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Tech Tip - Servo Torque Illustration

Old 02-21-2017, 05:06 PM
  #1  
ServoCity
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Default Tech Tip - Servo Torque Illustration

You can look at servo torque all day on paper, but we thought we'd give you a visual understanding what some of those specs end up looking like compared to other servos side by side.

https://www.youtube.com/watch?v=9I2Q7Z7mSC0&t=3s


HS-311 Servo https://www.servocity.com/hs-311-servo
HS-645MG Servo https://www.servocity.com/hs-645mg-servo
HSB-9380TH https://www.servocity.com/hsb-9380th-servo
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Old 02-22-2017, 01:10 AM
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birdDog
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Fun video. I am assuming there is not, but is there a standard employed across different brands in length of moment for gauging these specs?
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Old 02-22-2017, 01:40 AM
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dereckbc
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Well assuming you did not sleep through math and science classes, if you even bothered to take classes, use 12:1 to visualize.

Foot Pounds is easier to visualize. It takes 12 inch-ounces to equal 1 ft-lb. So if that servo arm is 1 foot long 12 inch pounds will lift 1 pound.

Cool video though.
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Old 02-22-2017, 02:03 AM
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Originally Posted by dereckbc View Post
Well assuming you did not sleep through math and science classes, if you even bothered to take classes, use 12:1 to visualize.

Foot Pounds is easier to visualize. It takes 12 inch-ounces to equal 1 ft-lb. So if that servo arm is 1 foot long 12 inch pounds will lift 1 pound.

Cool video though.
12 oz in is .0625 ft lbs

So lets say with 44oz-in servos I can expect 44oz at 1 inch from the rotational axis, perpendicular to the arm?
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Old 02-22-2017, 03:09 AM
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Originally Posted by birdDog View Post
12 oz in is .0625 ft lbs

So lets say with 44oz-in servos I can expect 44oz at 1 inch from the rotational axis, perpendicular to the arm?
You are right, had a brain fart of inch pounds to foot pounds. Left a step out of factoring out 16 ounces. My bad. That is why I am an electrical engineer and not mechanical.
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Old 02-22-2017, 03:26 AM
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Hell, I'm a journeyman machinist and just learned that. Don't tell my peers.
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Old 02-22-2017, 04:21 AM
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Originally Posted by birdDog View Post
Hell, I'm a journeyman machinist and just learned that. Don't tell my peers.
Well heck lets make a deal. You delete your post, and I will delete my post.
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Old 02-22-2017, 11:58 AM
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Originally Posted by dereckbc View Post
Well heck lets make a deal. You delete your post, and I will delete my post.
lol nah, this post made my morning.
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