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Old 01-19-2009, 08:21 AM   #16
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Originally Posted by Duster_360 View Post
Freash 2S lipo will be at 8.4v, servos generally aren't rated for that high of a voltage. 8.4v will burn some servos out. This one will run 8.4v and not require a voltage regulator.
Fresh 6-cell sub-c NiMH packs aren't quite exactly "7.2V" either. I have ran Hitec's H645MG servos with a six-cell NiMH, they don't blow up but they sure do get hot quickly!

If you guys want the biggest bang for your buck, take a look at Hitec's HSR-5990TGs, they are almost half the price of that JR servo:

http://www3.towerhobbies.com/cgi-bin...?&I=LXRRC5&P=7

I don't know if any RC application will require that much torque at this size... That servo was really built for robotics. I had 18 (yes, eighteen) of these 5990TGs at one point in my biped robot (which I sold, the robot is featured in the new Robot magazine with the new owner )

If you guys can kludge this in, this is the KING of the hobby-grade monster torque:

http://www.trossenrobotics.com/dynam...-actuator.aspx

Now THAT is torque...
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Old 01-19-2009, 08:28 AM   #17
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Originally Posted by tom_chang79 View Post
Fresh 6-cell sub-c NiMH packs aren't quite exactly "7.2V" either. I have ran Hitec's H645MG servos with a six-cell NiMH, they don't blow up but they sure do get hot quickly!

If you guys want the biggest bang for your buck, take a look at Hitec's HSR-5990TGs, they are almost half the price of that JR servo:

http://www3.towerhobbies.com/cgi-bin...?&I=LXRRC5&P=7

I don't know if any RC application will require that much torque at this size... That servo was really built for robotics. I had 18 (yes, eighteen) of these 5990TGs at one point in my biped robot (which I sold, the robot is featured in the new Robot magazine with the new owner )

If you guys can kludge this in, this is the KING of the hobby-grade monster torque:

http://www.trossenrobotics.com/dynam...-actuator.aspx

Now THAT is torque...
All the Crawler guys are using the 5990TG. I used them in a crawler project and they are a great hi torqe servo for the money.
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