D motors with a 7 second delay, in a convenient 2 pcs. pack. Powerful engines for big Estes kits and other brands kits.
Package includes 3 Motors, 3 igniters and 3 igniter plugs.

Features
Lenght: 70 mm
Diameter: 24 mm
Weight: 44 gr
Burn time: 1.6 sec.
Max liftoff weight: 226 gr
Use: Upper Stage (purple label)