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Ensellitis
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Quote Ensellitis Replybullet Topic: Looking for servos
    Posted: 23 May 2007 at 4:41pm
I need 12 servos.

The need to have a clockwise movement, 90 rotation, and operating voltage of 4.8 to 6 volts.  Preferably all the same model.

I don't have much cash, but I can offer hosting (1yr, domain registration (whatever.com/net/org), mysql db, etc) and a custom XHTML 1.0 strict design.
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jalonso
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Quote jalonso Replybullet Posted: 23 May 2007 at 7:57pm
I'd love to help out but I don't have them since I don't even know what a servo is :/
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ceddo
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Quote ceddo Replybullet Posted: 24 May 2007 at 9:33am
Define: servo
The electro-mechanical device which moves the control surfaces or throttle of the airplane according to commands from the receiver. The radio device which does the physical work inside the airplane.

Obviously!
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Feron
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Quote Feron Replybullet Posted: 24 May 2007 at 12:59pm
A Servo is a small device that has an output shaft. This shaft can be positioned to specific angular positions by sending the servo a coded signal. As long as the coded signal exists on the input line, the servo will maintain the angular position of the shaft. As the coded signal changes, the angular position of the shaft changes.

not neccesarily for planes, but yes remote planes would be a good use for them. Why do you need them ens?
hmmmm.
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Ensellitis
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Quote Ensellitis Replybullet Posted: 24 May 2007 at 1:53pm
i need them for a robotic hand
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jalonso
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Quote jalonso Replybullet Posted: 24 May 2007 at 2:24pm
Wore out your real ones, huh?




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Ensellitis
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Quote Ensellitis Replybullet Posted: 24 May 2007 at 2:33pm
trying to get a grant/scholarship 
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PixelSnader
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Quote PixelSnader Replybullet Posted: 24 May 2007 at 2:54pm
does not compute.   3 joints per finger+ 2 for a thumb = 14

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Ensellitis
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Quote Ensellitis Replybullet Posted: 24 May 2007 at 4:04pm
the proximal inter phalangeal and distal inter phalangeal joints are going to use one servo, the DIP is going to be passively following the PIP joint, like the common human hand, and one servo for the metacarpal phalangeal joint.

and these are just for the prototype.  then final will have one servo for each joint +1 for the side to side finger motion, 3 for the thumb, stepper motor for wrist rotation, and 2 servos for the horizontal and vertical motions.

the whole thing is going to made of 2*2 670g twill weave carbon fiber, that will make it light enough to give alot of control using the cable system even if i use only 1 servo for the DIP and PIP as long as i configure the pulleys just right.
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dragonrc
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Quote dragonrc Replybullet Posted: 25 May 2007 at 12:09am
Ebay an option? I don't know how much you are willing to spend, there are many people that sell em cheap. But the shipping costs are expensive though...
 
 


Edited by dragonrc - 25 May 2007 at 12:10am
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Ensellitis
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Quote Ensellitis Replybullet Posted: 25 May 2007 at 8:43am
"I don't have much cash"
that means i dont have that much cash...

" I need 12 servos ... Preferably all the same model."
yeah, good idea...  lets spend $5 per servo (that i dont have) and another $5-20 in shipping per servo...  ebay is never good fo bulk items like this.  period




Edited by Ensellitis - 25 May 2007 at 8:43am
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AdrianJensen
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Quote AdrianJensen Replybullet Posted: 26 May 2007 at 4:06pm
You're building a robotic hand?
If I had them I would hook you up for free, just because of what you are doing.  Unfortunately I do not, which makes this a pointless post.

Anyhow, good luck :/
My gallery lives here:
http://www.pixeljoint.com/p/8355.htm?pg=1&sec=icons
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