And let me guess: You never have a hot start problem after sitting thru lunch or a refuel stop, right?
--- In [email protected], Ronald Hynes <pa17v...@...> wrote: > > I Have a Piper PA 17 Vagabond that has a short 90 degree aluminum angle tube > of approx 2 inch length each side that supplies cool air to the Mag and > oil screen area. This tube is rivited neatly to the vertical baffle that is > just behind the LH cylinder #2. I like it. Been there 30 years now. > Ron Hynes, Alberta , Canada > --- On Thu, 4/8/10, Donald <dongen...@...> wrote: > > > From: Donald <dongen...@...> > Subject: [ercoupe-tech] Re: Hard Starting Engine when hot > To: [email protected] > Received: Thursday, April 8, 2010, 5:19 PM > > >  > > > > > Some more description would help, does it fire at all when balking? Do you > use both mags or only one when trying? And as John asked, does it do black > smoke when it does start? Do you turn off the fuel valve when you make these > stops? > The first thing that came to my mind was the coils in the magnetos, shorting > out when heat soaked. Both of them you ask, well yes maybe the condition that > caused it worked on both coils. are the impulse couplings actually snapping > when you crank hot? You might try opening up the engine side panels while you > grab lunch, to see of cooling the mags helps or not. > > --- In ercoupe-tech@ yahoogroups. com, John Cooper <john@> wrote: > > > > On 4/8/2010 5:14 PM, bcflyer2003 wrote: > > > when I am on long cross-countries, shut down to refuel or eat lunch, it > > > refuses to start easily. > > Bill: > > > > There are really only 3 possible causes. > > 1) It's starved for fuel. > > 2) It's flooded > > 3) The mags are not working. > > > > 3 is unlikely since it (should) be starting on both mags and both would > > have to fail. Still, worth eliminating. You could try starting on one > > mag or the other and see if either makes a difference. > > > > That leaves 1 and 2. > > > > If your carb leaks while standing then 2 is likely the culprit and the > > cure is to crank with the throttle wide open until it pops then close > > the throttle and it should catch. > > > > If the carb doesn't leak then sitting hot could boil the fuel off or > > cause a vapor lock. Here I would crank while priming. > > > > If your primer works properly, you should *never* need 4 pumps unless > > your intent is to set the plane afire... > > > > Are you sure it works? If not that would compound number 1. > > > > Are you ever able to get it to start hot? If so, what does it do when > > it finally starts? Black smoke? > > > > > > > > -- > > John Cooper > > Skyport East > > www.skyportservices .net > > > > > > > > > > > > __________________________________________________________________ > Make your browsing faster, safer, and easier with the new Internet Explorer® > 8. Optimized for Yahoo! Get it Now for Free! at > http://downloads.yahoo.com/ca/internetexplorer/ >
