B40-7L Comp + 6,7:1 Kv 3960

B40-7L Comp + 6,7:1 Kv 3960

B40-7L Comp + 6,7:1 Kv 3960 is a professional Hacker B40-Competition 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 b40-competition, 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.): 1200W (max. 10sec.)
• Poles: 2
• Turns: 7
• Idle current (I0) at 8.4V [A]: 4
• Internal resistance (Ri) [Ohm]: 0,009
• Gear reducing: 6,7:1
• Output shaft: 6mm
• Recommended timing [°]: 0° - 5°
• Switching Frequency [kHz]: 8
• Controller recommendation [A] (depending on setup): 75 - 100
• Leerlaufdrehzahl pro Volt (kv) ohne Getriebe: 3960
• Weight [g]: 237
• Length [mm]/[in]: 89,7
• Diameter [mm]/[in]: 29

B40-7L Comp + 6,7:1 Kv 3960 Produktbeschreibung und Features B40-7L Comp + 6.7:1 Kv 3960 gear drive is specially designed for F3J and F3B up to 3.0kg take-off weight. The integrated high-performance fan optimally cools the motors of the B40-Competition. The running noise is also minimised by asymmetrically arranged air outlet holes. The external housing design with milled cooling grooves offers perfect heat dissipation with minimum weight. The B40-Competition motors are equipped with segmented h

Reference SKU/model: 10090903. Mention this reference when contacting RC-MODEL for availability or fitment support.