1/2A3-4T Engine Educator PkHAZ (24) - EST1788 VQS Set contains one each of

Set contains one each of : 5/64

functional slotted flaps

includes a full set of ball bearings and all-metal internal gears for strength and durability

With "almost scale" not being acceptable and access to Interco's design data

1/2A3-4T Engine Educator PkHAZ (24) - EST1788 VQS Set contains one each ofOverview 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.