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Old 03 August 2008, 12:44   #31
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Country: Canada
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Length: 4m +
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Quote:
Originally Posted by BumbleAbout View Post
I looked at these a couple of years ago, but I wanted to seat 4 (including 2 children) and it didn't look easy.

If you had a choice between say a 5.2m RIB and one of the Caesar surfcats - which one would you pick in a choppy sea (I'm starting to venture further afield and the Zodiac slams too much for the children's liking) ?

Bumble,

Both Ed the Duck and Easyrider could give you some specific info about how the surfs and surfcats compare to longer RIBs, since they have experience with a variety of different RIBs, and I don't. Having said that, it is a bit of an apples-oranges comparison given the difference in length and weight of a 5.2m RIB to that of a 4.1m surfcat and a 4.2m surf. I imagine a Gemini Dive 530 would be a bit more fair of a comparison of a cat hull SIB to a 5.2m RIB.

Even amongst various makes of 5.2 m RIBs, their ride smoothness in the chop will be affected by the keel profile and the weight of the boat. Generally, a deeper V keel profile and a heavier RIB will be smoother in the rough, but will also require more engine power. I know that my Dive 470 rides a little more smoothly in rough waters if it is loaded with gear than unloaded. The beauty of the cat hull SIB compared to a RIB of similar length is that the SIB will still be much lighter and require alot less power.
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Old 04 August 2008, 06:26   #32
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Country: UK - England
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Originally Posted by prairie tuber View Post
I know that my Dive 470 rides a little more smoothly in rough waters if it is loaded with gear than unloaded. The beauty of the cat hull SIB compared to a RIB of similar length is that the SIB will still be much lighter and require alot less power.
prairie - thanks - I understand that it's a very difficult comparison and I was totally sold on the lighter weight cat hull SIB's category which the Zodiac just squeezes into.

However, given that we trailer it around and also have a 3m + 5hp SIB I'm starting to investigate whether a "deep V" 5.5m (ish) RIB is a more sensible choice for longer 10-20 mile journeys in a wider range of "less calm" seas.

Last week we turned back (at the children's request) on a couple of journeys because they were uncomfortable with the boat handling in a moderate sea state - to be fair I'm much happier doing that than being unsafe or frightening them. I have to say that the Zodiac has been fantastic for estuary journeys and shorter (a few miles) hops out in a calm sea for sightseeing/ waterskiing etc.
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Old 04 August 2008, 11:02   #33
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Country: UK - England
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The best thing for you to do is to actually try them out, the reason why i opted for the Surfcat was because of its overall weight/power/stability/economy/extreme handling(pulls about 2g's in the turns)/comfort. I usually launch mine off a pebbly beach with a launch trolley-which can be done single handedly but is hard work, and use the club winch to pull it back up. When its not used in the winter,i can partially deflate it, and prop it up inside my garage and still have room for the car to go in.
If i didnt get the surfcat , then i probably would have got a thundercat, and failing that, i would have got a 4Tec engined Seadoo sportster over a rib.
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Old 04 August 2008, 15:53   #34
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I am looking the replace my bombard aerotec.Does the surf cat pack down and go in a bag like the aerotec or is it alot bigger.
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Old 04 August 2008, 17:19   #35
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Originally Posted by anthony View Post
I am looking the replace my bombard aerotec.Does the surf cat pack down and go in a bag like the aerotec or is it alot bigger.
The Aerotec will pretty much fit into the Surfcat!!!
I used to have an aerotec 380, which used to fit on the back seat of of my saloon car- you will definately not be able to do this with a surfcat, having said that, when i picked the boat up, we deflated it, removed the 3 floor pannels and rolled it up fairly loosely and just about got it in the back of my mates Citroen Ballingo car/van with the rear seats down in about 10 mins.I think that if it was rolled up tightly, it would probably fit into a Vectra sized hatchback with the rear seats down, but there wouldnt be much room, if any, to fit an engine in though.
Another thing to remember is that although it only weighs 25 odd kilos more than an aerotec, its a lot more bulky package-the transom alone(including where it partially wraps around the sponsons) is the width of the aerotec fully inflated.
Its not really designed to be taken apart regulary-best left on a bunker trailer.
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Old 13 September 2008, 16:09   #36
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Hi - any idea how much the surfcat made out of hypalon will weigh? Also how much strength or life span do you think it would add changing material.

I was looking at the surfcat in the original material and running at 30hp on the back? Thats if I ever find a second hand one!

Mike



Quote:
Originally Posted by Ed the Duck View Post
This is my Gemini 420 Surf/GRX at about 20-25kts on a flat day, no payload. Note how the base of the cat hulls are reinforced with a rubber triangular profile. The shape helps slice through chop.

As you can tell by my previous posts, I love this boat. Having helmed various SIBs and RIBs from 12-36ft, I haven't found anything that leaves me with the same smile at the end of a day on the water. No other boat I have come across combines the same single-handed practicality, speed, seaworthiness and payload capacity.

I bought this boat in 2003, primarily so that I could self launch from a surf beach, cross an exposed bay (11NM) and return safely at the end of the day. Bar a few capsizes (my fault, whilst playing in large surf with high onshore winds), it has proved to be a superb boat, capable of a significant amount of abuse.

It's now seeing use as a family day boat, a weekend expedition boat and a tow/safety boat for big wave surfers.

I will probably add to it with a Caesar Surfcat early next year (providing Caesar finally get back to me regarding whether they can produce the boat in hypalon). Expeditions around a few more of the UK's exposed coasts beckon in 2009!

Ed
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Old 18 September 2008, 11:08   #37
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Saturn version of the Cat SIB ...
http://www.boatstogo.com/inflatable_boat_pb430.asp

Why they are trying to limit it to the 15hp?
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Old 22 September 2008, 14:41   #38
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Originally Posted by dim. View Post
Saturn version of the Cat SIB ...
http://www.boatstogo.com/inflatable_boat_pb430.asp

Why they are trying to limit it to the 15hp?
Could be several factors-transom not strong enough,too light,flex's too much,instability.......................

Strange but different design.

With a bow like that I bet it'd stop dead if you hit surf with it!! Probably best suited to rivers/lakes.
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Old 22 September 2008, 15:49   #39
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I noticed when looking at details of my rib that loadstar also do a number of cat hull versions with air floor or alloy etc .Looks similar to the futura with a vhull as well as the hijackers
They also offer a hypalon sib

http://www.lodestarinflatables.com/trimax3d.htm
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Old 23 September 2008, 02:02   #40
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Originally Posted by ian parkes View Post
I noticed when looking at details of my rib that loadstar also do a number of cat hull versions with air floor or alloy etc .Looks similar to the futura with a vhull as well as the hijackers
They also offer a hypalon sib

http://www.lodestarinflatables.com/trimax3d.htm
Looks like they do a good range of boats-i remember you questioning about putting a 50 on the back of yours-just noticed that they rate yours as a max 40 4 stroke, must be a weight limit, so your 2 stroke shouldnt be a problem at all. Did you try the 1/2 choke on your last outing???
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