Estes Rockets Bagged F15-8 Rocket Engines 2pc

The Estes F15-8 Model Rocket Engine Pack includes two 29mm engines with an 8 second delay, plus starters and plugs.

Package includes:

• 2x F15-8 rocket engines
• 2x starters
• 4x plugs

Specifications:

• Total impulse: 49.61 N-sec
• Time delay: 8 seconds
• Maximum thrust: 25.26 N (5.7 lbs), thrust duration 3.45 seconds
• Maximum lift weight: 15.0 oz (425g)
• Engine length: 4.5in (11.4cm), diameter: 29mm

Compatible with: 29mm diameter model rockets (check your rocket's instructions for engine compatibility). Recommended for ages 16+, adult supervision recommended for younger users.