Question |
| Asked by: |
Sh. Yazdani |
| Subject: |
precession torque in gyro |
| Question: |
Hi,
It is very important for me to know if we apply a tilting torque to a gyroscope (for example 5 NM), how much is its precession torque (reaction of gyro)? Is it the same 5NM or another value? How much is it?
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| Date: |
17 January 2008
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Answers (Ordered by Date)
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| Answer: |
Harry K. - 21/01/2008 10:52:30
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| | You should give the answer by your own if you think a little bit:
To stop precession you have to apply a counter force against precession direction with the same value as the tilting force. Therefore tilting torque and precession torque must have the same value as well.
However, as soon as a counter torque is applied agains precession movement, the gyro in precession is out of balance and hence the gyro will move in tilting direction. That's the reason why a gyro drops over the time in tilting direction because of a counter torque caused by friction in the bearings.
Regards
Harry K.
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| Answer: |
Sh. Yazdani - 21/01/2008 11:19:55
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| | thank you Harry K
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