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| Wed 30 Jun 10, 4:29 PM fundomuk UK(NW), 7 yrs   |
Hopefully an electrical engineer or someone who knows a lot about electrical motors gets to see this post. I came across some Electromechanical Linear Actuators at work the other day (I needed to look that up btw) and wondered why these are not used more often in fucking machines rather that the normal electrical rotary motor with an arm (again looked that up)
For those interested in what a Linear Actuator is see the link below but in a nutshell it is an electric motor driven arm that goes in and out, in and out (getting the picture now http://en.wikipedia.org/wiki/Linear_actuator So the idea my deviant mind had when I saw one was what a great idea for a fucking machine if you can find a motor of this type that has a controllable/variable but hi stroke count (I guess you want at least 60 per minute - girls help here) as well as a controllable extension length (lets say 1 inch to 5 inches) and then all you need is a bit of handy work to make a frame to attach the motor to and viola, you have the basics of a compact, neat, inexpensive fucking machine. So the next step was to google Linear Actuator motor and oh boy, was that a mistake. Millions of options flooded in boggling my poor brain. So here is the challenge: Anyone who has more than a passing knowledge of these things could maybe give a link for the greater perv community on what is the best motor if one exists or otherwise shoot down my idea as crap.
oh alright then .. but only one more | |
| 30 Jun 10, 4:32 PM fundomuk UK(NW), 7 yrs |
Bugger, some admin please delete. This should have not gone on this board. Will repost in the correct place which is now http://www.informedconsent.co.uk/posts/276784/ oh alright then .. but only one more Edited 30 Jun 10, 4:45 PM by fundomuk | |
| 30 Jun 10, 4:51 PM Prior UK, 12 yrs |
I can't answer your question directly but I can give my own views on why linear actuators are not quite as ideal as they might, at first, seem. Although they are - as you point out - capable of a wide range of motion, a relatively complex control circuit is required to control this motion. On the other hand, the more commonplace rotary motor with the drive converted to linear by means of a pulley wheel and shaft is relatively easy to build from readily-available components. It is also a happy coincidence that this type of machine delivers a thrust which varies slightly in speed throughout each stroke and approximates more closely to the real thing. |
) but in a neat compact frame. The key features are stroke count per minute, arm extension length and force that it generates against an movable object (again google was my friend) 