The perfect motor for low cost sport/performance electric flight on 6 NiCd or NiMH cells. Voltage range: 3.6-9.6V, ideal for 7.2V; RPM unloaded: 17,000; efficiency: 78%; weight: 72g; motor diameter: 27.7mm; shaft diameter: 2.3mm; shaft length: 12mm.

GWS EDP20A motor and prop set. Includes CN12-B2C2 motor with lead and JST connector plus 2 off 2.5X8 props. Voltage: 6-7.2v, Thrust: 17g-22g, Amps: 0.52-0.69.

GWS 50XC motor and prop set. Includes CN12-RXC motor with lead and JST connector plus 2 off 3X20 props. Voltage: 6-7.2V, Thrust: 50g-61g, Amps: 1.36-1.76. The Fox XL 12mm motor mount/heatsink is an excellent way of mounting this motor to a firewall.

GWS CN12-B2C motor. Specifications: voltage - 6-7.2V, RPM (no load) - 23700, shaft size - 1mm, weight - 5.6g. Suitable for use in the GWS LPS gearbox.

GWS LPS (Light Power System) dual ball bearing gearbox with B2C motor and spinner. Available with 3 different ratios: A 4.0:1, B 5.0:1 and C 6.2:1.

See here for comprehensive performance data. The LPS gearbox is also available separately.

GWS IPS (Indoor Power System) with carbon brush motor, 3mm threaded shaft and spinner. Available in ratios A 5.6:1, B 7:1, C 8.6:1, D 9.66:1, E 10.7:1, S1 4.14:1 and S2 3.5:1.

See here for comprehensive performance data. These small motors pack a surprising punch.

The workhorse standard for parkfliers: GWS EPS-350C with carbon brush botor, gearbox, and spinner. This is a 60-70 watt power system suitable for models up to 16oz flying weight. Available with ratios C 5.33:1 and D 6.6:1.

For the longest life you'll want to prop (e.g. 9x7 SF) this system for 7-8A of draw and utilize a heat sink. Exceeding this recommendation will drastically reduce motor life.