. I put two hems on
the top edges (instead of flanges.)  --- Bill Dube

Hi Paul and Bill,
On the original beam; instead of removing metal at the center for
flywheel clearance,  could you not roll the flange over into a hem in
this area, (or even the whole length) to provide clearance and still
retain the buckling strength?  Thereby avoid all these messy weldments
with their attendant heat affected zones etc. Love this stuff, BR Dave
McC

4130 is not like mild steel. It must be bent with a generous
radius. It will be a long time before we make any more but
I am thinking about it.

Paul Lamar

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