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Old 20 May 2003, 13:07   #1
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RIB match for short shaft mariner 55 hp

I have recently fixed a none running W55 mariner outboard that was in the garage. It needed a new impeller and the carburettors "de-gumming" of 2 stroke oil sediment. It now needs bolting onto a RIB. Unfortunately it is a short shaft engine. Does anyone know of any makes of RIB that take short shaft engines and if not, can the transom be adapted to take one? Thanks for the help.
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Old 21 May 2003, 14:35   #2
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I reckon it'll be fine.....

if you check that the engine is clear enough of the water when it is mounted low, just cut a chunk out of the transom, give it a very severe roughing up and glass it over. A low mounted engine puts less load on the transom.

It might even be a benefit since wee Seariders like to put their bows under if you are not paying attention in a following sea.
In at the bow, out at the stern.

Might be a bit wet in reverse though.

JW.
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Old 22 May 2003, 03:45   #3
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Well thanks for the advice. What is the best way of cutting out the transom. (Not being a particularly competent DIY man)

Paul
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Old 22 May 2003, 08:07   #4
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Me, I'd use me chainsaw.

Fibreglass blunts normal saws very quickly. If you don't have an array of tools, use just what you have to hand. B&Q sell very cheap hard point panel saws. You could drill a series of holes and then cut between them (chain drilling). Finish off with a rasp.

Cut through the fibreglass with an angle grinder and then saw down through the cuts with a jigsaw.

There are lots of ways.

If you are likely to do much GRP work, a power file and an angle grinder would be good investments.

JW.
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Old 22 May 2003, 16:45   #5
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Well I have got an angle grinder and a drill. Just need a jigsaw and a cheap Avon searider that has no engine. Any offers?
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Old 22 May 2003, 18:19   #6
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Your profile says you've got one.......er.....

JW.
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Old 23 May 2003, 15:30   #7
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Yes, I have got one but would like another. My brother and I run a relatively new Avon 4 metre adventurer SR, however, we would be keen to have a back up boat to make our offshore trips a little less risky.
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