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Going from this compressor from CSSOH (the guru of pneumatics)--
http://www.fifth-r.com/cssoh1/compress/compbuggy.htm
He was using an RC motor to power 1 mini-pump. I used it (slightly modified)
for running my new 'steam' engine, 'Big Blue'--
http://news.lugnet.com/org/ca/rtltoronto/?n=16858
The issue is, as pointed out by CSSOH, the cylinder gets pretty hot, and 1
mini-pump isn't as good as multiple mini-pumps.
Ralph's quad pump (as discussed at the end of this
thread--http://news.lugnet.com/technic/?n=15417 ) is phenominal, but,
unfortunately, it wasn't enough to run Big Blue continuously.
Ralphs compressor will, however, run on LDCC very nicely, but CSSOH's RC motor
compressor, when the air pressure becomes too great, will just stall.
So a little dillying and dallying in front of parts 'n pieces, I came up with
this--
http://sandysparky.net/gallery/20061108_pneumatic_compressor_1
4 mini-pumps on an RC motor. The pumps are geared down on the RC motor output
from an 8t to 24t (so 1/3rd the speed), which adds torque (for LDCC
anti-stalling purposes), but still, at least by my observation, runs faster than
Ralphs quad compressor.
Now I haven't run this RC pump setup continuously for a few hours--the
predessessor to this pump (with 2 cylinders) ran for most of the Hobby Show and
had lots of plastic dust to show for it. I'm hopeing that the reinforcing will
alleviate the plastic dust issue.
Anyway, there it is if ya wanna try it out.
Dave K
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Message has 2 Replies:
 | | Re: Pneumatic compressor
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| In lugnet.org.ca.rtltoronto, David Koudys wrote: <snip> (...) <snip> I forgot to mention that I did try 16t gears across, instead of 8t in the centre and 24t on the ends, and it did run. Unfortunately, not alotta torque and the compressor stalled at (...) (18 years ago, 8-Nov-06, to lugnet.org.ca.rtltoronto, lugnet.technic)
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