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Hi Robbie,

        Thanks for your observations.  Quite some time ago I was cybersponding 
with someone whose name I cannot now recall (and I'm too lazy to try to find 
the message traffic).  He had some background on the CC-3 and in fact sent me 
one of the (unassembled) valves.  Very impressed by the engineering that went 
into it (didn't Wayne Stahnke do the basic design?) but would have guessed the 
cost to replicate would have been closer to $20/valve!

        As far as my valve's performance goes, I really don't have very 
sophisticated test equipment but I do know that it will open against over 200" 
w.c. vacuum, perhaps as high as 300".  Repetition is at least as fast as I can 
possibly push a button switch (maybe 10 cps?) but could be higher.  I have no 
way of measuring this precisely, nor the decrease in repetition rate that 
would presumably accompany increasing applied vacuum.  Richard Tonnesen did 
perform some basic response time tests for me but I cannot put my fingers on 
his report right now. [Richard, do you still have this data?  Can I get 
another copy?  Sorry for the hassle.]  The solenoid slug is .150" diameter by 
about .850" long, not exactly "massive".  Sounds similar to the one you 
describe.

        Robbie, if you have the means to do performance tests on the valve, I 
will make one available to you.  I'll need your mailing address as I don't 
think it will propagate through the 'net very well!

--------------------------------------------¶
Name: GENIUS¶
E-mail: ir004161@interramp.com (GENIUS)¶
Date: 12/01/95     Time: 10:50:23¶
"Every creative act results from a sudden cessation of stupidity."  
 -Edwin H. Land, inventor of the Polaroid Land Camera¶
"Help stamp out superfluous redundancy." -Genius¶
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