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post #1 of 4 Old 02-11-2008 Thread Starter
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Bilge keel Bolts

Can anyone tell me when tightening keel bolts are there specific torque settings to follow ???
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post #2 of 4 Old 02-11-2008
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The answer is yes, but it might be helpful to give more information about your boat. There are different torque specifications for different size bolts, and from what I have seen, different manufacturers and even different models.

My boat has 3/4" bolts and the torque spec is 250 foot pounds but I have seen at least one other boat with same size bolts and the spec. is 90 foot pounds.

Last edited by TIKI TIME; 02-11-2008 at 03:15 PM.
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post #3 of 4 Old 02-11-2008
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Please read this thread CLICK HERE and then update your profile to include your boat make, model, length and also your home sailing waters. Adding a signature like the one below is even better because then no one has to go searching through your profile to get this, all to often, needed info..

There is a wealth of information and thousands of combined years of experience on this site but all to often we get questions like yours that we can't answer because important info like what boat you have is missing.


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post #4 of 4 Old 02-11-2008
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From George Gulden at Tartan Yachts and paper work from the file on
my Tartan.

1/2" 180 ft/lbs
3/4" 250 ft/lbs
1" 350 ft/lbs

C&C Yachts from service bulletins
1/2" 80 ft/lbs
3/4" 250 ft/lbs
1" 350 ft/lbs
1 1/4" 450 ft/lbs

Bill Shaw chef designer and CEO at Person Yachts and from a letter
and some owner's manuals.

5/8" 70 lb-ft/lbs
3/4" 125 ft/lbs
1" 280 ft/lbs

Study the history of naval architecture and move forward knowing what didnít work before.

Donít waste time making the same old mistakes but instead make new ones and to insure your place in history be sure the mistakes are big ones.

Never design a mast that is weaker then the boat
Never design a boat that is weaker then the mast

Never listen to someone describe why your project will not work unless they can show you the broken pieces of their own version.
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