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LiPo Guarantee

 
 
RIMFIRE

The brushless advantage for outrunner design motors!

Just as Ammo motors have revolutionized brushless inrunner technology, RimFire motors have done the same for outrunners! The combination of superior performance and a competitive price makes these power plants a great value. Plus, the wide selection means there's a RimFire motor that's ideal for whatever the application, including brushed-to-brushless upgrades as well as glow-to-electric conversions. Equip your airplane with a RimFire, and watch it reach new heights!

2-Year Quality Guarantee
  • Engineered for explosive acceleration and maximum torque.
  • The lightened aluminum motor can houses high-torque, "rare-earth" Neodymium magnets.
  • Better cooling means 50% more power than many others outrunners of similar size.
  • Dependable and virtually maintenance-free; no comms or brushes to worry about, and bearings are double-shielded.
  • All include hardware, gold-plated bullet connectors (male connectors are installed; female connectors are included) and a motor mount.
Images are not size-relevant.

RimFire 150
GPMG4453

RimFire 150

  • Includes prop saver, prop adapter and motor mount.

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 150 GPMG4453 15 mm
(0.55 in)
15.9 mm (0.63 in) 3000 21 24 7.1 g
(0.25 oz)
1.5 mm
(0.059 in)
7.4V / 2S LiPo 65 g
(2.3 oz)
40 g (1.4 oz) 6 Amp 2S 5x4.3 electric


RimFire 200
GPMG4455

RimFire 200

  • Includes prop saver, prop adapter and motor mount.

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 200 GPMG4455 18 mm
(0.71 in)
18.8 mm (0.74 in) 2400 36 47 12.4 g
(0.44 oz)
2 mm
(0.079 in)
7.4 / 2S LiPo 177 g
(6.2 oz)
110 g (3.9 oz) 6 Amp 2S 7x3.5 electric

RimFire 250
GPMG4502

RimFire 250

  • Includes prop saver, prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 250 GPMG4502 28 mm
(1.1 in)
13 mm
(0.51 in)
1750 90 120 20 g
(0.71 oz)
3 mm
(0.12 in)
7.4-11.1V / 2-3S LiPo 225 g
(8 oz)
140 g (5 oz) 8 Amp 2S 7x6 to 8x4 Slow-fly

RimFire 300
GPMG4505

RimFire 300

  • Includes prop saver, prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 300 GPMG4505 28 mm
(1.1 in)
22 mm (0.87 in) 1380 100 150 27 g
(0.95 oz)
3 mm
(0.12 in)
7.4-11.1V / 2-3S LiPo 395 g
(14 oz)
255 g (9 oz) 12 Amp 3S 8x4.5 to 10x4.5 Slow-fly

RimFire 370
GPMG4525

RimFire 370

  • Includes prop saver, prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 370 GPMG4525 28 mm
(1.1 in)
26 mm (1.0 in) 1000 135 165 41 g
(1.4 oz)
3 mm
(0.12 in)
7.4-11.1V / 2-3S LiPo 595 g (21 oz) 370 g (13 oz) 12 Amp 3S 9x4.5 to 10x4.5 Slow-fly

RimFire 400
GPMG4560

RimFire 400

  • Includes prop saver, prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 400 GPMG4560 28 mm
(1.1 in)
30 mm (1.2 in) 950 160 220 54 g
(1.9 oz)
3 mm
(0.12 in)
7.4-11.1V / 2-3S LiPo 905 g (32 oz) 565 g (20 oz) 25 Amp 3S 8x6 to 10x4.5 Slow-fly

RimFire .10
GPMG4595

RimFire .10

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .10 GPMG4595 35 mm
(1.4 in)
30 mm
(1.2 in)
1250 325 390 71 g
(2.5 oz)
4 mm
(0.16 in)
7.4-11.1V / 2-3S LiPo 1360 g
(3 lbs)
905 g
(2 lbs)
35 Amp 3S 10x4.5 to 10x7 Electric

RimFire .15
GPMG4620

RimFire .15

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .15 GPMG4620 35 mm
(1.4 in)
36 mm (1.4 in) 1200 500 650 102 g
(3.6 oz)
4 mm
(0.16 in)
11.1-14.8V / 3-4S LiPo 1815 g
(4 lbs)
1135 g
(2.5 lbs)
45 Amp 4S 10x7 to 11x7 Electric

RimFire .25
GPMG4675

RimFire .25

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .25 GPMG4675 42 mm
(1.7 in)
40 mm
(1.6 in)
1000 650 740 125 g
(4.4 oz)
5 mm
(0.2 in)
11.1-14.8V / 3-4S LiPo 2040 g
(4.5 lbs)
1360 g
(3 lbs)
45 Amp 3S 11x8.5 to 12x6 Electric

RimFire .32
GPMG4700

RimFire .32

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .32 GPMG4700 42 mm
(1.7 in)
50 mm
(2.0 in)
800 850 1480 198 g
(7 oz)
5 mm
(0.2 in)
11.1-14.8V / 3-4S LiPo 2950 g
(6.5 lbs)
1845 g
(4 lbs)
45 Amp 4S 12x6 to 13x8 Electric

RimFire .46
GPMG4725

RimFire .46

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .46 GPMG4725 42 mm
(1.7 in)
60 mm
(2.4 in)
800 1000 1850 268 g
(9.5 oz)
5 mm
(0.2 in)
18.5-22.2V / 5-6S LiPo 3400 g
(7.5 lbs)
2210 g
(5 lbs)
60 Amp 6S 10x5 to 11x5 Electric

