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Designs >> Rocksim Library >>	All Rocksim Designs (1245 of 3219)Tag - Designer:Bill SimonTag - Manufacturer:EstesTag - Power:Low-PowerTag - Recovery:ParachuteTag - Style:ClusterTag - Style:Payload

Cobra Rocksim Design File

• Designer: Bill Simon
• Manufacturer: Estes
• Power: Low-Power
• Recovery: Parachute
• Style: Cluster
• Style: Payload

Comments: entered into RockSim by Alan Estenson

Designer: unknown

Download plans_eirp17_cobra.rkt

To use the design file above, you need a copy of Rocksim, a rocket design and simulation program.

Kit Name: Estes - Cobra {Kit} (K-10) [1963-1973]
Diameter: 1.6000 inches
Style: Cluster

CG: 12.8830 inches from front
CP: 19.2790 inches from front
Margin: 6.55 Overstable

Parts Breakdown

• Aardvark Rockets BT-55 Gadfly Og Nose Cone
• Custom Estes BT 1090 1.0173 inches 25.84 mm 0.7250 inches 18.42 mm 0.7250 inches 18.42 mm 0.9500 inches 24.13 mm 0.9500 inches 24.13 mm 0.2400 inches 6.10 mm 0.0000 inches 0.00 mm 1.5950 inches 40.51 mm 2.5550 inches 64.90 mm 1.8000 inches 45.72 mm 1.5200 Body Tube [Length: 4.00 in]
• Estes Conical Transition
• DIY Eye Hook #4 Mass Object
• Custom Estes BT 1090 1.0173 inches 25.84 mm 0.7250 inches 18.42 mm 0.7250 inches 18.42 mm 0.9500 inches 24.13 mm 0.9500 inches 24.13 mm 0.2400 inches 6.10 mm 0.0000 inches 0.00 mm 1.5950 inches 40.51 mm 2.5550 inches 64.90 mm 1.8000 inches 45.72 mm 1.5200 Body Tube [Length: 11.00 in]
• Custom Estes BT 1090 1.0173 inches 25.84 mm 0.7250 inches 18.42 mm 0.7250 inches 18.42 mm 0.9500 inches 24.13 mm 0.9500 inches 24.13 mm 0.2400 inches 6.10 mm 0.0000 inches 0.00 mm 1.5950 inches 40.51 mm 2.5550 inches 64.90 mm 1.8000 inches 45.72 mm 1.5200 Body Tube [Length: 2.75 in]
• Apogee 13029 Ring
• Custom Estes BT 1090 1.0173 inches 25.84 mm 0.7250 inches 18.42 mm 0.7250 inches 18.42 mm 0.9500 inches 24.13 mm 0.9500 inches 24.13 mm 0.2400 inches 6.10 mm 0.0000 inches 0.00 mm 1.5950 inches 40.51 mm 2.5550 inches 64.90 mm 1.8000 inches 45.72 mm 1.5200 Body Tube [Length: 2.75 in]
• Apogee 13029 Ring
• Custom Estes BT 1090 1.0173 inches 25.84 mm 0.7250 inches 18.42 mm 0.7250 inches 18.42 mm 0.9500 inches 24.13 mm 0.9500 inches 24.13 mm 0.2400 inches 6.10 mm 0.0000 inches 0.00 mm 1.5950 inches 40.51 mm 2.5550 inches 64.90 mm 1.8000 inches 45.72 mm 1.5200 Body Tube [Length: 2.75 in]
• Apogee 13029 Ring
• Custom Mass Object
• Estes Polyethylene LDPE Parachute (18.00 in)
• Estes Cobra Freeform Fin Set Freeform Fin Set
• Estes ESTES 2328 Launch Lug
• Custom Ring
• Custom Ring

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