[TheForge] Compressor (Was: OT Threads ?)

[Mike Spencer]

me> Old compressor, Atlas Copco 427 PSI 10 HP.

Steve> Changing the compressor head rotation speed will just change
Steve> how long it takes to reach setpoint pressure.

Changing power, not speed.  The 2 HP 220V motor I have is about the
same RPM as the 10HP 3PH I can't easily use.  The idea was that with
less HP, I'd never get up to the 400+ PSI but I might get up to some
reasonable fraction of that.  If the 2HP runs well enough to support
that idea, then I might go with a 5 or 7 HP.  I'd like to see proof of
concept before I spend $$ on a tank, plumbing, pressure switch etc.

Steve> Is your unit two stage, or does it take more than two stages to
Steve? reach 427psi?

I don't know.  But:

Ralph> Send me a picture of the compressor if you have a chance -
Ralph> maybe that'll help the imagery.

maybe Ralph will know.  Pics at:

   http://home.tallships.ca/mspencer/shop/news/

Ralph, I put them there instead of mailing them so anybody else who
might bail me out of my near-complete ignorance could look, too.

I assume that the two cylinders in series means it's at least 2-stage.
How do you tell if it's 3-stage?  By a third cylinder?  What's that
finned extension on top of the 2nd stage cylinder head?  (I'm trying
real hard not to just take this thing apart.  I have too many things
apart as it is.)


- Mike

-- 
Michael Spencer                  Nova Scotia, Canada       .~. 
                                                           /V\ 
mspencer at tallships.ca                                     /( )\
http://home.tallships.ca/mspencer/                        ^^-^^