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You're $80.00
Rocket B4-4 Reg (3) EST
Brand:
Estes
B4-4 Engines. The Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights.
Overview
B4-4 Engines
3 – B4-4 Engines
4 – Starters
4 – Starter Plugs
The Estes B4-4 Rocket Engine 3-Pack is an 18 mm, single-staged engine designed for model rocket flights. This engine is a standard engine designed for flights in rockets weighing less than 3.5 ounces, including the engine.
Technical Specifications
Total Impulse: 5.00 N-sec
Time Delay: 4 Seconds
Max Lift Weight: 3.5 oz (99 g)
Max Thrust: 13.20 Newtons (3.0 lbs)
Thrust Duration: 1.10 Seconds
Length: 2.8 in. (7 cm)
Diameter: 18 mm
Weight: .68 oz. (19.3 g)
Propellant Weight: 0.27 oz (7.6 g)
