X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-da06.mx.aol.com ([205.188.169.203] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4494452 for flyrotary@lancaironline.net; Tue, 05 Oct 2010 17:50:50 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.169.203; envelope-from=Lehanover@aol.com Received: from imo-da01.mx.aol.com (imo-da01.mx.aol.com [205.188.169.199]) by imr-da06.mx.aol.com (8.14.1/8.14.1) with ESMTP id o95Lo5ie030242 for ; Tue, 5 Oct 2010 17:50:06 -0400 Received: from Lehanover@aol.com by imo-da01.mx.aol.com (mail_out_v42.9.) id q.e46.ab7a164 (34946) for ; Tue, 5 Oct 2010 17:50:00 -0400 (EDT) Received: from magic-d19.mail.aol.com (magic-d19.mail.aol.com [172.19.155.135]) by cia-da05.mx.aol.com (v129.4) with ESMTP id MAILCIADA057-88824cab9d88399; Tue, 05 Oct 2010 17:50:00 -0400 From: Lehanover@aol.com Message-ID: Date: Tue, 5 Oct 2010 17:50:00 EDT Subject: Re: [FlyRotary] Re: Permanent Magnet Alternators To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_ca3f8.7a67d97b.39dcf788_boundary" X-Mailer: 9.0 Security Edition for Windows sub 5381 X-AOL-IP: 173.88.9.178 X-Spam-Flag:NO X-AOL-SENDER: Lehanover@aol.com --part1_ca3f8.7a67d97b.39dcf788_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit In a message dated 10/5/2010 4:47:46 P.M. Eastern Daylight Time, echristley@nc.rr.com writes: Lynn, do you have any documentation stating a max RPM? -- In the tech data the KV rating times the voltage applied gives you the prop RPM per volt. Usually 11.7 or 22 volts from Lipo batteries. Virtually unlimited RPM as an alternator, as no copper is moving at all. No brushes to wear out or sparking. For example a 670KV motor with 11.7 volts and a medium size prop about an 11" by 6" will turn up 7,839 RPM. You can hover a 5 pound 60" wingspan plane with that. They don't even get hot. Mine was $28.50. Lynn E. Hanover --part1_ca3f8.7a67d97b.39dcf788_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable
In a message dated 10/5/2010 4:47:46 P.M. Eastern Daylight Time,=20 echristley@nc.rr.com writes:
Lynn, do=20 you have any documentation stating a max=20 RPM?

--
In the tech data the KV rating times the voltage applied gives you th= e prop=20 RPM per volt. Usually 11.7 or 22 volts from Lipo batteries.
 
Virtually unlimited RPM as an alternator, as no copper is moving at= all. No=20 brushes to wear out or sparking.
 
For example a 670KV motor with 11.7 volts and a medium size prop abou= t an=20 11" by 6" will turn up 7,839 RPM. You can hover a 5 pound 60" wingspan pla= ne=20 with that. They don't even get hot. Mine was $28.50.
 
Lynn E. Hanover
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