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Halbach Inrunner

The motor shown here has an unusual shape and an unusual design - it is an inrunner with a halbach array rotor. Learn more about the Halbach array here: http://www.matchrockets.com/ether/halbach.html , http://en.wikipedia.org/wiki/Halbach_array.


Here is a litte Excel spreadsheet to find the proper geometrie: HalbachArraySize.xls

First photos and results of the test runs.

Results (N42)
Propeller Turns/Wire Cells /
Current RPM
12x6 CAM Prop 10.5 2x065mm 8x1200 Sanyo 2/3SC 26.6 A 7480 U/min
11x5.5 APC 10.5 1x0.95mm 8x1200 Sanyo 2/3SC 30A 8000 U/min
12x6 CAM Prop 10.5 1x0.95mm 8x1200 Sanyo 2/3SC 30A 7700 U/min
12x6 CAM Prop 10.5 1x0.95mm 7x2400 Sanyo 28A 7500 U/min
LResults (N50)
Propeller Turns/Wire Cells /
Current RPM
12x6 CAM Prop 10.5 1x0.95mm 8x1200 Sanyo 2/3SC 28A 7600 RPM
12x6 CAM Prop  11.5 1x0.95mm
 8x2400 Sanyo 8.3 V at full power
 26.1 A
 7450 RPM

The motor stayed cold, the controller (TMM 40A) became a litte bit warm, the battery was rather warm at the end of the test run.

 This motor would fit perfectly into "big nosed" planes like the SebArt Sukhoi 29 S50E or a WWII Warbird.

 


More details:

Testlauf als Quicktime Film.

 

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© 2014 Lucky Luke Records Inc. | Imprint | Disclaimer | 3 October 2010
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