A column of resistive wotchamajiggits that get compressed when you push the pedal, like sewing machines.
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W
. | ,. w , "Some people are alive only because
\\|/ \\|/ it is illegal to kill them." Perna condita delenda est
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I just today received the new pot.
It's an odd device. Over most of its range the resistance doesn't vary. All the change occurs within quite a small angle. This makes a kind of sense, given that the pedal mechanism doesn't rotate it far. But it seems to imply that the pots were specially made, which can't have helped to keep the price down.
Sylvia.
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