Thursday, July 30, 2026

Airplane engine parts




Cyril Donaldson and George LeCain, Tool Design, Second edition, McGraw Hill, 1957



 Interesting, the mix of fractional and decimal measurements.

2 comments:

Anonymous said...

It looks to me that the fractions apply to castings, and the decimals to machining carried out thereafter. Main conrod for a 7-cylinder radial? D.

Mister G said...

Yes, I was hoping the company that supplied the drawings would have ben mentioned somewhere in the acknowledgments or index. no such luck.