[Robotgroup] [Q] Animating a worm ?

[Gray Mack]

Does the wriggling mechanism/power supply need to be fully embedded in the worm? Else, how far away can/must the worm be from the driving system which might be housed in an external box?
What type of wriggling? back&fourth, circular, random, vibrating, inch-worm like?
Any other special parameters such as water-proof?

Although most solenoids are noisy having a metal-metal contact stop at the end of travel, that need not be the case. A magnet-coil combination can cause movement without contact. 
Or maybe try a geared down motor driving a stiff wire with some bend at the end so that it forms a cam inside the worm. 
-Gray

----- Original Message ----
From: Def Egge <robodigest at innervate.com>
To: The Robot Group <robotgroup at puremagic.com>
Sent: Wednesday, March 14, 2007 12:41:48 PM
Subject: [Robotgroup] [Q] Animating a worm ?


I am looking for suggestions for a way to animate (simulate the 
wriggling of) a soft-bodied, plastic fishing worm.  Circular solenoid 
[noisy ... clicking] ?  Servo [noisy ... whirring]?

Previously, I'd accomplished this by drinking to the bottom of a 
bottle of mezcal con gusano.  ;-)  I seek a better way.  Thanks.


All the best....

Mike

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