hello,
some time ago,I had questions about the operation of the P&W 1340H engine. I contacted Covington Aircraft.They remanufacture this engine.A Mr.B. Abbot was very helpful.perhaps they can help you,too.details follow
Covington Aircraft
This data from web site...
Can someone help me with this question: I need technical information on the theory,design and performance of centrifugal superchargers for a study I'm doing. The engine i have in mind is a 1935 vintage 600 HP P&W 1340H radial,but I'll be happy to receive any s.c. info. I am looking at the...