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Old 09 June 2014, 19:43   #11
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had them on a mercury 175 optimax and a ficht 150 never had any issue. but i m not a fan of those things and note sure that it s really usefull and performant ...and for sure not that beautifull
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Old 10 June 2014, 10:42   #12
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Originally Posted by paintman View Post
The Permatrims are built pretty solid, and have the advantage of being a one-piece unit, bolted in 8 places (as I recall) which all together, make for a platform that (by their description) is suitable for use as a step.

I wouldn't try that with the 2-piece fins (like the Doel-Fins.)

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Old 10 June 2014, 16:01   #13
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And work very well. I fitted one to my Mercury 135 V6 (on a 17' Dory) some years ago & haven't regretted it
Had a good look at what was available. Not enough room for tabs & I was dubious about the two piece items. Its a substantial piece of aluminium, simple to fit & nicely finished.
Imported it to UK from the manufacturer although I expect a decent metal works could make something up very similar locally.
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Old 10 June 2014, 16:03   #14
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Got 300 hours with doelfins on my boat. Use them as step up onto transom with no problems.
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Old 10 June 2014, 20:35   #15
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Imported it to UK from the manufacturer although I expect a decent metal works could make something up very similar locally.
I think they come out of Australia? I seem to recall that when I was looking (still intend on changing mine to a Permatrim, one of these days.)

You are right; should be easy to come up with a knock-off - there's not a whole lot of engineering involved.

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Old 11 June 2014, 03:11   #16
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Mine came from New Zealand. Looking at their websites they have dealers in Australia & a US importer in Wisconsin.
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Old 11 June 2014, 10:01   #17
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SIMYamaha was one of the early US resellers (through the US Permatrim office, I think.)

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Old 16 June 2014, 05:47   #18
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i ordered them from NZL.
will let you know how it went.
thanks for all the info
jan
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Old 17 June 2014, 10:05   #19
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had fins on most of my higher speed boats never had any ill efects or breakage
bigest engine i had them fitted to was a mariner 60 elpto and the boat handled so much better [salmon 16 - shetland 536 hull] fuel usage was less and steering alot lighter
all my ribs and sibs have had them on [apart from the present one] only because i use the engine for 2 different boats]
well worth fitting and as some have said can be used as emergency step if a mop ocures [altho i dont thing recommended]
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Old 17 June 2014, 10:46   #20
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[Not surprisingly] fins make power-trim much more effective...
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