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XPower F3426/7 Storm 142g 1250 RPM/V

Product Code: XPOWER-F3426-7
 (1 review)

Price: $92.92

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The F3426/7 Storm is apowerful high performance cased outrunner for larger and heavier gliders, up to 5 m span and 4 kg weight. The 34 mm diameter outer can does not rotate and the wires extend from the rear so it is perfect for installing in narrow glider noses, and the 5 mm motor shaft stands up to dorked landings.

Eliminating the gearbox simplifies the powertrain and reduces the risk of failure. It also results in requiring a smaller (less efficient) propeller. In the past that was a disadvantage as powertrain efficiency was essential for good performance. However with the current state of technology excellent performance can be achieved even with small props, and they do offer several advantages, namely:
  • Less stuff hanging out in the wind and less glide drag, so overall better glide performance, especially at speed.
  • Usually a higher pitch speed is obtained, allowing very fast transitions to a low level thermal a long way away (if you are one of those god-pilots who know there the lift is).
  • Smaller propellers reduce the effects of torque, making the initial climb out easier.

XPower F3426/7 Windy Specifications
KV 1250 RPM/V
Max current 75A for 30s
Power 800W
Internal resistance 23.6 mOhm
Dimensions Ø34 x50 mm
Mounting 2 holes on 16 mm & 2 on 19 mm diameter
Shaft diameter 5.0 mm
Weight 142 g
Number of poles 12
Recommended number of cells 3 - 4 LiPo
Recommended props 10x7-12x6


Prop: XPower Carbon Folding Prop 11x8"
Controller: YGE 65LVT
Battery pack: Hot Lips VHD 1300 4S1P
RPM: 12850
Current drain: 56A
Static Thrust: 2.8kg

Prop: GM DD Carbon Folding Prop 11x8"
Controller: YGE 65LVT
Battery pack: Hot Lips VHD 850 4S1P
RPM: 11100
Current drain: 61A
Static Thrust: 2.5kg

Recommended controller: YGE 65LVT

Reviews 1  

 Review by:


Cracking motor performance is awesome. Long term who nows? It's nicely made but we will have to wait and see...

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