There is a lot more to it than what you describe. You need to constantly know the line tension base on the pulling force because of the gust factor and an increase in angle of attack in dynamic wind or if the glider catches a thermal or exits it, etc… even without a radio controlled system it will requires a ton of knowledge on the tow operator’s end and reason why the USHPA has a special tow operator certification rating. If you do not know what you are looking at and send a wing into a lockout, you could kill the pilot especially close go the ground (less than 500’).
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