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CR23S Contra Rotating BL System 1700kv

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CR23S Contra Rotating BL System 1700kv


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CR23S Contra Rotating BL System1700kv

Dimension: 23mm x 49mm (23mm x 84mm with props fitted)
Weight: 64g (Complete with props)
Diameter of shaft: 3.0mm
Length of front shaft: 7mm
Max Amps: 22A
Test data;
Prop: 8x4 As fitted
@ 10V
Amps: 17.4
RPM: 9300
Thrust: 580g

@ 11.1v
Amps: 19
RPM: 9600
Thrust: 672g

@ 12.6v
Amps: 21
RPM: 10500
Thrust: 744g

*Includes props, as shown in the image, requires 2 x 25A Brushless ESC for operation (Not Included)

  • Kv(rpm/v) 1700.00
  • Max Current (Motor) (A) 21.00
  • Resistance (mh) 0.00
  • Max Voltage (V) 13.00
  • Power (W) 264.00
  • Shaft A(mm) 3.00
  • Length B (mm) 49.00
  • Can Diameter C(mm) 23.00
  • Can Length D(mm) 8.00
  • Total Length E(mm) 84.00

Dimension Diagram Guide

  • attributeset-10


  • KK2 SingleCopter 2m 2s Maiden
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whipper Snapper | Verified Buyer

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Customer Rated

Mar 29, 2013

It was a bit of a gamble with this purchase as I had no idea how to mount this Motor due to its long length and mounting holes in-between the two motors...but I decided give it a try to have something different from jets, twins, flying boats etc. In end I installed it on my DZ500 using few 5mm spacers and long screws, it just installed in a flash actually and the power is immense I was glad I gave it a shot despite the low score reviews on the similar larger and smaller BL systems here but this was just right size for the DZ500 with 2 25amp esc, changed the props to 7*5 3 blades the escs hold up nicely and power is smooth

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