When you say frame should weigh 40-60lbs is that just the tubing or includes
all of the bracketry (suspension, steering, drivetrain, engine brackets)?
Also, we used 1.25x0.049 mild steel (A36) and finding local
deformation/crushing to be fairly common. With 4130, you guys have at least
twice the yield strength and thus your frame will withstand twice the force if
not more.
Thanks,
Andre S
> We use 1.25" 0.49 4130 on most of our cars now and
> they are lasting fine. We have one car thats is now
> on it's fouth year with basicly the same frame.
> However with hard rolls the frames don't kast as long.
> Frame should weight between 40-60 lbs.
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