mm-motor.htm; updated: 01 January 2007
The Kenway KR-1 with 4.2:1 reduction has proven to be a good allround
performer with the system. This powerplant was developed for indoor freeflight
and holds the Mabuchi FFN20-PA motor (Ř 12 x 10 x
The Kenway KR-1 as supplied, specify one of the three props..
The KP Aeromodels (formerly Knight&Pridham) KP-00 (pronounced often
as k-poo or phonetically keipu) is a lighter motor and wound for lower
voltages, use 2 to 3 cells. The KP reduction gear is 2.75:1 and this gives good
power on 2 or 3 cells with the supplied adjustable propeller of
As the motor draws significantly more current than the KR-1 the use with the new GP NiMH cells is limited.
For R/C (and probably some FF as well) it would be more practical to use a higher gear ratio. I have very good results with between 4:1 and 7:1, then the motor drives a
The KP-00 motor with a home made
The motor is to be fitted with interference suppression of 3 x 47 nF.
The KP Aero Models KP-00 is not available through us but the data are included because it is an interesting motor. Contact KP Aero Models at phone +44-1705-412172 or fax +44-1705-412178.
Now some very fine Coreless motors are available at different suppliers.
The small brushless Mighty Midget motors from
You can find many interesting different suppliers in the links page.
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