A3-4T Model Rocket Engines (4)
Item Number: est1507
Discontinued
Not Available For Purchase
About This Item
Product Details
This is an A-class A3-4T single use mini model rocket engine from Estes. For use in single stage model rockets.
Product Rank
Includes
- 4 A3-4T Model Rocket Engines
- 4 Igniters
- 4 Plugs
Features
- "Mini" class model rocket engine 4 pack.
- Single stage model rocket motor.
- Detailed instructions.
- Easy to use.
- National Association of Rocketry certified.
Comments
- WARNING: Model rocket motors are flammable. Please use caution.
- Must be 14 to purchase in CA and NJ.
- Do not burn engines.
- Soak in water to destroy.
Specifications
- Length: 1 3/4"
- Diameter: 1/2"
- Estes Product Number: 1507
Reviews
Review Summary
The reviews highlight that these mini rocket motors are appreciated for their slow lift-offs, versatility, and suitability for lightweight rockets, with many users noting their reliability over numerous launches. They are seen as economical and effective for small-scale projects, though some concerns exist about fragility and occasional failures if mishandled. There is also a desire among users for the return of a specific upper stage variant with a longer delay to prevent recovery system damage.
