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HelicopterEngines Plugs Mufflers Fuel › Anybody using new OS 91 Spec PM?
12-18-2003 03:37 PM  13 years agoPost 1
franb

rrNovice

Barcelona

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I am thinking in buy new os 91 Spec PM .anybody using it?

It`s good engine?


Thanks

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12-19-2003 12:02 AM  13 years agoPost 2
Vinnie

rrApprentice

Miami Beach, Florida

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huh?

Is that the night flying version of the C-Spec PS?

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12-19-2003 01:08 AM  13 years agoPost 3
gordon

rrApprentice

Isle of Wight UK

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I have two one in mille and the other in Vigor they are the best out the box into the heli with out touching it started first time both of them and still running . Only problem I had was starting had to 24 volt them but good on feul one has had about 2 gallons the other has had 1/2 a gallon still have not moved the needles that is what you would call a good engine

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12-19-2003 09:10 AM  13 years agoPost 4
mrNoodles

rrProfessor

Borlänge, Sweden

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still have not moved the needles that is what you would call a good engine
How come you think its a good engine due to that???

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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12-19-2003 02:26 PM  13 years agoPost 5
gordon

rrApprentice

Isle of Wight UK

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well OK it is a down side haveing to use 24 volts to start them but they will run in some time I hope . But when they are running so much power and smooth all the way from tick over up they run cool what more do you want from a engine no setting up problems no pumps just bolt it in all I have is header tanks and they do not miss a beat.One more thing compaird to the old SXH 91 better on feul.

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12-19-2003 03:40 PM  13 years agoPost 6
mrNoodles

rrProfessor

Borlänge, Sweden

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gordon
You are talking about OS91 CSpec PS right?

/Fredrik
'Hm now I just have to find out where to connect the GV1 sensor to the Jazz80 ESC.

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12-19-2003 06:00 PM  13 years agoPost 7
gordon

rrApprentice

Isle of Wight UK

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No C spec with out the pump I hear there is a problem with the pumped ones but I don't know what .

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