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Turnigy Aerostar 4340-720kv Brushless Outrunner (900w)

Turnigy Aerostar 4340-720kv Brushless Outrunner (900w)

Discontinued Product

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SKU:
9392000018
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The Turnigy Aerostar outrunners are designed with one thing in mind - maximising performance! They feature high-end 45SH magnets, high quality NMB bearings, custom motor mount and all motors are precision balanced for smooth running.

The 4340-720 includes a bolt on prop adapter, fitted 3.5mm male connectors and has a built in aluminium mount for quick and easy installation onto your airframe, also supplied is a bolt on X mount for mounting to aircraft front formers etc. These motors are supplied inside a nice foam lined Aerostar metal box.

Specs:
Voltage: 4s (14.4v)
Max Current: 61A
No Load Current: 2.3A @ 7.4v
Max Effiency: 36A
Max Watts: 900w
Resistance: 0.0055 Ohm
Diameter: 43mm
Length: 38mm (exc X mount and prop adapter)
Shaft Diameter: 3mm
Prop Adaptor Shaft Diameter: 6mm
Weight: 220g (inc X mount and prop adapter)

  • SKU 9392000018
  • Brand AeroStar
  • Shipping Weight 382.0000
  • Packaging Length 110.00
  • Packaging Width 60.00
  • Packaging Height 75.00
  • Kv(rpm/v) 720.00
  • Max Current (A) 61.00
  • Resistance (mh) 0.00
  • Max Voltage(V) 14.00
  • Power (W) 900.00
  • Shaft A(mm) 3.00
  • Length B (mm) 38.00
  • Diameter C(mm) 43.00
  • Can Length D(mm) 23.00
  • Total Length E(mm) 47.00
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I recently bought this motor because I need 800 Watts for my Great Planes RV-4 weighing 2.9 KGS and I want to fly it on 4 cells.
PROBLEM !
With a Turnigy light wood propeller 13x6 I only get 500 Watts. I use the HobbyKing 70A ESC 4A UBEC in combination with this motor.
SOLUTION !
I programmed the ESC as follows:
Angle of entrance = HIGH
PMW frequency of motor = 16K
Propeller = Turnigy light wood propeller 14x8
With full power I get 950 Watts and the motor pulls 68 Amps
Now I can't wait to get the RV-4 flying.
I will certainly buy the same motor for my Great Planes Ultimate Biplane.

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I recently bought this motor because I need 800 Watts for my Great Planes RV-4 weighing 2.9 KGS and I want to fly it on 4 cells.
PROBLEM !
With a Turnigy light wood propeller 13x6 I only get 500 Watts. I use the HobbyKing 70A ESC 4A UBEC in combination with this motor.
SOLUTION !
I programmed the ESC as follows:
Angle of entrance = HIGH
PMW frequency of motor = 16K
Propeller = Turnigy light wood propeller 14x8
With full power I get 950 Watts and the motor pulls 68 Amps
Now I can't wait to get the RV-4 flying.
I will certainly buy the same motor for my Great Planes Ultimate Biplane.

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