Colin I had a push primer in my VP and have one in my 172, I have failed to lock it and didn;t notice any problem. I also feel as if I have some control of the amount of fuel I push in. When you push 1/2 or 1/4 of a stroke surely that is less fuel. Why can't it be used while cranking the motor?
Steve Bray Jackson, Tennessee >From: "Colin Rainey" <brokerpilot9...@earthlink.net> >Reply-To: brokerpilot9...@earthlink.net, KRnet <kr...@mylist.net> >To: kr...@mylist.net >Subject: KR> primer >Date: Wed, 30 Nov 2005 10:16:03 -0500 > >The manual primer can also create a no start rich condition if the pilot >doesn't get the knob seated and locked, which happens more frequently than >A&P's would like to admit. All the certified planes I flew with carbs had >this type primer, and half were so hard to push in and out after a few >years, that it would be easy to not have it seated by a low hour pilot. >This then allows the fuel to be "sucked" in through this primer port as >well, causing a rich condition and engine stall. Also you can't use this >type while cranking, only before. I do not like it because you do not know >how much fuel you are injecting, and you get all at once, like gradually >like the solenoid. The electronic solenoid can hang open true, but if a >high quality one is used, it should be reliable for many years trouble >free. Cold start solenoids have been used on VW engines in cars for years, >and would be perfect for those wanting a single injector after the carb... > > >Colin Rainey >brokerpilot9...@earthlink.net >EarthLink Revolves Around You. >_______________________________________ >Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp >to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net >please see other KRnet info at http://www.krnet.org/info.html