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Old Aug 26, 2008, 09:42 AM
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Commerce Township, MI
Joined Aug 2001
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Quote:
Originally Posted by guapoman2000
I can not find the Park Zone 480 Brushless outrunner motor specifications but, most motors come with very important motor constants such as Kv (RPMs per Volt), Internal Resistance (Ri), No load Current (Io) and max AMPs (Current), Watts (Power).

snip

Carlos
Motor Specifications for the 480 Brushless Outrunner Motor, 960Kv: T-28:
Outside diameter: 1.385 in./35.2mm
Outside length inc. protrusion past “bell”: 1.65 in./42mm
Outside length without protrusion: 1.385 in./35.2mm
Shaft length: 2.36 in./60mm
Shaft diameter: 0.1575/4mm ~5/32”

Motor and Prop Weights
480 Brushless Outrunner Motor, 960Kv: T-28 w/leads: 3.76 oz./106.7g
Prop Adapter: 0.18 oz./5.1g
Prop Nut: 0.31 oz./8.7g
parkzone T-28 "9.5 x 7.5" prop: 0.57 oz./16.2g
Total Motor and Prop weight: 4.82 oz./136.7g

Motor Testing – Motor 1:
Drill press test: all leads 1.317v AC @ 1560 RPM
Mathematically calculated Kv = 882

No Load:
0.96 amps @ 10.2v 9135 RPM
1.13 amps @ 12.3v 10980 RPM

(1800mAh Li-Po) PZ 9.5x7.5 - 11.012v, 17.816 amps, 7718 RPM, 196.2 watts in, pitch speed 54.8 mph
(2300mAh A123) PZ 9.5x7.5 - 9.606v, 14.160 amps, 6942 RPM, 136.1 watts in, 49.3 mph
(2300mAh A123) APC 12x10E - 9.066v, 22.300 amps, 5394 RPM, 202.3 watts in, 51.1 mph

Motor Testing – Motor 2:
Drill press test: AC volts – 1.307, 1.314, 1.318, average 1.313v AC @ 1560 RPM
Mathematically calculated Kv = 884

No Load:
0.90 amps @ 9.994v 9012 RPM
1.10 amps @ 12.128v 10872 RPM

(1800mAh Li-Po) PZ 9.5x7.5 – 11.068, 17.896 amps, 7764 RPM, 208.1 watts in, pitch speed 55.1 mph
(2300mAh A123) PZ 9.5x7.5 – 9.418v, 13.854 amps, 6816 RPM, 130.5 watts in, pitch speed 48.4 mph
(2300mAh A123) APC 12x8E – 9.264v, 21.516 amps, 5844 RPM, 199.5 watts in, pitch speed 44.3 mph
(2300mAh A123) APC 12x10E – 9.160v, 23.554 amps, 5424 RPM, 216 watts in, pitch speed 51.4 mph
(2300mAh A123) Master Airscrew 11x8 – 9.260v, 19.8 amps, 6090 RPM, 183 watts in, pitch speed 46.1 mph
Note: The MA 11x8 data was gathered on a different day.
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