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Unread 28-09-2005, 21:48
Gdeaver Gdeaver is offline
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Re: Building fully flexible tail (several joints) with minimal actuation required

I've seen fiber optic inspection tools that have a range of motion similar to what you want. I've never seen the the guts but I believe they are a stiff rubber or plastic tube with a spring cable inside. The twisting motion is caused by winding and unwinding the spring cable with a nob. One unit had 2 nob's so maybe there was a spring cable inside of a spring cable. That unit had a very wide range of motions. For the older posters how are those things controlled that doctors stick up your b-t ?