VAPOR LOCK
in General Tech Discussion
9 years ago
I experienced engine roughness on climb-out (this will absolutely get your attention!) with a drop iin Fuel flow pressure in the 2 range. (2014 SportCruiser 912ULS). Been uising 100% 93 mogas with ethanol. Now been told to use a blend of 30% 100LL with the mogas. Also learned, from another source, that there is a winter and a summer blend of mogas which may affect the boiling point.
This was the second flight of the day. Surface temp was 32 cent at 50 AGL. Fuel pressure came back up to normal range after leaving 2500' to 1400' and 2-4 minutes.
Once on the ground, opened the gascolater. Small stream. Turned on Fuel pump and the stream may have decreaded in size but certainly did not increase.
Been told by several that there may be a design problem with the cowling not allowing sufficient cool air to pass by the engine.
Any advice?
This was the second flight of the day. Surface temp was 32 cent at 50 AGL. Fuel pressure came back up to normal range after leaving 2500' to 1400' and 2-4 minutes.
Once on the ground, opened the gascolater. Small stream. Turned on Fuel pump and the stream may have decreaded in size but certainly did not increase.
Been told by several that there may be a design problem with the cowling not allowing sufficient cool air to pass by the engine.
Any advice?
