Re: [Paddlewise] Slamming

You were right, this mechanical engineer will call you on it.
Bending stiffness is proportional to thickness cubed (even more
sensitive to thickness than you thought).

Cheers,

Dave Carlson

wanewman_at_uswest.net wrote:
> 
<snip>
> thinner hull than the other materials.  I am sure some mechanical engineer will
> call me on the equation, but I recall that the stiffness of a sheet of material
> (its resistance to deflection or bending) varys by the square of the thickness of
> that sheet.  Even a slight increase in hull thickness pays big dividends in
> stiffness and resistance to denting or " oil canning ".  My father is the plastics
> expert who has designed everything from FRP car bodies to a proposed design for
> FRP tank treads, and could pass along all of the proper tech-talk and equations to
> anyone who really wants to immerse themselves in the technical aspects of FRP
> composites.
> 
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