337 Cross feed (2) engines at once!!!/CPA related comments

[skymaster]

once the fbo ran out of fuel. yes he filled one side. took off switched to full tank. got to alttude and worried about the placarded fuel valves and what could happen during this night 350 nm trip . approaching runway switched back to both. The engines never sputtered. GMAS is probably right about the flight envelop cavitation and engines minimum fuel requirement. J