quicker, steers better, no jarring as she pushes into/over a sea and much nicer in a following sea too - it was like sitting in a jet fighter, very fast, yet very comfortable and beautifully stable when stationary too. Dryer than the old boat too.

We are very excited about her and cannot believe that we've picked such a winner.



Nice stuff, rack design will be interesting

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5 years 11 months ago #286805 by wiggsy
wiggsy replied the topic: Thoughts on a dive boat?
AB - I'm after a new dive boat and am tossing up between the Webster and the Trailcraft....but I have a limiting factor - as I beach launch a lot down at Flinders, I need a 5 metre or less...so I'm looking in the size range of the Trailcraft 465/485 Freestyle or the 4.9 Webster Twinfisher.. I love the transom set up on the Trailcraft and see the advantages (but...what a pity they don't put a full on fishbone style dive ladder). What concerns me a little on the Trailcraft is the ride. I know yours is 6.1 and thus hard to compare with what a 4.65/4.85 will ride like, but I gather with a 14 degree deadrise they can be a little bangy? No doubt a very solid boat, with a self draining deck no less...but could you comment on the ride quality...? The Trailcraft are much mre affordable than the Webster Twinfisher (which seems to run nearly 10 grand more)....There's one new (2008 model) with a new Merc 4 stroke for 29,000 and I can barel find a 7 year old Webster rig for that.

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5 years 11 months ago #286806 by Descend
Descend replied the topic: Thoughts on a dive boat?
quote:

Originally posted by wiggsy

AB - I'm after a new dive boat and am tossing up between the Webster and the Trailcraft....but I have a limiting factor - as I beach launch a lot down at Flinders, I need a 5 metre or less...so I'm looking in the size range of the Trailcraft 465/485 Freestyle or the 4.9 Webster Twinfisher.. I love the transom set up on the Trailcraft and see the advantages (but...what a pity they don't put a full on fishbone style dive ladder). What concerns me a little on the Trailcraft is the ride. I know yours is 6.1 and thus hard to compare with what a 4.65/4.85 will ride like, but I gather with a 14 degree deadrise they can be a little bangy? No doubt a very solid boat, with a self draining deck no less...but could you comment on the ride quality...? The Trailcraft are much mre affordable than the Webster Twinfisher (which seems to run nearly 10 grand more)....There's one new (2008 model) with a new Merc 4 stroke for 29,000 and I can barel find a 7 year old Webster rig for that.




Wiggsy,

If this info helps helps my brother has a Trailcraft Profish 485, and I think the hull is the same? Certainly look very similar. It is a great boat, very capable and handles rough conditions beautifully for its size, but yes like many tinnies, it 'bangs like a dunny door' so to speak. You just really need to adjust your driving style and slow down when it starts to chop up.

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5 years 11 months ago #286814 by wiggsy
wiggsy replied the topic: Thoughts on a dive boat?
Thanks for the info....yes I suspect most/all alloys will be a bit bangy into a Port Phillip Bay chop.....but then again all boats are a compromise - I'm just after the right balance. The trailcraft do seem to be a solid and reliable unit, without the weight of the barcrusher.

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5 years 11 months ago #286848 by AB
AB replied the topic: Thoughts on a dive boat?
Wiggsy,

The Trailcraft 465/485 Freestyle are significantly different to my Trailblazer 610. Mine has 4 mm sides and 5mm bottom and a 250 litre fuel tank which does deaden the banging somewhat. What they do share is a very dive friendly transom, and a self draining deck.

To make the self draining deck work, the floor is slightly higher than most open floored boats, which makes them seem a bit tender. They roll a little bit and seem to stabilise quickly around 15 - 20 degrees. A lot of weight seems to improve this, and is why I like to run with a full boat. Don't be too critical of the ladder. I find traditional dive ladders of limited use on small boats as you can't effectively walk onto the boat with your fins on anyway. If you pass up your fins, the Trailcraft ladder and handrails make getting in a breeze. After a bit of use the fishbone style ladders move side to side as you climb, whereas the Trailcraft ladder always stays stable, and the angle is perfect. Mine has had almost 2000 divers easily climb aboard and is still good.

So I can't really comment on the ride, but as has been mentioned, allies will always be a bit harsh in a chop. My suggestion is to see if you can test drive each model (although I'd avoid any boat less than 4.8 metres so you don't have to wear a PDF all the time), and you are always welcome to come diving with us to see how the ladder and transom works.

Alan

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5 years 8 months ago #289866 by Trickie Dickie
Trickie Dickie replied the topic: Thoughts on a dive boat?
quote:

Originally posted by DA


Nice stuff, rack design will be interesting






Here it is; With space for 18 x 12Ls, I thought it was big enough for what we'd ever need. Fast forward to yesterday when she went out with 7 divers and 21 tanks - including Tassie Divers ENORmous 15L twinset.





I made it out of 3 sheets of 1200 x 600 x 12mm marine ply from Mitre 10, about $30/sheet; with the bungee and olives, it came to under $200; also gave it 3 coats of decking oil.

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