Airplane Fuels and their Effects on Engine Performance Book, NAVAER, USAF 1951 Carvair There is a small dent

There is a small dent underneath the case

and then from 80+ knots on the center inner scale window which is revealed as the speed increases

See the photo of the Sherman Tank with the driver's and assistant driver's hatches open

b)  firing of the selected rocket pair (i

Airplane Fuels and their Effects on Engine Performance Book, NAVAER, USAF 1951 Carvair There is a small dentThis instructional reference was published in 1951 by the Ethyl Corporation under joint contract by the US Navy's Department of Aeronautics and the US Air Force. The manual reviews aircraft engine performance and the effects of different fuels and fuel characteristics. It is an exceptional reference as a primer and as a reference for those with a cursory knowledge of aviation fuels of that era. At 145 pages, it is filled with tables, charts, and