Estes - Astron Cobra Kit

CP Method: Rocksim/Rocksim
CP Position From Front: 18.35 inches
Designer: Bill Simon
Diameter: 1.64 inches
Fin Material: Balsa
Fin Span: 4.25 inches
Length: 22.25 inches
Main Body Tube: 22.2500
Main Nose Cone: BNC-50K
Manufacturer: Estes
Model: K-10
Motor Size: 18 millimeters
Nose Cone Material: Balsa
Original Price: $3.50
Plan (Estes Instructions):
Plan (JimZ):
Power: Low-Power
Product Type: Kit
Recommended Motors: 3xA8-3, 3xB6-4, 3xC6-5
Recovery: Parachute
Status: Out-Of-Production
Style: Cluster, Payload
Weight: 2.50 ounces

Run Motor Simulations

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    Brief: In my early days of my rocketry odyssey, clustering was not a technique to which I gave much thought. This was largely due to the fact that, in 1977, the only commercially available Estes kits that featured clustered engines were the wildly expensive (to a kid who caddied for rocket money) Saturn V and Saturn 1B, or the Scrambler, (eggs were for schoolbuses, not rockets.) Until 2001, I ...

Rocksim Design Files
Thanks to ...
  • Mark Kulka for Updating Product Attributes


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