4stroker
Senior Member
Posts: 102
Loc: Greensboro, NC USA
Reg: 07-25-01
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 02-03-02 11:42 PM - Post#1209
Started my X-Cell today for the first time and it is not running to good. It won`t go much above 1/4 stick before it dies. Seems like it`s running out of fuel, smoke starts to get less and less then it poops out. I set the needle and low end like it said but still no luck. Also how much should the heli wobble on spool up? I know that it will wooble some but mine seems to have a pretty bad wooble. Blade tracking maybe?Thanks, Michael
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DavidH
Senior Member
Posts: 1555
Loc: Birmingham,AL .
Reg: 05-31-01
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 02-04-02 12:17 AM - Post#1210
In response to 4stroker
How old is this engine. This sounds like the same sympton was when the cylinder use to come unscrewed in the crankcase. Has this engine ever had the mod to keep that from happening ?David
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4stroker
Senior Member
Posts: 102
Loc: Greensboro, NC USA
Reg: 07-25-01
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02-04-02 12:26 AM - Post#1211
In response to DavidH
The engine is three years old but this is the first time that it has ever been started. As far as the mod goes...don`t know!Michael
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DavidH
Senior Member
Posts: 1555
Loc: Birmingham,AL .
Reg: 05-31-01
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02-04-02 01:36 AM - Post#1212
In response to 4stroker
Being that old my guess is the cylinder is unscrewed. Sounds like it needs a trip to Nevada to get it running correctly. But I don't know if they are still doing that mod since the engines come with already done and have for about 3 years now.David
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4stroker
Senior Member
Posts: 102
Loc: Greensboro, NC USA
Reg: 07-25-01
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02-04-02 02:03 AM - Post#1213
In response to DavidH
I find it hard to believe that this being the only time that this engine has ever been run that it would be the cylinder. The heli was built three years ago and today was the first time the the engine has been cranked. I`t must be something simple that i`m over looking to as why it`s not running good.Michael
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DavidH
Senior Member
Posts: 1555
Loc: Birmingham,AL .
Reg: 05-31-01
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02-04-02 01:53 PM - Post#1214
In response to 4stroker
Before YS knew this was a problem and made the modification to keep it from happening I have seen brand new engines have this happen.
Unless your not pressurzing the tank properly the symptons your describing are of the cylinder being twisted and unscrewed in the crankcase.David
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GM
Senior Member
Posts: 391
Loc: Tallahassee, Fl, US
Reg: 01-30-01
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02-04-02 04:55 PM - Post#1215
In response to DavidH
Michael, I also have seen brand new YS91ACHs (the first batchs) come unscrewed in the first 5 minutes of running. I would send it to Richard Verano at Performance Specialties (YS USA) and have it inspected.
Gordie
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sharam
Senior Member
Posts: 299
Loc: Northern California, USA
Reg: 05-10-01
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02-04-02 07:43 PM - Post#1216
In response to GM
I own a YS 91 ACH. The same thing happened to me within the first ten minutes I started the engine. I sent it in (3-4 years ago) to YS and they fixed it for free.I would do one check and make sure your fuel tank is pressurized properly when you start it and if that is not problem, I would send it in to YS.
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lowandslow
Member
Posts: 28
Reg: 04-17-01
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02-05-02 05:39 AM - Post#1217
In response to sharam
Before you send it in, try some new fuel. I was having the same exact problem with my 61WC. Dumped in some fresh juice from a new bottle and it ran like a champ.
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4stroker
Senior Member
Posts: 102
Loc: Greensboro, NC USA
Reg: 07-25-01
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02-06-02 02:49 AM - Post#1218
In response to lowandslow
Well tried to run the engine today...not good. So I decided to take the engine out and shipp it to YS Performance. We will see when it gets back to try and get it running again...Thanks for all the help Michael
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