Subject:
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Re: SSClagorpion - Compressor
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Newsgroups:
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lugnet.technic
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Date:
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Sat, 22 May 2004 23:58:20 GMT
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Viewed:
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19777 times
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In lugnet.technic, Mark Bellis wrote:
> You can minimise 1. by using flex tubing for the straight tubes and pneumatic
> tubing only for the curved tubes and in places where flexibility is
> necessary. This will reduce the balloon effect and increase efficiency.
> Test this with a 5m long pneumatic tube between the cylinder and compressor -
> see how much longer it takes to get up to pressure than with a 5cm tube!
Lessee, 5m tube vs. 5cm (or .05m) tube...I'd guess something approaching 100x as
long? :) I'm guessing you meant to type something a little different there...
Anyways, by my eye, the flex-system tube OD is roughly the same as the OD of the
pneumatic nipples. I'd be worried about how painful (both physically and
mentally) it might be to attach all of those hoses and how easily they might
split under pressure. I just tried to attach one and I couldn't even get it
started, so I'm very curious how you go about doing it. Do you use a short stub
of pneumatic tubing as a sleeve coupler, or have you actually managed to cram
one of those things onto a pneumatic nipple?
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Message has 1 Reply:
 | | Re: SSClagorpion - Compressor
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| (...) Yes, the 100x length difference will give a significant balloon effect. I suppose realistically 40cm to 5cm would be a fairer comparison. Set 8868 came with a 5m bundle of pneumatic tube. The use of flex tubing in sets began with sets 8837 (...) (21 years ago, 23-May-04, to lugnet.technic)
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Message is in Reply To:
| | Re: SSClagorpion - Compressor
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| (...) The limiting factor with the speed of the model is composed of two things: 1. The total volume of air between the valve that is switched and the cylinders that were previously supplied before the valve was switched. 2. The rate of supply of (...) (21 years ago, 22-May-04, to lugnet.technic)
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