spiacro
Heliman
Location: Athens, Greece
My Posts This: Topic Forum | Hi Guys,
i have a 30V2 rappy with the TT39 engine. The engine was perfectly tuned with coolpower 15% fuel and OS A3 plug, with head temperatures 85-95 celcius and default muffler until i removed it because after every 5-6 flights was untied continuously. I put on a Thuder Tiger 30 Deluxe muffler (PV0102) to resolve the previous problem, but i have a bigger one. I can't tune anymore the engine. With the needles set as before the engine is very rich at idle and getting lean at high rpm's. I tried to rich the main needle to 4-5 turns but nothing has changed. I tried to lean the idle needle and same thing happened. I changed glow plug, I inspected everything for air leaks with no luck to find something. Carburator was shine with no dust or dirt. The main tank clunk line is in very good condition (new one 5-10 flights before remove the stock muffler). I bypassed the header tank and i had same symptoms. Now i have also higher engine temperatures, 105-115 Celcius. Any suggestions?
Spiros
Raptor 30V2 TT39 Futaba 401 Futaba 9Z |
Thank's again jschenck for your advise.
