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Small Spacecraft Missions – How About Flying a CubeSat? - page 13 / 44

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Slide 13

www.pumpkininc.com

Construction

CubeSat specification (from Cal Poly)

100mm x 100mm cross-section

1kg mass

113.5mm height (1U), 227mm height (2U), 340.5mm height (3U)

6.5mm from each face (CSK: 7mm top & bottom)

Spec allows for 113mm diameter structure

Materials

Spec essentially requires aluminum (Al), esp. for contact surfaces

6061-T6 & 7075-T6 common, machinable Al

5052-H32 is bendable Al as used in CSK

Titanium (Ti) too heavy

Carbon Fiber (CF) has outgassing and consistency problems

Fasteners

Non-magnetic, Stainless-steel preferred

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