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Overlander BM400 V3 2845/09 2100KV - Brushless Inrunner RC Motor

Overlander BM400 V3 2845/09 2100KV - Brushless Inrunner RC Motor

Brand: Overlander

Part No: OL-1688

£18.99 RRP £19.99

In Stock: Usually ships same day

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The Overlander BM400 V3 2845/09 2100KV Brushless Inrunner RC Motor (OL-1688) delivers efficient 220 W performance in a compact 28 mm package. Part of the Thumper series, it features CNC‑machined construction, high‑temperature windings and quality neodymium magnets, finished in Overlander’s signature black coating to aid heat dissipation.

Key Features

  • KV rating: 2100KV (BM400 V3 2845/09)
  • Input: 2–4S LiPo or 6–12 cell NiMH
  • Recommended ESC: 30A; idle current approx. 0.8 A
  • Suggested prop: 6 x 4 in (use larger props with fewer cells)
  • Power: 220 W
  • Shaft diameter: 3.2 mm
  • Motor diameter: 28 mm
  • Inrunner design for reliable, lightweight performance

Specifications

  • Part number: OL-1688
  • Series: Overlander Thumper Inrunner
  • Weight: 114 g

Always verify current draw with a Watt meter when selecting propellers. As cell count decreases, a larger propeller may be used to maintain safe operating limits.

Brushless Inrunner RC Motor - BM400 (2845/09) 2100KV - LATEST MODEL!

 

• 220 watt motor
• 6 - 12 NiMh cells
• 2 - 4 LiPo cells
• Prop size 6x4in (larger prop with less cells)
• Shaft Diameter 3.2mm Shaft
• Motor weight 114gm
• Speed Controller Recommended 30A ESC

The sheer power of Thumper brushless motors far exceeds many motors costing 2 - 3 times their price. All of the Overlander Thumper Inrunnermotors are manufactured to Overlanders demanding standards, using the finest quality components. Our High Tech manufacturer uses state of the art CNC machine tools, giving the unique Overlander Thumper Inrunner design, this design means a lower weight motor with our exclusive black finish for better heat dissipation.

Every component of the motors are manufactured from the highest quality materials, only the best Neodym magnets are used along with special high temperature wire for windings, giving these motors reliability normally associated with much more expensive products.

Overlander Inrunner motors are designed to provide reliable power for your model at respectable prices, a total performance package when used in conjunction with our XP2 Speed Controllers.

Product SKU KV (rpm/v) LiPo Cells (S) NiMH Cells (S) Idle Current (a) ESC (a) Power (w) Weight (g) Prop Size Shaft (mm) From To T2822/27 V3 2973 1200 2 - 4 6 - 12 0.5 20 85 28 7 x 5 (4S) 8 x 5 (2S) 3.2 T2826/09 V3 2974 1900 2 - 4 6 - 12 1.5 20 105 49 7 x 5 (4S) 8 x 4 (2S) 3.2 T2826/18 V3 2975 1000 2 - 4 6 - 12 0.5 20 140 40 8 x 5 (4S) 9 x 4.7 (2S) 3.2 T2836/08 V3 2976 1120 2 - 4 6 - 12 1.2 20 270 67 9 x 6 (4S) 11 x 5.5 (2S) 4 T3530/14 V3 2977 1110 2 - 4 6 - 12 1.5 30 340 70 9 x 5 (4S) 10 x 4.7 (2S) 4 T3536/05 V3 2978 1500 2 - 4 6 - 12 2.8 30 408 98 8 x 4 (4S) 10 x 6 (2S) 4 T3536/08 V3 2979 1050 2 - 4 6 - 12 1.5 30 442 98 9.5 x 5 (4S) 11 x 5.5 (2S) 4 T3548/05 V3 2980 900 2 - 4 6 - 12 1.5 60 710 157 11 x 8 (4S) 14 x 7 (2S) 4 T4240/10 V2 1412 890 3-7 10 - 20 2.6 60 540 127 12 x 6 (7S) 14 x 8 (3S) 5 T4260/06 V3 2985 500 3-7 10 - 20 4.3 60 900 264 13 x 6 (7S) 15 x 8 (3S) 5 T5045/10 V3 2986 720 3-8 10 - 22 1.7 80 860 188 12 x 6 (8S) 14 x 8 (3S) 8 T5055/06 V3 2987 580 3-8 10 - 22 2.3 80 1280 279 14 x 6 (8S) 17 x 10 (3S) 8 T5065/08 V2 857 320 3-8 10 - 22 1.9 80 1600 382 16 x 8 (8S) 19 x 10 (3S) 8 T6354/16 V2 858 200 4-10 10 - 28 0.9 80 2210 471 18 x 10 (10S) 20 x 10 (4S) 10 BM400 V3 1688 2100 2 - 4 6 - 12 0.8 30 220 114 6 x 4 (2-4S) 3.2 BM600 V3 848 1500 3-5 10 - 16 1.4 60 450 177 8 x 6 (5S) 9 x 4 (3S) 5

NOTE: Propellers should always be checked with a Watt Meter to determine the correct diameter snd pitch. The larger the propeller, the lower the number of cells.



Overlander BM400 V3 2845/09 2100KV - Brushless Inrunner RC Motor - LATEST MODEL! Specification:

  • SKU: 1688
  • Motor Diameter (mm): 28
  • Weight (g): 98
  • KV: 2001 - 3000
  • Inrunner/Outrunner: Inrunner
  • ESC: 25 Amp

 



Key Info:
  • Brand: Overlander
  • Part No: OL-1688
  • Barcode: 5060386113416
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

Worldwide Shipping

Available at checkout

Reviews
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Questions & Answers
Real questions from real customers. Why not ask your own?
Can I use this in a bait boat
Warren / 29th May 2023

We do not work on bait boats so could not suggest a motor i'm afraid.

Steve @ Wheelspin Models
How do I calculate the correct size of control unit for this motor
Peter Slater / 10th May 2022

The Speed Controller Recommended is a 30A ESC

Steve W @ Wheelspin Models
Can run in 1/8th buggies
Darren Hollies / 12th May 2021

Not really, this is a flight motor

Ben @ Wheelspin Models
Require a prop adapter for the above motor.It has a flat on the shaft so I suspect a mini grub screw type would be needed.
Olav Sivertsen / 12th April 2021

OL-879 should do the trick

Ben @ Wheelspin Models
What ESC would you recommend for this motor?
David / 7th May 2020

25A ESC required - eg say ZTW2025101

Ben @ Wheelspin Models
what is the motor plug size?
Brandon Caulfield / 15th May 2018

These are 3.5mm plugs

Ben @ Wheelspin Models
Does this include esc
Ben / 11th June 2017
No, this is a motor.
Ben @ Wheelspin Models
Does it come wth esc
Ben / 11th June 2017
No, this is a motor.
Ben @ Wheelspin Models
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