hydraulic /pneumatic cylinders

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hydraulic /pneumatic cylinders TT_Man 05-30-2008
Posted by TT_Man on May 30, 2008, 3:10 pm
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 can anyone point me in the right direction?.... I want to make a couple of
small ones, running 8-10 bar max to operate the undercarriage on an RC
'plane. Are there any designs around? Size needs to be approx. 20mm bore,
50mm stroke, double acting, single rod.



Posted by mark@ems-fife.co.uk on May 30, 2008, 4:40 pm
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> can anyone point me in the right direction?.... I want to make a couple of
> small ones, running 8-10 bar max to operate the undercarriage on an RC
> 'plane. Are there any designs around? Size needs to be approx. 20mm bore,
> 50mm stroke, double acting, single rod.

That`s a bog standard cylinder.You would buy one far cheaper than
making it.Look on Ebay or try SMC


Posted by Wayne Weedon on May 30, 2008, 5:26 pm
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mark@ems-fife.co.uk wrote:

> That`s a bog standard cylinder.You would buy one far cheaper than
> making it.Look on Ebay or try SMC
>

Stock ones may be a little on the heavy side for RC depending on his
scale. Sounds like a fairly large model with a 20mm bore required.

But at least a stock one will have the correct seals etc.

Wayne....

Posted by mark@ems-fife.co.uk on May 30, 2008, 6:29 pm
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> can anyone point me in the right direction?.... I want to make a couple of
> small ones, running 8-10 bar max to operate the undercarriage on an RC
> 'plane. Are there any designs around? Size needs to be approx. 20mm bore,
> 50mm stroke, double acting, single rod.


Google for smc then search within results for cd85n

Posted by TT_Man on May 30, 2008, 7:14 pm
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>> can anyone point me in the right direction?.... I want to make a couple
>> of
>> small ones, running 8-10 bar max to operate the undercarriage on an RC
>> 'plane. Are there any designs around? Size needs to be approx. 20mm bore,
>> 50mm stroke, double acting, single rod.
>
>
> Google for smc then search within results for cd85n

OK I'll try one... ordered one from RS components.



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