Pietenpol-List: age of 4130
Posted: Sun Feb 17, 2002 10:38 pm
Original Posted By: owner-pietenpol-list-server(at)matronics.com
The 4130 steel spec goes back to the mid 1920's. Many of the parts on theWaco Model 10 and its derivatives call for its use. Thsi in the age when theOX-5 was king. Elsewhere in the waco the 1025 carbon steel, still prettystrong in its own right, was used. 1025 is not "mild steel" by any stretchof the imagination.Chria bobka-----Original Message-----
The 4130 steel spec goes back to the mid 1920's. Many of the parts on theWaco Model 10 and its derivatives call for its use. Thsi in the age when theOX-5 was king. Elsewhere in the waco the 1025 carbon steel, still prettystrong in its own right, was used. 1025 is not "mild steel" by any stretchof the imagination.Chria bobka-----Original Message-----