PLEASE NOTE: These are 18mm diameter engines.Please refer to the instructions that came with your rocket (or the rocket's product description) to determine engine compatibility.
Estes B6-4 engine pack -includes 3 engines, 4 starters, and 4 starter plugs
The B6-4 is a single stage engine that delivers high altitude flights
Recommended for use with the Rascal & HiJinks, Hi-Flier, AstroCam, Tandem-X, or other compatible rocket kits
This item will ship by US Postal Service only.
Technical Specifications:
Total Impulse: 5.00 N-sec
Time Delay: 4 Seconds
Max Lift Weight: 4.0 oz (113 g)
Max Thrust: 12.10 Newtons (2.7 lbs)
Thrust Duration: 0.80 Seconds
Length: 2.8 in. (7 cm)
Diameter: 18 mm
Weight: .63 oz. (17.9 g)
Propellant Weight: 0.23 oz (6.5 g)