X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-da02.mx.aol.com ([205.188.105.144] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4494187 for flyrotary@lancaironline.net; Tue, 05 Oct 2010 14:35:52 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.188.105.144; envelope-from=Lehanover@aol.com Received: from imo-ma04.mx.aol.com (imo-ma04.mx.aol.com [64.12.78.139]) by imr-da02.mx.aol.com (8.14.1/8.14.1) with ESMTP id o95IZAiZ023949 for ; Tue, 5 Oct 2010 14:35:10 -0400 Received: from Lehanover@aol.com by imo-ma04.mx.aol.com (mail_out_v42.9.) id q.f05.a544aa3 (37047) for ; Tue, 5 Oct 2010 14:35:07 -0400 (EDT) Received: from magic-m20.mail.aol.com (magic-m20.mail.aol.com [172.20.22.193]) by cia-db03.mx.aol.com (v129.4) with ESMTP id MAILCIADB035-90b74cab6fdb206; Tue, 05 Oct 2010 14:35:07 -0400 From: Lehanover@aol.com Message-ID: <152cc1.2e693170.39dcc9db@aol.com> Date: Tue, 5 Oct 2010 14:35:07 EDT Subject: Re: [FlyRotary] Re: Permanent Magnet Alternators To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_152cc1.2e693170.39dcc9db_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_152cc1.2e693170.39dcc9db_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit I have an electric motor for my model planes that has extremely powerful magnets and a dozen or so coils. It is call an outrunner. No brushes. Coils are stationary. The magnets are in the outer shell which rotates. Ball bearings. Very well made. three wires out in a "Y" winding pattern. Just 3 diodes makes it an alternator with a DC output. Weight is under one pound. Can take up to 40 amps as a motor. Unknown as an alternator. Flies a 6 pound model. _http://www.hobbypartz.com/monsterpower-46--670kv--outrunner-brushless-motor .html_ (http://www.hobbypartz.com/monsterpower-46--670kv--outrunner-brushless-motor.html) They come in many sizes and capacities. A motor controller is used to generate a moving flux field to make it a motor. These are very high efficiency motors and were designed for disc drive in computers. They are electrically quiet and are brushless. Could make a very compact RAT. Ram Air Turbine emergency power source. Maybe enough for ignition anyway. Available in hundreds of sizes down to pencil eraser size. Just a thought. Lynn E. Hanover --part1_152cc1.2e693170.39dcc9db_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

I have an electric motor for my model planes that has extremely power= ful=20 magnets and a dozen or so coils.

It is call an outrunner. No brushes. Coils are stationary. The magnet= s are=20 in the outer shell which rotates.

Ball bearings. Very well made. three wires out in a "Y" winding patte= rn.=20 Just 3 diodes makes it an alternator

with a DC output. Weight is under one pound. Can take up to 40 amps= as a=20 motor. Unknown as an alternator. Flies a 6 pound model.

http://www.hobbypartz.com/monsterpower-46--670kv-= -outrunner-brushless-motor.html

They come in many sizes and capacities. A motor controller is used to= =20 generate a moving flux field to make it a motor.

These are very high efficiency motors and were designed for disc driv= e in=20 computers. They are electrically quiet and are brushless.

Could make a very compact RAT. Ram Air Turbine emergency power source= .=20 Maybe enough for ignition anyway.

Available in hundreds of sizes down to pencil eraser size.

Just a thought.

Lynn E. Hanover

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