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Servo Tester

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Old 08-04-2005, 05:50 AM
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IGOS R/C
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Hi you !

I need help to homebuild a servo tester to check some unlabeled second hand multiplex. Thanks for any help.

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Old 08-04-2005, 08:15 AM
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Hi you !

In time.

The tester is just to verify the torque force.

Sorry.

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Old 08-04-2005, 04:46 PM
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Default RE: Servo Tester

What aout using a digital fishing scale?
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Old 08-04-2005, 10:11 PM
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Default RE: Servo Tester

Use a one inch arm and fishing weights tied to a lead. Ounces is ounces... The one inch arm is important.

Most standard size servos are at least 48 oz-in. Torque specified. 48/16 is 3lbs.
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Old 08-05-2005, 08:30 AM
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Hi JNorton and Mglavin !!

Thank you very much for your hints. I will fit the servos which I intend to check on a 1/8" ply, use a 1" arm, use fishing pre weighted, hang up everything and run the test. That's all.

Thanks again.

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Old 08-05-2005, 10:35 AM
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JNorton
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IGOS R/C,

Make a pointer on the end of the 1" arm and put a degree wheel or a protractor behind the pointer. Then you can tell what type of accuracy you are getting relative to the weight.

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Old 08-05-2005, 02:30 PM
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Thanks again John.

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Old 08-08-2005, 12:58 PM
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Default RE: Servo Tester

Instead of an arm use a 1"wheel attached to the top of an arm. Then you don't have to correct for the geometry of the arm. Also a dial indicator is much better than a pointer. Just attach it to the wheel with a string. A cheap dial indicator is accurate to .001 in.
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Old 08-09-2005, 05:36 AM
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Hi !

Thanks for your input Dirtybirdi.

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