The Power 25 is designed to deliver clean and quiet power for 25-size glow engine for sport and scale airplanes weighing 3 to 5.5 pounds (1.4 to 2.5 kilograms), 15-size 3D airplanes up to 3.5 pounds (1.6 kilograms), or models requiring up to 600 watts of power. It's an especially good match for 4- to 5-pound scale airplanes on the market and models such as the Sig Kadet LT-25, Sig Frazer, Lanier Extra 3.25, Global Tequila Sunrise 25 and Great Planes Taylorcraft 20.
Needed to Complete
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40–45A brushless ESC
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3S–4S Li-Po or 10- to 14-cell Ni-MH/Ni-Cd
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11x8 to 14x7 prop
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Type: Brushless outrunner
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Size: Replacement for 25-size glow engine
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Bearings or Bushings: One 5 x 14 x 5mm Bearing, and Two 5 x 11 x 4mm Bearings
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Wire Gauge: 14
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Recommended Prop Range: 11x8 to 14x7
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Voltage: 12–16.8
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RPM/Volt (Kv): 870
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Resistance (Ri): .03 ohms
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Idle Current (Io): 2.40A @ 10V
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Continuous Current: 32A
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Maximum Burst Current: 44A (30 sec)
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Cells: 3S-4S Li-Po or 10–14 Ni-MH/Ni-Cd
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Speed Control: 40–45A brushless
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Weight: 190 g (6.7 oz)
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Overall Diameter: 35mm (1.40 in)
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Shaft Diameter: 5mm (.20 in)
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Overall Length: 54mm (2.10 in)
Needed to Complete
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40–45A brushless ESC
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3S–4S Li-Po or 10- to 14-cell Ni-MH/Ni-Cd
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11x8 to 14x7 prop
Tech Notes
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Maximum operating temperature: 220 degrees Fahrenheit.
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Adequate cooling is required for all motor operation at maximum current levels.
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Maximum burst current duration is 15 seconds. Adequate time between maximum burst intervals is required.
Tech Files
How to Determine a Model's Power Requiremen