Don't use a square wave with a HP laser printer. Probably the other brands too. Don't use square wave with magnetics -- transformers and motors. The higher frequencies manifest as heat.
Kirk -----Original Message----- From: martin [mailto:[EMAIL PROTECTED] Sent: Friday, January 31, 2003 10:42 AM To: biofuel@yahoogroups.com Subject: Re: [biofuel] Homemade inverters. A square wave inverter brings up the interesting question of how the comparatively noisy wave form will affect sensitive things. Do you have any knowledge with a square wave inverter versus a sine wave? kirk wrote: >Ever read Don Lancaster's "magic sinewaves"? >He has very low harmonic content. >Kirk > >-----Original Message----- >From: Steve Spence [mailto:[EMAIL PROTECTED] >Sent: Friday, January 31, 2003 4:44 AM >To: biofuel@yahoogroups.com >Subject: Re: [biofuel] Homemade inverters. > > >try http://webconx.green-trust.org/inverter.htm > >Steve Spence >Subscribe to the Renewable Energy Newsletter >& Discussion Boards. Read about Sustainable Technology: >http://www.green-trust.org >[EMAIL PROTECTED] >----- Original Message ----- >From: "Martin Klingensmith" <[EMAIL PROTECTED]> >To: <biofuel@yahoogroups.com> >Sent: Friday, January 31, 2003 1:38 AM >Subject: RE: [biofuel] Homemade inverters. > > > > >>Well, I haven't seen any good plans yet, I've been looking for a long >>time. I can say, however; that you should definitely not try to use this >>plan: http://www.i4at.org/lib2/inverter.htm >>It will probably waste more energy than it converts for you. >>I would like to try to come up with a good plan for a modified sine wave >>converter. >> >> > > > > -- --- Martin Klingensmith http://nnytech.net/ http://infoarchive.net/ Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ 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/ --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.441 / Virus Database: 247 - Release Date: 1/9/2003 Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ 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/
