Re: Crank types (was "engine weight")

["Steve Schaeffer" <borrani@domain.elided>]

I weighed my knife-edged single throw 1600 crankshaft, and a 1750 crank when
I was rebuilding my motor over the wniter.  I seem to remember my 1600 crank
was around 18 lbs, and the 1750 33lbs.  Don't have my notes handy.  There
was unquestionably a huge difference in weight.

Steve S.


> Les--
>
> Per my earlier comments, I think you will find that there is _NO_ weight
> penalty associated with using an eight weight crank. Only the benefits
> described.
>
> There are certainly weight--and polar moment--benefits to be realized from
> a combination of core drilling the crankpins and undercutting and
> knife-edging the counterweights, if one wishes to spend the time. Take a
> peek at the cranks which outfits like Scat and Crower offer for small
block
> Chevy "sprint car" engines to get an idea of what kind of detail machine
> work I am talking about here.
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