Estes Rockets A3-4T Model Rocket Mini Engine 4pc

The A3-4T is a single-stage mini engine designed for lightweight rockets up to 2.0 ounces. It delivers consistent, reliable performance with a peak thrust of 6.80 newtons and a 4-second delay for controlled flight and recovery deployment.

Package includes:

• 4 x A3-4T Engines
• 4 x Starters
• 4 x Starter Plugs

Specs: 13mm diameter, 1.8 in (4.6 cm) length, 6.80N max thrust, 4-second delay, 2.0 oz (57g) max lift weight, 0.28 oz (7.9g) engine weight, 0.12 oz (3.3g) propellant weight.

Compatible with: Star Hopper, Star Weaver, Space Corps Lunar Scout, Mini Honest John