MK109 Stingray, EST 2131 Rocksim Design File

Contributed by Bruce S. Levison

Comments: Flies unstable on C motors, Stable with B motor in low wind

Designer: Drawn by Bruce S. Levison

Download estes_esmk109s.rkt

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

Kit Name: Estes - MK-109 Stingray (1232, 2131) [1997-2002,2002-2003]

CG: 10.2362 inches from front
CP: 12.2316 inches from front
Margin: 1.81

Parts Breakdown

• Custom Ogive Nose Cone
• Custom Cardboard Body Tube (1.1024 in)
• Custom Polystyrene PS Freeform Fin Set
• Custom Cardboard Body Tube (0.7362 in)
• Custom Polyethylene LDPE Parachute (12.00 in)
• Custom Polystyrene PS Launch Lug (0.2677 in)
• Custom Polystyrene PS Launch Lug (0.2677 in)
• Custom Polystyrene PS Launch Lug (0.2362 in)
• Custom Polystyrene PS Ring (0.7362 - 1.0433 in)
• Custom Polystyrene PS Ring (0.7362 - 1.0433 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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