HacDC Spaceblimp
From HacDC Wiki
A collection of stuff about HacDC's near space initiatives, including the Hackerspaces In Space Contest entry (2010).
Documentation / Press
Spaceblimp-2
Flight: 8/21/10 Liftoff time: ? Recovery time: ? Total liftoff to recovery time:
Weight of payload/chute: 1lb 13oz
Total cost of launch:
Airframe:
Balloon: 800g Kaymont/Totex latex weather balloon cost: $?
Fill: 180 cubic-feet Helium - cost: $90
Chute: Rocketman flat 18" - cost: $?
Capsule: Insulated lunch pail
Payload:
Canon model ? running CHDK (Canon Hack Development Kit) intervalometer script - cost: $20 Canon li battery cost: $? Canon 2GB SD card: $?
Falcom (uBlox based) GPS receiver + Serantel Antenna module - cost $47 Radiometrix VHF Narrow Band 300mW transmitter - cost $38
Ultralife U9VL-X Lithium-Manganese Dioxide non-rechargable battery cost: $7
Flight computer - cost $? Atmel ATMega328P microprocessor based, toner transfer & hand soldered board, two I2C temperatue sensors, I2C EEROM, cut down switch, software derived from WhereAVR