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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Align 91h Fuel for break in
03-31-2010 04:18 PM  10 years ago
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video232

rrNovice

St Joseph Mo

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Align 91h Fuel for break in
What fuel should I use to break in my align 91h? and what should be used after break in?
cp pro/dragonus ii pro/tt rap 30v2/qww quickie50/trex700n
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03-31-2010 05:04 PM  10 years ago
outhouse

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auburn ca

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I used some cheap %20 to break my 91 in and now fly with my favorite %30
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03-31-2010 05:18 PM  10 years ago
Rcarnes

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mustang, ok. USA

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I always use the same fuel for break in that i use for normal flight.
That way, no after break in tunning issues.
R. C.
I dream of the day when a chicken can cross the road without his motives being questioned.
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04-01-2010 02:20 AM  10 years ago
Santiago P

rrProfessor

Dayton

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Use the same fuel you will fly. IF YOU REALLY WANT TO you could add 2oz of de-gummed castor oil to a gallon for the break in.

Santiago
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04-01-2010 04:18 AM  10 years ago
outhouse

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auburn ca

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ya no need for caps lol i only had a little %20 waiting for a fresh case of %30 to show up.

I yune often as weather is changing allot so its no biggie to re set for new fuel
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04-01-2010 04:37 AM  10 years ago
jschenck

rrProfessor

La Vista, NE.

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Just run the needles rich and the engine cool. Work the needles in slowly after the first gallon. I started off with 30% but I don't know if it'd make much difference. 30% does idle better even super rich so that allows me to run it cooler. Took quite a bit of turning the needles in before I got any heat at all on the engine.
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04-02-2010 01:46 PM  10 years ago
Busher

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Manchester, England

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Same fuel you would use to run the heli normally, but run it rich as per the run in instructions with the engineGood luck
Busher
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04-03-2010 03:43 AM  10 years ago
airdodger

rrElite Veteran

Johnston USA

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Does not help the engine to keep it more than a couple of clicks rich from the start. It takes the gas pressure from hot combustion gases to push the ring hard against the cylinder wall. The ring seating happens very fast. Don't forget the piston is going around 280 cycles a second, 16,800 a minute, one million eight thousand an hour, how many cycles do you think it takes to break in.Chris
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Align 91h Fuel for break in
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