Good that's exactly my thinking. Many crashes have been caused by confusion or just BAD design (John Denver fuel selector). I know whats what in my plane but the next poor SAP should not have to figure it out in an emergency. By the way I will use that switch to prime and start the engine and then it gets turned off.
Craig > On August 20, 2016 at 1:30 PM Mark Langford via KRnet <krnet at > list.krnet.org> > wrote: > > > Craig Williams wrote: > > > My second switch is to bypass all that and provide a ground to run > > the pumps when priming and starting and if the oil pressure switch > > was to fail. How would you label thatswitch? > > "Emergency Pump". You need it to be as clear as possible when you or > the guy who flies it later needs it, and only has 2% of their wits about > them due to the prop stopping! > > You realize that you won't have any fuel pressure until the engine turns > over enough to trip the oil pressure switch, right? That's going to > prolong starting. Personally, I'd use a VW fuel pump relay, which has a > connection to the coil and powers the fuel pump during cranking and also
