Most AC fans of a given size will have a bigger motor than DC fans of the same size. That leaves less cross section for the air, therefore for the same air flow, air will have to move faster and be noisier. It is not a question of 12V versus 120V, its DC versus AC.
Didier KO4BB ------Original Message------ From: Rick Karlquist Sender: time-nuts-boun...@febo.com To: Time-Nuts ReplyTo: rich...@karlquist.com ReplyTo: Time-Nuts Subject: Re: [time-nuts] time-nuts Digest, Vol 79, Issue 31 Sent: Feb 10, 2011 10:37 PM It isn't clear why you need to change to 12V fans. Why not "modern" 120V fans? Rick _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. Sent from my Verizon Wireless BlackBerry _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
