I think it is actually more likely that they are generating power for a wireless or wired intercom system, as observation balloons were filled with either lamp gas or hydrogen, neither of which need power to inflate the balloon
CantStopTheStomp
They must have had amazing legs by the end of the war.
gusti00733
Hans: “Why are we doing this again, Fritz?”
Frtiz: “Just shut up and keep pedaling.”
maltedfalcon
I think it is actually more likely that they are generating power for a wireless or wired intercom system, as observation balloons were filled with either lamp gas or hydrogen, neither of which need power to inflate the balloon
CantStopTheStomp
They must have had amazing legs by the end of the war.