I don’t have yet a complete mental image of the finished airship. At first I imagined something not much bigger than one helium balloon (two at most) but soon I realized that it would hardly carry the not-so-heavy navigation electronics. And since an integrated GSM GPS chip costs 120€ I believe that some extra weight for security systems won’t be a bad idea.
So, many different parts require my attention, and since I can’t solve them all at the same time, I should try to organise myself. Operationally I’ve divided the airship in two different sections that can be split in two subsections each.
1. Aerodynamics
a. Lift
b. Propulsion
2. Electronics
a. Navigation
b. Communications
In a general view, lift will be helium’s job, since I need some way to control height (maybe with vertical propellers or with some system to vary volume), propulsion will be carried out by solar powered and internet controlled propellers. It will navigate using GPS (cheap, precise and global range) and communications will use the GSM network (especially GPRS if available). It will be useful to send image using a CMOS camera, since it has to be manually controlled (on landing).
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