What I describe would not specially (and perhaps not at all) apply to TRPT but rather to flygen rotating AWES. The cyclical variations in bridle length would not be intended to cyclically vary the pitch of the blades which remain fixed, but only to allow the rotating kite to maintain the same tilted angle of attack during rotation, so its lift. I don’t think I’ve seen this elsewhere, and I don’t still know if this can work.
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