How would I make this work? The problem is that the motor will spin the prop until the battery dies or until it crashes. Is there anything like an electronic 'valve' that will shut off the power coming to the prop in a given amount of time?

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John Doe Profile
John Doe answered

What type of prop are you asking about? Like a boat motor?

thanked the writer.
science guy
science guy commented
for a plane we are making in transportation. We can build it out of anything we like (im doing cardboard, tissue paper, staws, and the prop pieces). I need the prop to be shut off after x amount of time.
John Doe
John Doe commented
Maybe put the batteries on a timer....to cut the current off after a period of time

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