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16 December 2017 16:49

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Question

Asked by: gamingmaster
Subject: Self balancing gyro bike
Question: Hello everyone. I tried to make a self balancing bike based on gyroscopic effect.
First, I designed the frame for it with wheels(two). The total length of the setup is 1250 mm.
Then,
I made a gaint revolving disk driven by a motor. A mass of 8 KG is made to revolve at 2000 RPM which is mounted on a gimbal that allows the frame of the disc to move front and back to provide self balancing.

When I run the setup and expected it to stand without support the bike just fell to its side. I cant understand why this has happened. I would be happy if anyone could help. I can provide u with pics of my setup if u are interested.

Thanks
Date: 23 March 2014
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Answers (Ordered by Date)


Answer: jim demello - 10/05/2014 13:48:02
 The gyro needs to freely precess which means it needs to mounted on a gimble and mounted with the axis of rotation vertical. Then the center of mass needs to be above the gimble a little. The gimble axis should be perpendicular to the the roll of the bike, so the rotor will swivel up and down facing the front and rear wheels. The motor will be mounted above the rotor. Should work then.

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