Econojet F42-47 product packaging with two bottles and a tool on a white background.

AeroTech F42-4T 29mm x 83mm Single-Use 2-Motor Pack 64204

$34.74 $43.99
Free CONUS Economy Shipping on All Orders $100.00 or More
*This is a product we must order from a distributor. Expect shipment within 14 business days or up to 30 business days for this product to come to MPM Hobbies. Products listed as back or pre-orders may take longer than 30 days. Distributor product availability may change without the knowledge of MPM Hobbies. Should this occur, we will notify you via email, text or phone call. Please read our "Shipping Policy" for details on mixed orders i.e orders covering both in-house and products we must order from the distributor.* For better information on product availability please call or text us at 1-(904) 885-0559
SKU: AER64204
Try Lay-Buy at checkout. Minimum of 20% down and maximum 6 months "Lay Away" plan. Your product will be shipped after balance is paid. Pre-orders will ship after balance is paid in full and product becomes available. Select "PUT IT ON LAY-BUY' at checkout and spread out those payments. Terms and restrictions apply.

AeroTech F42-4T 29mm Blue Thunder Single-Use Motors

Experience the brilliant violet-blue flame of the AeroTech F42-4T, a high-performance 29mm single-use rocket motor powered by Blue Thunder™ aerospace-grade composite propellant. This 2-motor pack delivers 52.9 N-sec total impulse per motor with a 4-second delay, producing a stunning visual display that makes every launch memorable. Perfect for mid-power rockets requiring reliable thrust and eye-catching performance.

Key Features

  • Brilliant Violet-Blue Flame: Blue Thunder propellant creates a distinctive, eye-catching exhaust plume
  • Superior Thrust Performance: 42.0 N average thrust with 67.0 N peak thrust over 1.26 seconds
  • Aerospace Heritage: Proven composite propellant technology derived from professional rocketry applications
  • U.S. Mailable: No hazmat fees—ships via standard ground delivery
  • Certified Performance: TRA, NAR, and CAR certified for competition and recreational use
  • Value Pack: Two motors included for multiple launches

Technical Specifications

  • Motor Diameter: 29mm
  • Casing Length: 83mm
  • Total Impulse: 52.9 N-sec per motor (F-class)
  • Average Thrust: 42.0 N
  • Peak Thrust: 67.0 N
  • Thrust Duration: 1.26 seconds
  • Delay Time: 4 seconds
  • Propellant Weight: 22.5 grams per motor
  • Total Motor Weight: 45.0 grams per motor

What's Included

  • 2 AeroTech F42-4T 29mm single-use motors
  • 2 FirstFire™ Jr. Initiators

Certifications

These motors are certified by the Tripoli Rocketry Association (TRA), National Association of Rocketry (NAR), and Canadian Association of Rocketry (CAR) for safe recreational and competition use.

Complementary Products

Enhance your rocketry experience with these related items from MPM Hobbies:

About AeroTech

AeroTech is a leading manufacturer of high-performance composite propellant rocket motors, trusted by hobbyists and professionals worldwide. Their Blue Thunder propellant line delivers exceptional visual performance combined with reliable, consistent thrust characteristics. Learn more at AeroTech's official website.

Note: These are single-use motors and cannot be reloaded. Always follow NAR/TRA safety codes and local regulations when launching model rockets.

Aerotech Website

Visit MPM Website

Backorder Notice

This item is currently listed as backorder with our distributors. By adding it to your cart, you acknowledge that shipping may be delayed for greater than 30 days until the item becomes available.