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"Tobbe Arnesson" <StPnAtM@lotek.nu> wrote in message
news:HEtrzr.1EBt@lugnet.com...
>
> So there is no system to "suck" it back in apart from ol' gravity? True • they
> are almost always used to tip lorry beds and rise elevators and such.
While some are certainly single acting, double acting versions are
available:
http://www.fireservice.co.uk/equipmentrta.php
There are better examples than this kicking around, I found one a while ago
with an exploded diagram showing the inner workings. It made my head hurt
trying to work it out.
The double acting ones seem to be used where gravity is not available for
closing,
such as applications on ejector "tipping" mechanisms used on dustcarts etc.
Jennifer
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Message has 2 Replies:
 | | Re: Custom Pneumatic Parts
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| (...) They need to be more bulky for starters but I think I know how to make one. It would be a nightmare to build one in 1:20 scale that does not leak too much though (at least for me without proper industrial tools). I won't try to explain how (...) (22 years ago, 14-May-03, to lugnet.technic, lugnet.robotics)
| | | Re: Custom Pneumatic Parts
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| (...) Jennifer, Tobbe, Other interested 'Air Heads'; I have used Robart tubing and "T" couplers with the Lego pneumatic cylinders, valves, etc. The tubing is not quite as flexable as the Lego tubing but it works pretty well. The barbed "T"s are a (...) (22 years ago, 14-May-03, to lugnet.technic, lugnet.robotics)
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Message is in Reply To:
| | Re: Custom Pneumatic Parts
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| (...) So there is no system to "suck" it back in apart from ol' gravity? True they are almost always used to tip lorry beds and rise elevators and such. (...) I know, I'm actually old enough to own a few of them :) Thanks! Best regards, /Tobbe (URL) (...) (22 years ago, 13-May-03, to lugnet.technic, lugnet.robotics)
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