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HelicopterEngines Plugs Mufflers Fuel › OS50 Hyper and GV1
11-20-2006 02:53 PM  11 years agoPost 1
Helijockey

rrKey Veteran

150 miles from somewhere

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I have an OS50 Hyper and GV1 in my raptor with 378 flights! So far all seemed ok and I just had to change the sensor of the GV1. But since the last couple of days the engine seems down on power. There is more smoke than usual, although the engine is not rich. I even closed the needle to just a click or so short of one turn and closed the mixture a bit, still no luck The back plate is slightly warm as usual and the engine starts and idles just fine. I'm running 1850 and 2000 in IU1 and IU2. Another strange thing is, as soon as I switch on the GV1 the rpm instead of increasing decreases I checked the sensor and it's fine, the muffler is a hatori 546 and I've been using the same type of muffler on both my raptors with great results!I'd appreciate if u guys can help out. Thanks!

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11-20-2006 03:47 PM  11 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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Did you go over your governor settings and make sure everything is correct, especially the gear ratio?

Andy
AMA 77227
http://www.jaxrc.com

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11-21-2006 05:58 AM  11 years agoPost 3
Helijockey

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150 miles from somewhere

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Yes I already checked that, it's ok. Do u think it's a problem with the engine?

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11-21-2006 02:50 PM  11 years agoPost 4
Gary Jenkins

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Nowhere, US

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Sounds like the engine rear bearing is good away.

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11-21-2006 07:10 PM  11 years agoPost 5
Helijockey

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150 miles from somewhere

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Just received the ceramic bearings with steel races that I'd ordered! Talk about perfect timing

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11-21-2006 07:22 PM  11 years agoPost 6
nivlek

rrProfessor

Norfolk England

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Have you tried the obvious , ie a new plug ?

At the end of the day , it gets dark .

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11-23-2006 01:46 PM  11 years agoPost 7
Helijockey

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150 miles from somewhere

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Yes, tried two new plugs just to be sure.

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HelicopterEngines Plugs Mufflers Fuel › OS50 Hyper and GV1
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