Hi Duckster
1st off, that idle-up1 curve is wrong. You're using the governor so why limit it at 90%? The governor won't be able to open full throttle if it ever needs it. Reset idleup1 and idleup2 to 100-80-100 and just program different headspeeds in the governor lcd.
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| 1. on low needle is 1 turn did u find it lean 2. my muffler is outage 50 those this effect on tuning 3. Mixture arm do i need to rich a bit before i install 4. at the moment without this mixture i recorded it reach 115 at peak teamp, do i need to lean or rich abit before i put in the mixture to my needle i read 1 of ur post at runnig this engine at 1.5 open will fry the engine (weather in brunei all year round summer at 32-35 celcius. how about ur low needle setting coz at this moment most of my fren says that my 1 turn in low needle is lean | |
About the rest...
1. low needle is on mine just flush (slot is inline) with the carb. Not sure how many turns however that doesn't matter. Start the engine. Let it warm up for 30 seconds. Now pinch (or even unhook) the fuel line.
a) it dies imediately - lean
b) it starts reving up for like 3-8 seconds and dies - ok
c) it takes like 20 seconds to rev up and die - too rich.
What you want is b) and you shouldn't care if the screw is at 1 turn or 10 turn. What matters is what makes the engine happy.
2- Every pipe will slightly affect tuning. A hatori 521 might give other settings than a MP5 SB or an Outrage. Which one is the best... you need to do experiences or trust what other people say. I had very good results with the 522 and 521. Never tried a Outrage pipe.
3 and 4- no, just set middle point to be your present needle setting. Adjust your MGP mixture control to 115C or a little less (110-112).
Mine is at 116C and max temp in flight is 118C. This is with high quality 20% nitro (maybe equivalent to normal 25%. I would guess 110-115 is ideal for you. 115-120C is healthy for my standarts. More than that and engine life will start to be reduced.
Good Luck
Tony
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"Perfection and patience usually walk side by side..."
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