His V8 engine is amazing. It was a single overhead cam V8 with each cam operating directly on 2 valves per cylinder. The valves are in-line, much like the famous WWI Hispano Suiza Type 31.
Was Walter Christie the first to produce the layout that would become one of the best Allied engines of WWI ?
If any aircraft historians can shed some light on this, please contact me - firstname.lastname@example.org.