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All Rocksim Designs (1160 of 3219)Tag - Manufacturer:EstesTag - Power:Low-PowerTag - Recovery:ParachuteTag - Style:Payload

A-20 Demon Rocksim Design File

• Manufacturer: Estes
• Power: Low-Power
• Recovery: Parachute
• Style: Payload

Comments: This rocket should never be flown with the CG less than 7" from the rear (Estes plans)

Designer: Wayne Kelner (data entered by Charles Keller based on [Estes] Kit # K-58 instructions)

Download oop_estes_a_20demon.rkt

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

Kit Name: Estes - A-20 Demon {Kit} (1258, K-58) [1971-1975]
Diameter: 1.3250 inches
Style: Payload

CG: 14.5191 inches from front
CP: 22.9228 inches from front
Margin: 6.34 Overstable

Parts Breakdown

• Estes A-20 Demon Parabolic 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]
• Custom 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: 18.00 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]
• Estes Engine hook Standard size Mass Object
• Apogee EB-50 Ring
• Estes - A-20 Demon Trapezoid Fin Trapezoid Fin Set
• Estes ESTES 2321 Launch Lug
• Estes ESTES 2321 Launch Lug
• DIY Eye Hook #4 Mass Object
• Custom Mass Object
• Estes Polyethylene LDPE Parachute (18.00 in)
• Custom Ring
• Custom Ring

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