---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Tue 08/22/06: 1 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 06:38 AM - Re: Hot Starting (PWilson) ________________________________ Message 1 _____________________________________ Time: 06:38:10 AM PST US From: PWilson Subject: Re: RotaxEngines-List: Hot Starting --> RotaxEngines-List message posted by: PWilson I did no know Rotax recommended a return line. However the electric pump is a good feature to allow both carbs to fill before engine fireing. This helps with the startup shake. For the hot start without the return line the hot liquid would still be present, but at least I would think it would start. Paul ====== At 10:16 PM 8/21/2006, you wrote: >--> RotaxEngines-List message posted by: Jack Kuehn > > >Do you have a fuel return? With a return and an auxilliary electric >fuel pump, you just run the electric pump for a minute or two before >attempting to start a hot engine, and the vapor lock gets pumped >back to the gas tank. I did not initially install a fuel return, >but did so by Tee- ing into the fuel linehalf way between the two >carbs and running a line back to the top of the fuel tank. I >restricted it very simply by inserting a grooved plug of threaded >stock into the line and clamping it with a hose clamp to the desired >flow rate, about half a US gallon per hour seems to work >fine. Rotax recommends a fuel return. >Jack, flying a Sky Ranger with 100 hours. 912UL > >George Wells@adelphia.net wrote: > >>When my 912S is hot like just after refueling, if I even touch the >>throttle a 1/4 inch the thing will flood and not start -- Then >>even if I let it sit for 3 hours like today, still no start ?? >>Help -- It's in a KF 5 >>Thanks, >>George >> >>* >> >> >>* > >