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- Strong and durable, with aluminum frames, steel shafts, brass pinion gears and nylon spur gears.
- Mounts directly to Great Planes® brushless motor mount.
- All include a prop saver or adapter, two pinion gears, mounting hardware and a spur gear (two in GPMA0505-0515).
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GPMG0495
for 12 mm Ammo motors |
GPMG0500
for 20 mm Ammo motors |
GPMG0505
for 24 mm Ammo motors |
GPMG0510
for 28 mm Ammo motors |
GPMG0515
for 36mm Ammo motors |
| Gear Drives |
| Stock # |
Description |
Approx. Weight |
Motor Mount |
Pinions Included |
Pinion Shaft Diameter |
Spur Gears Included |
Output Shaft Dia. |
Included Ratios |
| Ratio #1 |
Ratio #2 |
Ratio #3 |
Ratio #4 |
| GPMG0495 |
for 12 mm Ammo motors |
7 g (0.24 oz) |
Direct mount* |
9T, 12T |
1.5 mm |
64T |
3 mm |
7.1:1 |
5.3:1 |
n/a |
n/a |
| GPMG0500 |
for 20 mm Ammo motors |
12 g (0.42 oz) |
Stick/Included with gear drive |
10T, 12T |
2 mm |
64T |
3 mm |
6.4:1 |
5.3:1 |
n/a |
n/a |
| GPMG0505 |
for 24 mm Ammo motors |
22 g (0.75 oz) |
Small* |
11T, 16T |
3 mm |
40T, 50T |
4 mm |
4.5:1 |
3.6:1 |
3.1:1 |
2.5:1 |
| GPMG0510 |
for 28 mm Ammo motors |
34 g (1.2 oz) |
Medium* |
11T, 16T |
3.175 mm |
40T, 50T |
5 mm |
4.5:1 |
3.6:1 |
3.1:1 |
2.5:1 |
| GPMG0515 |
for 36 mm Ammo motors |
50 g (1.75 oz) |
Large* |
14T, 20T |
5 mm |
70T, 90T |
6 mm |
6.4:1 |
5.0:1 |
4.5:1 |
3.5:1 |
Note: The gear drive GPMG0500 installs on a 10 x 10mm stick
Note: The gear drive GPMG0495 can be mounted to either a firewall or a motor mount
*Mount is not included.
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