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Old 04-26-2009, 03:40 PM   #1
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Default servo issue

I hooked up a 6v servo to a 6v d/c power pack and the servo arm only travels 5-10 degrees when I push the power button. I need it to travel 90 degrees and stop. Any ideas?
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Old 04-26-2009, 04:39 PM   #2
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Servos don't work that way. They move to whatever position the signal tells them to. If you're just attaching it to a 6V power source, it's not getting any positional signal. It will jerk briefly as it gets power, then just sit there waiting for a position signal.

If you're not using it with a transmitter and receiver, then the signal has to come from somewhere else... you could use a "servo tester" (also known as a "servo cycler") for that purpose. It is a small box with a knob on it. You plug the servo in to it, and the servo's output arm follows to movement of the knob on the box.
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Old 04-27-2009, 12:02 PM   #3
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Just want to know.. Can a servo be powered from different source? as long as the signal wire is plugged into the receiver?

Thanks.
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Old 04-27-2009, 01:16 PM   #4
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Either test the sevo in the car.

Or you need something like this:

_____________________________________________



Test your motor system without using a transmitter and receiver. The SerCon can be used to test servos and throttle control on ESC's.

Features

* Manual mode: turn the knob with different speed, check the reaction time.
* Neutral mode: make the servo go back to the neutral point.
* Automatic 'window wiper' mode: Servo swings like 'window wipers' to their full angles.
* Connect up to 1-3 servos simultaneously
* Test 1-3 servos consistency.
* Connect 1-3 ESC's & test and compare reaction time respectively.
* Connect 3 servos of the CCPM helicopters and select servos.
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