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Ldm
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United States, PA, Conestoga
Joined Jun 2006
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Cell Mystery lipo 6 cells Turnegy Nanutech

Some help please. Been flying with Turnegy packs of all sizes and never really had issues.
For the first time this summer I have been useing the 6 cells Nanotech packs for my FMS 1700 Mustang and Starmax 1700 Fw190.
At first I thought I had TX problems, then receiver problems but now I narrowed my theory on the 6 cells and or the ECS /BEC.
First flight on the FMS was great , second flight ( separate new 6 cell ) it was like I lost throttle down to 25% or best guess . Ihad to make an emergency landing.
The battery cells were all fine , no realy strange weak cell ?
So went out nest night and flew my Fw190 , almost the same thing ( second pack ) throttle /motor go down .
Battery checks out fine again .
I have 4 -6 cell packs, the next time out I used two differant 6 cells ,same brand but not used in the first two outtings.
Plane was fine and performed well on both flights .
So --really confused because on the FMS P51 , everything is stock and the plane is not stressed by any excesssive upgrades etc .
The FW190 has a 80 amp ESC , 10 amp BEC , I have not flown it since the firt problem and wondering if I could have over heated the ESC Bec ?because the packs check out and appear to be ok ?
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