Subject:
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Re: Identify this pneumatic piece
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Newsgroups:
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lugnet.build
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Date:
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Fri, 23 Oct 1998 14:33:00 GMT
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Viewed:
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2627 times
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Sean Kenney writes:
> > > The piece has no valves or anything in it - it's just a hollow
> > > brick with 3 nozzles on it.
> >
> > It is? I always thought there were some kind of valves inside it
> > which split the air into different nozzles depending on the air
> > flow direction.
>
> Well, okay, I never opened one up. But if you think about how it
> operates - it's pretty basic.
After seeing the diagram in that old Technic set, it makes more sense that
this is a valve block, without valves somewhere the piston would just slide
back down. Which leads me to think that the pneumatic switch is different now
and has integrated valves.
Anyway, I can see that a valve block might come in handy one day!
Also, another piece I got was a light sensor in a 2x3 black brick. It also has
a hole through one end. It seems to be so that you can put an axle through it,
attach a thin pulley wheel, and have the sensor detect the pulley going round,
because the holes in the pulley line up with the sensor. I presume this is a
4.5V part, but does anyone know if it works with Mindstorms?
Matt
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Message has 3 Replies:
 | | Re: Identify this pneumatic piece
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| Hopefully this will clear up the subject of exactly what piece we are talking about. The one I am trying to describe can be found in set 8040. I have a scan of one page in the instructions which illustrates the piece I have in mind. (URL) this piece (...) (26 years ago, 23-Oct-98, to lugnet.build)
| | | Re: Identify this pneumatic piece
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| Matthew Bates wrote in message ... (...) Which leads me to think that the pneumatic switch is different now (...) Actually, no. The crucial difference between the old and the new pneumatics system is that the old one used both pressure and suction, (...) (26 years ago, 26-Oct-98, to lugnet.build)
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