.46 os dies, please help!!!  
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All Forums >> RC Helicopters >> RC Helicopter General Discussions >> .46 os dies, please help!!!
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.46 os dies, please help!!! - 7/3/2009 1:27 AM   
jjoos99


 

Posts: 203
Score: 100
Joined: 12/11/2001
Last Login: 11/4/2009
From: Yellow Springs, OH, USA
Status: offline 		I have a .46 os engine that I am ready to throw in the trash. No matter what I do this thing will cut in and out, stumble choke and eventually die at half throttle or so. I have tinkered with the low needle and the upper needle with no change. I have fought this thing for 2 seasons now and havent been able to fly. I reringed it last year, I pulled the carb and took it apart and sprayed it down good with cleaner and blew out with air. All to no avail. I bought this motor used and flew it for 2 seasons without a problem. The 3rd season I had it die on me in midair and crashed and havent been able to get this thing right since. I have thrown my arms up on this one. Any help would be greatly appreciated.
Thanks
Jeff

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RE: .46 os dies, please help!!! - 7/3/2009 2:06 AM   
rotordoc1


 

Posts: 61
Score: 100
Joined: 4/22/2009
Last Login: 11/8/2009
From: Spuzum, ON, CANADA
Status: offline 		That is the symptoms of a bad rear bearing - have you ever changed it?

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RE: .46 os dies, please help!!! - 7/4/2009 10:20 PM   
richardshakan


 

Posts: 22
Score: 100
Joined: 6/27/2006
Last Login: 10/16/2009
From: Powell, OH, USA
Status: offline 		Have you checked the fuel lines and fittings. Replace fuel lines every year or two, including the clunk line.

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RE: .46 os dies, please help!!! - 7/5/2009 2:21 PM   
richardshakan


 

Posts: 22
Score: 100
Joined: 6/27/2006
Last Login: 10/16/2009
From: Powell, OH, USA
Status: offline 		Also, did you replace the back cover and carb seals while you were at it? Have you tried different glow plugs? Someone in a diff forum had simular issues and they tried a #7 plug + it solved his problems. Just a thought.

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