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E-flite . Next D . Fast Lad Performance

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Engines Plugs Mufflers Fuel > YS 91 SR THROTTLE BARREL JAM
 
 
FRANKYBOY
Heliman
Location: LACHENAIE

Hi, need help here

My YS as only 45 flights, and since I have change the bearing I have problem with the throttle barrel, Here what is happening.

After changed bearing I was putting all the components back together and decide to put apart the throttle barrel for cleaning. Removing the retainer screw and the little plate, clean everything and put it back (only one screw), check if turns smoothly any direction. Back to the field start the engine do almost a complete tank but realize I have problem somewhere to keep throttle steady. check My throttle barrel jam anywhere from low to mid or high throttle and believe me it jam an off that the servo can not move anymore the throttle arm. It look it is the throttle barrel retainer that does it, I do not know if I am right, but it look like it is.

The only other thing I have change since all that is I move magnum 30% nitro to 20/20%, it run very well on my 50 hyper.

Any idea?
10-21-2008 09:30 PM
 
 
3D Heli Ireland
Veteran
Location: Ireland

The retaining tab that stops the barrel coming out is handed. If you look at it closely you will that on see one side of the tab the edges are slightly more rounded (probably as a result of it being punched out at the factory) and you will also the part that fits into the barrel groove is marginally narrower on one side also.

Remove the metal tab and place it in the other way round, it should allow the barrel to rotate more freely.

Also check the barrel sealing ring on the end isn't nipped or broken. I have nipped it in the past and it has jammed the barrel also.

Miniature Aircraft USA
Motors & Rotors
CSM
FlightPower
SAB
Cool Power
SwitchGlo
10-21-2008 09:46 PM
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Engines Plugs Mufflers Fuel > YS 91 SR THROTTLE BARREL JAM
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