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HeliProz . ZoomsHobbies . HeliHobby

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Main Discussion > Engine die out
 
 
martinhung
Senior Heliman
Location: Hong Kong

When I was hovering my 50's heli yesterday, the engine died out suddenly. Luckly the heli was not high enough to crash and I l landed off safely ( Maybe this is my first auto).

I don't know what is the problem with the heli. There was enough fuel and no bubble in the fuel. The engine died out when I was increasing my throttle stick, but it just died out very suddenly. I have no experience with this before. So what is the problem?

My engine plug is OS No.8 and it is about 2 months old. My engine is about 6 months old. Can it be the engine was too dirty and some residual damage the plug and cause it died?

Also, after how many gal do I need to clean up my engine? How many flight do I need to change my plug? I the plug died during flying, will the engine died out?

Thanks for any advise
02-18-2002 Over year old.
 
 
mariog7
Heliman
Location: New York

Has the weather changed recently? If so, (or even if not) sounds like a tuning issue to me, more than likely. Could have been too lean and overheated, resulting in engine flame out / stalling. What does the plug look like? Is there plenty of white smoke when at full throttle?
02-18-2002 Over year old.
 
 
martinhung
Senior Heliman
Location: Hong Kong

The engine is OS 50 and I run it in a very stable environment. I don't think there is any sudden change in environment and I have check it is no over heated. I also don't think it is too lean because I have run it for 2 flight before. I am running 15% Nitro with 18% Oil.

At this moment, I think will it be the plug problem? Some people tell me that maybe the plug died out when flying and so cause the engine to die. I don't know whether the engine is too dirty and the plug was died out?

I will change to a new OS 8 plug to see whether it will happen again.
02-18-2002 Over year old.
 
 
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Ron’s HeliProz South . Century Helicopter . MTA Hobbies

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Main Discussion > Engine die out
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