The Razor RZ-2500a is planetary geared 4.4:1 drive. This motor is designed for small 3D type aircraft, both indoor, and outdoor, or other aircraft operating on 7-10 cells at 7-20A. New stronger design used adapter. Note, that there are no replacement parts for the gearbox. 4 pole magnet rotor tested to 75,000 rpm with a Gold Jeti JES 30-3p. (Measured with a Jeti JES 30-3P Gold controller)

• Kv: 885rpm/v at the prop, 3900 rpm/v at motor
• Io: 0.9 A w/o gearbox
• Rm: 0.055 Ohm
• Weight: 60.0 g
• Length: 56.0 mm w/o shaft
• Diameter: 19.5 mm
• Output Shaft: 3.0 mm dia., 10.0 mm from faceplate
• Bolt Pattern: 2.0 mm mounting holes