"Capt. Geoffrey Thorpe" The Sea Hawk at wow way d0t com writes:

The transporter on Star Trek works because they were scheduled to start
shooting and the shuttle craft / set wasn't done so they had to come up with
something quick to get up and down to a planet.

I read that the concept was invented just to speed up the movement of
the plot in a one-hour program--otherwise a lot of time would
potentially be wasted with either shuttlecraft movements or take-offs
and landings of the entire Enterprise.

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