Quote Originally Posted by Bill Berson View Post
Yeah.
I built a motorglider powered by two Tecumseh engines. The FAA inspector told me he could not issue an airworthiness certificate without an oil pressure guage. The engines didn't have an oil pump.
Cant argue with the authority.
lol, so you install a gauge and it would have to be appropriately marked with the operating range; a green radial arc on the dial at zero pressure!!