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I thought of that the other day, wondering how well you could possibly control a hot air balloon (or helium) based drone. My guess is wind forces etc would be e

I thought of that the other day, wondering how well you could possibly control a hot air balloon (or helium) based drone. My guess is wind forces etc would be extremely difficult to deal with

andygates 9y ago
With a (very) good weather model, it's possible to change altitude to pick up winds going roughly where you want to go. I don't know if anything does this autonomously - Google's Project Loon is the obvious candidate.