A-20 Demon Rocksim Design File

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 Rocksim which is available from Apogee's website.

Kit Name: Estes - A-20 Demon (1258, K-58) [1971-1975]
Diameter: 1.325 inches
Style: Payload

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

Parts Breakdown

• Custom Parabolic Nose Cone
• Estes Paper Body Tube (1.3250 in)
• Custom Balsa Ring (1.2160 - 1.2830 in)
• Estes Paper Body Tube (1.3250 in)
• Estes Paper Body Tube (0.9760 in)
• Estes Engine hook Standard size Mass Object
• Apogee Components Paper Ring (0.7400 - 0.9500 in)
• Custom Balsa Trapezoid Fin Set
• Estes Paper Launch Lug (0.1250 in)
• Estes Paper Launch Lug (0.1250 in)
• DIY Eye Hook #4 Mass Object
• Custom Mass Object
• Estes Polyethylene LDPE Parachute (18.00 in)
• Custom Paper Ring (0.9760 - 1.2830 in)
• Custom Paper Ring (0.9760 - 1.2830 in)

What You Can Do

• Submit a File Related to this Rocksim Design File
• Submit a Rocksim Design File to RocketReviews.com

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