Goblin Rocksim Design File

Contributed by Charles Keller

Comments: Estes recommends that this rocket NEVER be flown with the CG located less than 3-5/8" from the rear of the body tube.

Designer: Estes R&D Staff (data entered by Charles Keller based on Kit # K-55 instructions)

Download oop_estes_goblin.rkt

To use the design file above, you need Rocksim which is available from Apogee's website.

CG: 8.7426 inches from front
CP: 12.1195 inches from front
Margin: 2.55 Overstable

Parts Breakdown

• Custom Haack Nose Cone
• Estes Paper Body Tube (1.3250 in)
• Custom Balsa Freeform Fin Set
• Estes Paper Body Tube (0.9760 in)
• Apogee Components Paper Ring (0.7400 - 0.9500 in)
• Estes Engine hook Standard size Mass Object
• DIY Eye Hook #4 Mass Object
• Custom Mass Object
• Custom Mylar Streamer (0.0010 in)
• Estes Paper Launch Lug (0.1250 in)
• Estes Paper Launch Lug (0.1250 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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