B20 15 L kv3700 + 4:1

B20 15 L kv3700 + 4:1

B20 15 L kv3700 + 4:1 is a professional Hacker B20 item from Hacker Motor GmbH, prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.

Recommended use

This product is relevant for RC builders and pilots looking for hacker b20, replacement parts, upgrades or setup components. Use it when planning a new model build, maintaining an existing aircraft, boat or radio system, or comparing compatible electronic and power-system parts.

What to check before ordering

Confirm the physical dimensions, weight, voltage, current rating, connector style, shaft size, cell count, propeller range and installation space against your model. RC-MODEL can help verify compatibility when you provide the model name and part number.

Key details

• max. power range [W] (max.15 sec.): 220
• Poles: 2
• Turns: 15
• Idle current (I0) at 8.4V [A]: 0,83
• Internal resistance (Ri) [Ohm]: 0,057
• Gear reducing: 4:1
• Recommended timing [°]: 0 - 5
• Switching Frequency [kHz]: 8
• Controller recommendation [A] (depending on setup): 20
• Leerlaufdrehzahl pro Volt (kv) ohne Getriebe: 3700
• Weight [g]: 69
• Length [mm]/[in]: 55,9
• Outer diameter [mm]/[in]: 20
• Shaft diameter [mm]/[in]: 3

B20 15 L kv3700 + 4:1 Product description and features B20 15 L kv3700 + 4:1 was specially developed for glider models 800 to 1000g. The slim design and the gear reduction of 4:1 provide you with a very robust and durable motor. Many of our customers have been using our internal rotor motors for decades. With a weight of just 69g and a 3mm shaft, this internal rotor can be installed in many slim hulls. The geared motor is fastened with 2.5mm screws. Please note the maximum screw-in depth of 5 mm

Reference SKU/model: 10017600. Mention this reference when contacting RC-MODEL for availability or fitment support.