Our Astro 19 motor spins a 9 to 10 inch prop without using a gear box. It is perfect fot 3 to 4 lb models like the House of Balsa P-51 Mustang.

819 Motor 19 Direct
Winding 9 turns
RPM/volt 1375 rpm/volt
Resistance 90 millionhms
No load current 450 ma
Rotor Magnets Sm Cobalt
Bearings Ball Bearings
Motor Diameter 1.46 inches
Motor Length 1.87 inches
Motor Weight 4.2 ounces
Motor shaft 5.0mm dia
Max Nicads 12 cells
Max Lithium 4 cells
Maximum Amps 25 Amps
Maximum Power 400 watts


For an explanation of motor terminology and parameters, please click here.

Astro Flight, Inc. warrants all products against defects in material and workmanship for a period of 90 days, from the date of purchase. During the warranty period, Astro Flight will repair or replace the product. This warranty does not apply if the product has been damaged by accident, abuse, misuse or misapplication, nor as a result of service or modification made by others. Astro Flight is not responsible for incidental or consequential damages resulting from the use of this product. This includes damages to intellectual information, property and personal injury. Astro Flight reserves the right to make changes in future product design, without reservation and without notification to its users.
Please contact the Customer Support Department to obtain a Return Merchandise Authorization (RMA) number, before shipping the product back to Astro Flight. Returns will not be accepted without a valid RMA number. For faster service, please have the following information on hand when calling or emailing for an RMA number: customer name, invoice number and reason for return. Shipping charges on returned items are the customer's responsibility. Products should be returned with shipping charges prepaid, along with proof of purchase, a description of the problem and the issued RMA number. All returned products are subject to a 15% restocking fee.