Pilots demanding more speed and power from their motors should look at E-flite's Power 25 BL Outrunner Motor, 1250Kv. Delivering more power than the 870Kv Power 25 (and at higher RPM's), it was designed specifically for the NMPRA's EF1 electric pylon racing class.

The 1250Kv Power 25 BL motor was created for for high-power airplanes weighing 3- to 5.5-pounds (1.4- to 2.5-kilograms) or 15-sized high-speed electric Formula One racers weighing up to 4 pounds (1.8 kilograms).

Key Features
Ideal for airplanes requiring up to 850 watts of input power
Equivalent to a 25-size glow engine for high-power airplanes weighing 3- to 5.5-pounds (1.4- to 2.5-kilograms) or 15-sized high-speed electric Formula One racers weighing up to 4 pounds (1.8 kilograms)
Includes mount, prop adapter and mounting hardware
External rotor design; the shaft can easily be reversed for alternative motor installations
High-torque, direct-drive alternative to inrunner brushless motors
Quiet, lightweight operation
High-quality construction with ball bearings and hardened 5mm steel shaft

Specs
Application: Airplane
Bearings or Bushings: One 5 x 14 x 5mm Bearing and Two 5 x 11 x 4mm Bearings
Cells: 3S - 4S Li-Po 10 - 14 Ni-MH/Ni-Cd
Continuous Current: 51A +
Idle Current (Io): 2.00A
Maximum Burst Current: 58A (15 sec)
Overall Diameter: 35mm (1.40 in)
Overall Length: Case: 54mm (2.10 in)
RPM/Volt (Kv): 1250
Recommended Prop Range: 8x6E to 8x8E (4S) or 8x8E to 10x10E (3S)
Resistance (Ri): .02 ohm
Shaft Diameter: 5mm (.20 in)
Speed Control: 60A Pro Brushless
Voltage: 11.1 - 16.8
Weight: 183g (6.40 oz)
Wire Gauge: 14 AWG

EFLM4025B

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Items that are paid for on the same order do qualify for combined shipping. Shipping rates are based on the total weight and size of the package, and you can choose from any of the shipping options available. Orders over $99 will have the option for free promotional shipping. Some restrictions apply to the free shipping promotion. Orders that are shipped to PO Boxes, APO and military address, and outside of the Continental US will be switched to Parcel Post if FedEx is selected. Mark Twain Hobby reserves the right to modify or change the shipping method selected for an order. Missouri residents must pay sales tax on all items.
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Not sure how to purchase items together to save on shipping? Go to our Multiple Item Orders page for step by step instructions.
Items paid for seperately do not qualify for the combined shipping cost and will not be refunded.

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Priority Mail: 6 to 10 Business Days
Express Mail: 4 to 8 Business Days

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NOTE: International First Class Mail is an economic way to ship all over the world, but is not very timely. The average delivery time for International First Class Mail is 2 to 4 weeks depending on how the package moves through customs and the postal system, but can take up to 45 days to arrive. If you need it faster, please choose International Express Mail or Priority Mail that has a average delivery time of 6 to 10 business days.

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