I am a frame builder AMA

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M_V in reply to @chiroshi

What's your vital dimension?

LASAero don't do 4130 that large, Aircraft Spruce do 2 1/4" or 2 1/2" but choice of wall thickness is pretty limited at that diameter.

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chiroshi in reply to @M_V

Ideally, the finished piece should have 62mm OD, 55.95mm ID at the ends. I can machine the outside to remove some weight in the middle of the tube.

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M_V in reply to @chiroshi

2.5" x 0.12" wall thickness from Aircraft Spruce is pretty damned close?

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