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Old 04 April 2017, 06:41   #1
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thoughts on skeg height from the road

having got the new trailer as low as possible when my engine is down i have 165 mm clearance from the road in front of that my transom support is 155mm from the road given that my axle is 950 mm from the skeg do you think its risky to travel with the engine down bearing in mind i have just done 1200 miles and the transom support hasn't touched anything.
speed bumps are min 25mm and max 100mm gov recommend 65-75 mm height on a wide speed bump the skeg would be 65 mm clear without suspension sink but i never fly over them to cause 65mm of movement anyway.

the whole reason for me asking is that my engine wants to lay on one side which makes my cover very slack and i dont want it to start getting wind damage.

thoughts
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Old 04 April 2017, 07:23   #2
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165mm doesn't sound much clearance for something quite fragile and 65mm seems too lose for comfort for my liking but difficult to say without actually seeing it
I wouldn't rely on government guidance for the size of the speed bumps
Could you fit a wood chock between the engine and bracket to keep the engine slightly up to gain a bit more clearance without being all the way up?
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Old 04 April 2017, 07:32   #3
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Quote:
Originally Posted by beamishken View Post
165mm doesn't sound much clearance for something quite fragile and 65mm seems too lose for comfort for my liking but difficult to say without actually seeing it
I wouldn't rely on government guidance for the size of the speed bumps
Could you fit a wood chock between the engine and bracket to keep the engine slightly up to gain a bit more clearance without being all the way up?
i was thinking that since the transom support is stuck out quite a bit maybe fitting a bow snubber on it [bit more complicated than that] but that might bring me up to 300mm clear and fitting a skid shoe on the round tube bottom of the support leg.

i'll take a pic later.
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Old 04 April 2017, 08:28   #4
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I think common sense will eventually make your decision
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Old 04 April 2017, 15:50   #5
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Jeff I would rather run with engine up and tie the cover so it doesn't flap about, then secure something (maybe bit stick or garden cane) to the trailer that rides at the same height as engine and give it few trips on various road types and see if you keep road clearance and see how it all plans out
Stewart
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Old 05 April 2017, 06:44   #6
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I'd be more concerned reversing, particularly if you reverse the back of the boat over a high kerb or similar.

As said, the simple solution is to chock the engine up a few degrees and do away with the problem.

Phil
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Old 05 April 2017, 07:19   #7
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i think i might have it sorted on shallow drive with a block to support gives me 300mm clearance higher than the axle but i think i have another problem whilst sorting this i found my engine mounts are moving excessively getting it checked tomorrow unusual for 23 hours use 2015 engine
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