Commonwealth Rocketry
Presents Estes Educator Products
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Building Supplies for Estes Model Rockets
Selecting the proper rocket engine

We offer several rocket engine bulk packs in four total impulse ranges. These packs may be used with the rockets listed on pages 5-7 of this catalog or other Estes rockets. The description of each kit lists recommended engines. Select your engines based on these recommendations. Bulk packs are convenient and include everything your students will need to prepare their rockets for flight: Model Rocket Engine Bulk Packs Include:

  1. 24 rocket engines
  2. 30 model rocket igniters
  3. 24 reusable igniter plugs
  4. 75 - 11.4 cm (4.5") squares of recovery wadding
    enough for approximately 25 launches 
1/2A3-2T Bulk Pack		EST 1780	
A8-3 Bulk Pack			EST 1781	
B6-4 Bulk Pack			EST 1783	
B6-0/B6-6 Bulk Pack		EST 1784	
C5-3 Bulk Pack			EST 1785
Rocket Builder's Marking Guide(TM)
  • This durable plastic tool revolutionizes model rocket construction; an absolute must for all levels of rocketeer!
  • Quickly and accurately marks body tube for fin placement and alignment
  • Precisely measures, then draws perfect rings around the body tube for trimming, fin placement, painting and many more uses
  • Built-in fin jig securely holds the fin in proper alignment during gluing for many rockets
  • Designed for three or four-finned rockets
    • EST 2227

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