wnorth(at)sdccd.edu
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 Posted: Mon Jul 02, 2007 8:04 am Post subject: nutplate |
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Hmmm,
A nutplate in shear should be just as strong as any other fastener in shear
as it is the bolt that is being sheared.
The difference between a nutplate and a nut in tension can't be much since
the weakest link is the thread roots themselves. So as long as the base
metal of what the nutplate is attached to is properly substantial I would
argue that were one to do pull tests on bolts with nutplates vs nuts they
would get fairly similar results.
They do make floating nutplates that are even more substantial then a
standard one though.
The .125" buildup for the area around the oil cooler mount is sage wisdom
and it should include some of the baffle hard points to the engine.
The spacers between the oil cooler flanges can be made out of aluminum vs
steel tube, but in either case use large area washers on the flange mounting
slots that aren't against the baffle. Grind a side flat if they stick into
the cooler airflow.
Also, don't forget to boelube those nutplates.
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