[NSRCA-discussion] 120 AC issues Not the Piston

[RUDDERCABL at aol.com]

In a message dated 7/15/2008 3:15:33 PM Eastern Daylight Time,  
schale at optonline.net writes:

exchanged the piston and ring for a brand new one out of an unrun  
motor.  Basically no change.  So either both pistons are bad or  it is 
something else.
I pulled a motor that ran fine out of my Asteris  Omen.  Motor has little 
time after a Futaba warranty rebuild way back  when.   Most of the 
internal parts were new.  It ran fine  when I started flying again 3 
years ago.  Put it in the Dalotel and  ran it for 7 minutes no issues.


Stu
 
Aparently , it wasn't the pipe as I had suggested. Have you checked the  fuel 
line inside of the tank and the clunk ? 
 
I wish you hadn't fallen into the fuel trap. 30% heli fuel isn't the answer  
for all YS engines. Remember , the AC engines were around long before that 
fuel  and ran great without it. Any high quality 20 or 25 % all synthetic fuel 
should  run just fine.
 
Robert



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