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Old 01-07-2021, 08:11 PM
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Join Date: Oct 2002
Location: Sacramento CA
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You can start this engine without a propane solenoid, connect the propane can to the propane line via a 4mm one way Festo fitting, get it from one of the Canadian jet part suppliers or from Dreamworks or from any of the local jet guys, once the start up sequence starts, open the propane valve on the can a bit to get it to light ( listen for the "POP" ) if you don't hear the "POP" then you are using too much propane, then right after it "POPS" open the propane valve a bit more to preheat the chamber, once the ECU sees a hot enough chamber, the ECU will open the fuel solenoid, once the engine gets to the rpms where it switches from propane to Kero/ Diesel, close the propane valve and let the ECU continue the acceleration to running, it will take a few times before you can master how much propane to give it for it to start, this is how we used to do it, some guys are still starting their old engines that way, once the engine is running, it runs just like the brand new ones, the only difference between the old and the new engines is that the new ones are more compact, produce more thrust for the same size can between the two and spools up faster from zero to full rpms when they are on idel.

Enjoy, be safe, put a FOD screen on that engine get a strainer from the hardware store $5.

Last edited by CARS II; 01-07-2021 at 08:30 PM.