Glow plug failures

Anthony Romano anthonyr105 at hotmail.com
Wed Nov 12 09:29:11 AKST 2003



Have an Os 1.40 that has a pretty healthy appetite for glow plugs. First, 
was blowing the seal so I added a head shim and pulled out the pipe a 
little. Now the just seem to loose conductivity. Engine runs fine but go to 
restart for next flight and nobody home. Typically lifespan is about 30 
flights.
Using Type F, S&W 20% nitro 16%syn 2%castor fuel, Es pipe at 23" with Mac 2 
1/"4 header, Apc 16.5 *12W resulting in a peak setting around 8100 and a 
launch setting of 8000. Have another head shim on order and will try a 
little longer pipe if the weather ever improves. Any other suggestions?

TIA

Anthony

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