Electric Motors, Engines & Accessories > Motor & Accessories - R/C Aircraft > Motor R/C - Gearboxes/Drives/Pinions [View Top Sellers for this Category] Bookmark this Page

Great Planes - GPMG0520   735557305208 0735557305208
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Browse Great Planes

Great Planes Planetary Gear Drive 24-28mm Ammo Motors
Save $8.00! Save $8.00 off Your $55 Order!
Place at least a $55 order for a limited time and we'll take $8.00 off the total! All you have to do to claim your savings is click on coupon code 01470 and it will be placed in your shopping cart.

Great Planes Planetary Gear Drive 24-28mm Ammo Motors
View Larger Picture

Parts Saver Eligible:Yes

Stock Number
Retail Price
Tower's Low Price
Stock Status
Late Sep

Email Me When Available

Buy Now
Add to wish list
—— Share ——

Tech Notes
This is the Planetary Gear Drive for use with 24mm-28mm ElectriFly Ammo Motors.


Allows you to mount up to 685 watts of power in a slender, 28mm
diameter package
Planetary gears with 3 roller bearings and an output shaft supported
by 2 ball bearings


One Planetary Gear Drive
One 3mm ID Pinion Gear
One 3.175mm ID Pinion Gear
Four Washers
Four 3x6mm Button Head Screws
Instruction Sheet


Prop Adapter-Collet or Collet Cone Adapter
GPMQ4966 5mm to 5/16-24 Collet Prop Adapter
GPMQ4994 5mm to 5/16-24 Collet Cone Adapter


Gear Ratio: 4.3:1
Pinion Gear Teeth: 14T
Ring Gear Teeth: 46T
Weight: 53g (1.9oz)
Input Shaft Diameter(motor shaft diameter): 3mm(0.12"),3.175mm(0.13")
Output Shaft Diameter (gearbox output): 5mm (0.20")


For mounting inside cowled applications, order the Aluminum Medium
Brushless Motor Mount GPMG1255.

cnh 11/6/09

– If you need more information, use these Great Planes resources –
Email: airsupport@greatplanes.com
Web Site: http://www.greatplanes.com/
Phone: 217-398-8970
  Postal Address:
Great Planes

Click here for Units of Measure Conversion Calculators

Tower Hobbies Has Been Serving Hobbyists Since 1971 • Call 800-637-6050 or 217-398-3636
See Tower Hobbies
Reviews at Bizrate.com
Hobbico, Hobby & Model Construction
Supplies - Retail, Champaign, IL
We accept the following: We accept the following payment methods: Discover, MasterCard, Visa, American Express, Diners Club International, JCB, China UnionPay, PayPal, and PayPal Credit.
Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change. Displayed within some areas of our web site, the Retail Price is suggested by the manufacturer or supplier, or estimated in keeping with standard industry practice. It may not represent the prevailing price in your area or a price that Tower Hobbies has ever offered for the item.
Copyright © Tower Hobbies All rights reserved. Do not duplicate or redistribute in any form.