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Old 03 March 2017, 04:43   #11
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you could end up being known as splinter plumbs
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Old 03 March 2017, 05:57   #12
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Originally Posted by Mike B View Post
I'm not sure anyone is disagreeing that it is strong enough for a person to sit on.

The question is, is it strong enough and fixed securely enough to take the lateral and torsional force, which could be far higher than the weight of a person, put on it from a high G turn, rapid deceleration (wave stuff) or vertical drop (wave slam).

I think the idea is great, but personally I wouldn't risk injury to anyone as don't think it would be long until someone ended up on the floor or worse over the side.


Also I don't know what you think I am going to be doing in a 3.4 m rib with a 15 hp on the back

May be, at a real push pottering around a harbour / inland water in flat calm at slow speed.
Yes it is strong enough and fixed strongly enough to cope with all of the things you mention in fact it is way stronger. It will be fine
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Old 03 March 2017, 05:59   #13
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Best thing you could do with that is use it as firewood .....
If you haven't got anything useful to say then perhaps you should keep quiet.

But to answer your question. If you looked at the pictures and were aware of what it was made out of you would understand that it will actually make very poor firewood. So you were wrong on both counts. Quite an achievement to be wrong twice but only write so few words
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Old 03 March 2017, 06:15   #14
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it will actually make very poor firewood

And a seat by the looks of it ....
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Old 03 March 2017, 06:18   #15
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Quote:
Originally Posted by Mike B View Post
I'm not sure anyone is disagreeing that it is strong enough for a person to sit on.

The question is, is it strong enough and fixed securely enough to take the lateral and torsional force, which could be far higher than the weight of a person, put on it from a high G turn, rapid deceleration (wave stuff) or vertical drop (wave slam).

I think the idea is great, but personally I wouldn't risk injury to anyone as don't think it would be long until someone ended up on the floor or worse over the side.

May be, at a real push pottering around a harbour / inland water in flat calm at slow speed.
Spot on
Someone's Back is far too precious to rely on a Heath Robinson contraption like that IMO...it's only got to fail once in the wrong place/time....and you'd never forgive yourself.
.....You did ask.
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Old 03 March 2017, 06:18   #16
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i think folk are only concerned you or a passenger could potentially get hurt sitting on what appears to be a very basic wooden construction. how are the corners of the uprights fastened they appear to have no bracing and they are going to have to take some serious sideways loading in a choppy sea with anything more than a couple of stone to support .unless of course your just deliberately winding us up for your own amusment
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Old 03 March 2017, 06:21   #17
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why not use it as a template and have it made from all stainless tubing fully welded
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Old 09 March 2017, 02:03   #18
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Many thanks for all your concerns but it is all complete now braced and incredibly strong, tested and working very well.

I post in many forums and am quite saddened by how unpleasant several people are on this particular forum.

It also amazes me how so many people seem to lack any ability to make something themselves or do their own servicing work but simply like to throw money at a situation in the hope it will be sorted for them.
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Old 09 March 2017, 02:06   #19
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i think folk are only concerned you or a passenger could potentially get hurt sitting on what appears to be a very basic wooden construction. how are the corners of the uprights fastened they appear to have no bracing and they are going to have to take some serious sideways loading in a choppy sea with anything more than a couple of stone to support .unless of course your just deliberately winding us up for your own amusment
In your post above it is the words 'What appears to be' that is your issue. I have told you all several times that the whole structure is incredibly strong, and now braced to make it even stronger. But you all think what you wish and enjoy your boating
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Old 09 March 2017, 02:25   #20
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And a seat by the looks of it ....
Incorrect again but then You will be getting used to that
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