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 200g
Camera 215g
Arduino Duemilanove 28g
Telit GSM862 34g
3.7V LiPo Battery 28g
4 AA Batteries 88g
GSM Antenna 46g
2 x GPS Antenna 40g
Lassen 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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