1/2A3-4T Engine Educator PkHAZ (24) - EST1788 2oz reliability and durability needed to

reliability and durability needed to keep the competition on the ropes

• Adds weight and strength to the vehicle

it offers adjustable wheelbases

with factory fit and finish for easy installation

1/2A3-4T Engine Educator PkHAZ (24) - EST1788 2oz reliability and durability needed toOverview Estes offers rocket engine bulk packs in four total impulse ranges. These packs may be used with the rockets listed on our Web Site or other Estes rockets. The description of each kit lists recommended engines. Our engine bulk packs contain: 1) 24 rocket engines 2) 30 model rocket igniters 3) 24 reusable igniter plugs 4) 75 4. 5 in. (11. 4 cm) squares of recovery wadding, enough for approximately 25 launches.