## Monday, September 13, 2010

### GAGA-1: Weight Budget

A quick tally of various components and their weights.

I need to keep the entire thing under 1kg so that the balloon I plan to use (a 1200g latex sounding balloon) can give sufficient lift for a fast ascent: 5m/s.
Capsule              200gCamera               215gArduino Duemilanove   28gTelit GSM862          34g3.7V LiPo Battery     28g4 AA Batteries        88gGSM Antenna           46g2 x GPS Antenna       40gLassen IQ GPS         20g

That's roughly 700g leaving me 300g for bits of wiring, a PCB for the flight computer, the radio module, and some discrete components and the rope.

Every thing about this project is a challenge: weight, extreme temperatures, dealing with the wind, a combination of radio and computer work, an autonomous camera, ...

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