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Subject: 
Re: Pneumatic Tanks
Newsgroups: 
lugnet.robotics
Date: 
Thu, 14 Jan 1999 13:45:18 GMT
Original-From: 
Ian Sinclair <SINCLAIR@CADVISION.COMstopspam>
Viewed: 
3169 times
  
On Tue, 5 Jan 1999 21:43:34 GMT, you wrote:

> Peter Baggiolini wrote
> 
> > Anyone know where I can
> > get these individually, or a less expensive alternative?
> 
> 
> I detailed making a plastic bottle tank in an previous post on Pneumatics
> 
> ...The storage tank I eluded to above is made from a 1 litre plastic pop
> bottle.  I haven't pressurized it until the pumps bleed off excess, because
> I am afraid it will blow.  Take the lid, remove the lid liner, punch two
> holes in the lid and awl out with scissors, cut two small (slightly smaller
> than tube diameter) holes in the liner corresponding with the lid's holes,
> add tubes through the lid and liner... if the holes are small enough they
> are self sealing.  I wouldn't recommend drilling the holes because the holes
> might  be too clean and not  self-seal as well.  "Pushing" the holes through
> the lid improves sealing...
> 
> The whole post can been seen at:
> http://www.lugnet.com/news/display.cgi?lugnet.build:245
> 
> I have heard of people using film canisters, and small plastic pill
> bottles... I think anything will work if modified in the above way.
> 
> Good Luck
> LINC

Linc, thanks for posting that reference.

I was interested in the tank stuff, but was even happier to discover
your micro-moter controlled pneumatic switch at:
http://www.members.home.net/ourcreations/pictures.htm


I was having a horrible time coming up with a compact controllable
switch for use on RCX robots. I had been thinking about reduction
gearing driving a push/pull setup, but knew it wasn't going to be a
very good solution.

Your worm/gear/lever combo is fantastic.

I'm curious how long it took you to come up with that design?  :-)

Now, I just have to acquire some micro-motors...  :-)

Your Mars rover is also very good.


<ICS>
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics



Message has 1 Reply:
  Re: Pneumatic Tanks
 
Ian Sinclair wrote in message (...) That design was in response to a thread that was discounting pneumatics because their controls systems were "too big" and overall usefulness wasn't much. So I kinda wanted to undercut the complaint, since I like (...) (28 years ago, 14-Jan-99, to lugnet.robotics)

Message is in Reply To:
  Re: Pneumatic Tanks
 
Peter Baggiolini wrote (...) I detailed making a plastic bottle tank in an previous post on Pneumatics ...The storage tank I eluded to above is made from a 1 litre plastic pop bottle. I haven't pressurized it until the pumps bleed off excess, (...) (28 years ago, 5-Jan-99, to lugnet.robotics)

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