Am I missing something here?
in 912 / 914 Technical Questions
12 years ago
Ladies and Gentlemen of the board. Newbie here, and hate to do this, but must begin with a problem.
After 450 hours faultless operation of my 912ULS installed in a Pipistrel Sinus motoglider, the following: Heavy smell of fuel in the cockpit, especially at high power/high MAP settings. Discovered right carb air filter fuel soaked after each flight and dripping at 26 drips per min. from air intake bore. Stripped and cleaned carb and verified float needle valve and housing operated normally. Reassembled and flew. Result: No more leak, no more smell, but... fuel pressure now at or above red line, ie .4bar (5,8psi) at idle power, 5000rpm. With leak, pressure remained steady at nominal .3bar. Bizarre, or is there a connection here? Thanks in advance, Mike.
After 450 hours faultless operation of my 912ULS installed in a Pipistrel Sinus motoglider, the following: Heavy smell of fuel in the cockpit, especially at high power/high MAP settings. Discovered right carb air filter fuel soaked after each flight and dripping at 26 drips per min. from air intake bore. Stripped and cleaned carb and verified float needle valve and housing operated normally. Reassembled and flew. Result: No more leak, no more smell, but... fuel pressure now at or above red line, ie .4bar (5,8psi) at idle power, 5000rpm. With leak, pressure remained steady at nominal .3bar. Bizarre, or is there a connection here? Thanks in advance, Mike.
