builder tips

A forum in which to discuss topics specific to the assembly of the RV 4.
Ronald Sutton
Class G
Posts: 29
Joined: Sun Feb 10, 2013 2:46 pm

builder tips

Postby Ronald Sutton » Thu Apr 11, 2013 7:28 pm

To normalize steel parts after welding. turn all the lights off in the shop and get the shop a little dark. slowly play an OXY/ACY neutral flame over the part. Look for the first sign of a dull red color This is the normalizing range of steel, 1000 to1100 degrees, 8) allow to cool at room temperature. 8)
I built a Witman tailwind 1972
i built a RV4 1991
I bought a RV4 2012

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