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All Rocksim Designs (1202 of 3219)Tag - Designer:Vern EstesTag - Family:Estes:Big BerthaTag - Manufacturer:EstesTag - Motor Size:18 mmTag - Power:Low-PowerTag - Recovery:ParachuteTag - Skill Level:1Tag - Style:Sport

Big Bertha Rocksim Design File

• Designer: Vern Estes
• Family: Estes : Big Bertha
• Manufacturer: Estes
• Motor Size: 18 mm
• Power: Low-Power
• Recovery: Parachute
• Skill Level: 1
• Style: Sport

Comments: entered into RockSim by Alan Estenson

Designer: unknown

Download plans_eirp13_big_bertha.rkt

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

Kit Name: Estes - Big Bertha {Kit} (1948, 23, 7007)
Diameter: 1.6400 inches
Length: 24.0000 inches
Style: Sport

CG: 11.3338 inches from front
CP: 18.2197 inches from front
Margin: 4.21 Overstable

Parts Breakdown

• Estes Big Bertha Elliptical Nose Cone
• 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: 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 30162-2 Ring
• Estes x Ring
• Estes x Ring
• Estes Estes Ring
• Estes ESTES 2321 Launch Lug
• Estes Big Bertha Freeform Fin Se Freeform Fin Set
• Custom Mass Object
• Estes Polyethylene LDPE Parachute (18.00 in)

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