I know this is extreme, but I use a diving cylinder for aeration. If you know of a dive shop, I'm sure they could help out with a regulator and cylinder. A 12 litre cylinder charged to 200 bar gives approx 15 hours of washing. A fill costs around £1.50 here in uk. Diving air is free of any contaminants too. Ian
----- Original Message ----- From: Dana Linscott <[EMAIL PROTECTED]> To: <biofuel@yahoogroups.com> Sent: Wednesday, June 06, 2001 2:15 PM Subject: Re: [biofuel] Washing BD > I would suggest that an inline pressure accummulator > tank and a valve to your aerator stone would be a wise > move if you are using a fridge compressor since they > are not designed to run continuously. Also, since they > are free it may also be wise to hook up several to a > "manifold" leading to the tank. It is then a simple > matter to hook a pressure cutoff switch to the tnak > and use it to control the compressors on/off cycles. > Iff one poops out (and you notice) replace it with a > spare. We used small dia. rubber hose slipped over the > outlet tubes and secured with hose clamps connected > together with inexpensive plastic "tees". > > Dana > --- [EMAIL PROTECTED] wrote: > > > > Those hermetically sealed fridge compressor are not > > that suitable. Their > > motor windings insulation are meant for gas cooled > > and not air cooled. > > Therefore the compressor need to run constantly and > > cannot be cycled( by > > pressurestat) > <snip>. > > > > > > > __________________________________________________ > Do You Yahoo!? > Get personalized email addresses from Yahoo! Mail - only $35 > a year! http://personal.mail.yahoo.com/ > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > Please do NOT send "unsubscribe" messages to the list address. > To unsubscribe, send an email to: > [EMAIL PROTECTED] > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > > Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
