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Subject: 
RE: RCX Controlled Air Compressor Tester
Newsgroups: 
lugnet.robotics, lugnet.build, lugnet.robotics.rcx
Date: 
Wed, 29 Sep 1999 14:36:47 GMT
Viewed: 
1237 times
  
The page on compressor comparisons is really informative. I'm
honoured that you felt my design was worthy of testing.

The reason I made it a two stroker was to "balance" the load
on the driving system. Michael Powell's compressor tends to
"lump" along as the pressures get high, while mine seems to
lump at twice the rate :-)

The gears were chosen over the more effective pulley because
it minimised parts and drivetrain issues. I can tell you that
arranging three 24T gears in a compact fashion WAS a bit
of a challenge, as was keeping the compressor together under
pressure.

I hope the images were clear enough to figure out how to put it
together. I had trouble figuring out how to take it apart!

Thanks again for an informative article, and keep on pumpin!

<http://www.hempeldesigngroup.com/lego/compressor>

Cheers,

Ralph Hempel - P.Eng

--------------------------------------------------------
Check out pbFORTH for LEGO Mindstorms at:
<http://www.hempeldesigngroup.com/lego/pbFORTH>
--------------------------------------------------------
Reply to:      rhempel at bmts dot com
--------------------------------------------------------



Message has 2 Replies:
  Re: RCX Controlled Air Compressor Tester
 
Hello Ralph... I have built your original compressor from the photos you provide. I really like its form, rigidity and functionality. A great design. I plan to modify mine tonight into a full stroke design as some have suggested. All you need do is (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build)
  Re: RCX Controlled Air Compressor Tester
 
(...) Hi, Ralph Your double-acting pump is still a cool design. I like the futuristic look. It was quite easy to build from the pictures. I had to substitute for the tall sloped brick but otherwise I followed the images faithfully. Of course, I'm (...) (25 years ago, 30-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)

Message is in Reply To:
  Re: RCX Controlled Air Compressor Tester
 
(...) Thanks, It could possibly be done but I've not tried it. It would have made the air compressor tester more complicated than necessary. As you can see I'm really a minimalist. One of the design goals was to keep it simple yet fully functional. (...) (25 years ago, 29-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)

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