RimFire .55
GPMG4715

RimFire .55

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .55 GPMG4715 42 mm
(1.7 in)
60 mm
(2.4 in)
480 1100 1850 268 g
(9.5 oz)
5 mm
(0.2 in)
18.5-22.2V / 5-6S LiPo 4310 g
(9.5 lbs)
2720 g
(6 lbs)
60 Amp 6S 13x10 to 15x8 Electric

RimFire .60
GPMG4745

RimFire .60

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .60 GPMG4745 50 mm
(2.0 in)
55 mm
(2.2 in)
650 1200 2200 298 g
(10.5 oz)
8 mm
(0.31 in)
18.5 - 22.2V / 5-6S LiPo 4705 g
(10.5 lbs)
2950 g
(6.5 lbs)
60 Amp 6S 12x6 to 13x4 Electric

RimFire .80
GPMG4740

RimFire .80

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire .80 GPMG4740 50 mm
(2.0 in)
55 mm
(2.2 in)
500 1300 2200 298 g
(10.5 oz)
8 mm
(0.31 in)
18.5 - 22.2V / 5-6S LiPo 5215 g
(11.5 lbs)
3175 g
(7 lbs)
60 Amp 6S 15x6 to 15x8 Electric

RimFire 1.20
GPMG4770

RimFire 1.20

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 1.20 GPMG4770 50 mm
(2.0 in)
65 mm
(2.6 in)
450 1800 2300 400 g
(14.1 oz)
8 mm
(0.31 in)
18.5 - 22.2V / 5-6S LiPo 6520 g
(14.5 lbs)
4080 g
(9 lbs)
80 Amp 6S 16x6 to 17x8 Electric

RimFire 1.60
GPMG4795

RimFire 1.60

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 1.60 GPMG4795 63 mm
(2.5 in)
62 mm
(2.4 in)
250 2500 3200 634 g
(22.4 oz)
8 mm
(0.31 in)
33.3 - 44.4V / 9-12S LiPo 9070 g
(20 lbs)
5445 g
(12 lbs)
80 Amp 12S 16x8 to 18x8 Electric

RimFire 50cc
GPMG4800

RimFire 50cc

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 50cc GPMG4800 80 mm
(3.1 in)
75 mm
(3.0 in)
230 5000 6500 1250 g
(44.1 oz)
10 mm
(0.39 in)
33.3-55.5V / 9-15S LiPo 12.7 kg
(28 lbs)
8.17 kg
(18 lbs)
120 Amp 12S 22x8 to 26x10

RimFire 65ccGPMG4805

RimFire 65cc

  • Includes prop adapter and motor mount.

motor dimensions

Description Stock No. Diameter Length
kV Constant Watts Burst Watts Weight Shaft Diameter (mm) Voltage Range
Sport 3D Power System Recommendation
ESC LiPo Prop
RimFire 65cc GPMG4805 80 mm
(3.1 in)
85 mm
(3.4 in)
160 6500 8400 1480 g
(52.2 oz)
10 mm
(0.39 in)
33.3-55.5V / 9-15S LiPo 19.1 kg
(42 lbs)
11.79 kg
(26 lbs)
120 Amp 12S 22x10 to 26x12

Brushless Outrunner Motor Mount

Brushless Outrunner Motor Mounts

GPMG1200 Small 28 mm motors
GPMG1205 Medium 35-42 mm motors
GPMG1210 Large 50-63 mm motors


Outrunner Prop Adapter

Outrunner Prop Adapters

GPMQ4903 Prop Adapter for 35 mm Dia Motor
GPMQ4906 Prop Adapter for 42 mm Dia Motor
GPMQ4909 Prop Adapter for 50 mm Dia Motor
GPMQ4912 Prop Adapter for 63 mm Dia Motor


PDF
Download the RimFire 250 Power System manual (131 KB PDF)

Download the RimFire 28mm Power System manual v2 (338 KB PDF)

Download the RimFire 35mm Power System manual (457 KB PDF)

Download the RimFire 42mm Power System manual (463 KB PDF)

Download the RimFire 50mm Power System manual (457 KB PDF)

Download the RimFire 63mm Power System manual (381 KB PDF)

Download the RimFire 80mm Power System manual (224 KB PDF)

Get Adobe Reader

As we continue to refine our RimFire motor selection, some previous options may no longer be available.
Listed below is a helpful list showing the older motors along with their replacements.

Motor Suggested Substitution
GPMG4500 Rimfire 370 - GPMG4525
GPMG4530 Rimfire 370 - GPMG4525
GPMG4535 Rimfire 370 - GPMG4525
GPMG4555 Rimfire 400 - GPMG4560
GPMG4565 Rimfire 400 - GPMG4560
GPMG4570 Rimfire 400 - GPMG4560
GPMG4590 Rimfire .10 - GPMG4595
GPMG4600 Rimfire .10 - GPMG4595
GPMG4615 Rimfire .15 - GPMG4620
GPMG4625 Rimfire .15 - GPMG4620
GPMG4635 Rimfire .25 - GPMG4675
GPMG4640 Rimfire .25 - GPMG4675
GPMG4645 Rimfire .25 - GPMG4675
GPMG4650 Rimfire .25 - GPMG4675
GPMG4655 Rimfire .25 - GPMG4675
GPMG4670 Rimfire .25 - GPMG4675
GPMG4695 Rimfire .32 - GPMG4700
GPMG4705 Rimfire .32 - GPMG4700
GPMG4720 Rimfire .46 - GPMG4725
GPMG4765 Rimfire 1.20 - GPMG4770


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