X-Virus-Scanned: clean according to Sophos on Logan.com From: Received: from omr-m007e.mx.aol.com ([204.29.186.9] verified) by logan.com (CommuniGate Pro SMTP 6.2c1) with ESMTPS id 9680200 for flyrotary@lancaironline.net; Mon, 17 Apr 2017 20:01:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=204.29.186.9; envelope-from=Lehanover@aol.com Received: from mtaomg-mcc01.mx.aol.com (mtaomg-mcc01.mx.aol.com [172.26.253.85]) by omr-m007e.mx.aol.com (Outbound Mail Relay) with ESMTP id CEE0F3800053 for ; Mon, 17 Apr 2017 20:00:46 -0400 (EDT) Received: from core-mdx02g.mail.aol.com (core-mdx02.mail.aol.com [10.73.15.165]) by mtaomg-mcc01.mx.aol.com (OMAG/Core Interface) with ESMTP id 0021538000082 for ; Mon, 17 Apr 2017 20:00:45 -0400 (EDT) Full-name: Lehanover Message-ID: <116a3e.697e3d6c.4626b12c@aol.com> Date: Mon, 17 Apr 2017 20:00:44 -0400 Subject: Re: [FlyRotary] Re: Permanent Magnet Backup Generator To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_116a3e.697e3d6c.4626b12c_boundary" X-Mailer: AOL 9.8 sub 2019 X-Originating-IP: [74.140.100.99] DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1492473646; bh=AFrzu5NZiK+x5Saj2CxLU0mm8hZ2v1G5XhWpntLvMLI=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=vSfVFSEX2oAPyhluEDlbjj8Z+pIjWJhdsJrRN7RIDrCO7nVAwjkHgTpjfq9z0bW+B gyXiWIN389XcswnUO061EK9tzA6pSlXip1Pq4hlTAVVLFY8ODQRrp+WkM2YYgwJwki k8yqAe2IZAM7KzjrRBvTO4vw2r+1fVdmKW9Y21hI= x-aol-sid: 3039ac1afd5558f5572d0b1b --part1_116a3e.697e3d6c.4626b12c_boundary Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en Perhaps a look at a large brushless motor as used on model aircraft is in= =20 order. To be spun by the aircraft engine with a belt, or as a RAT or pop= out=20 emergency generator. Happy spinning either direction.=20 Relatively inexpensive. Many prop sizes will fit..............No brushes to wear out. just three= =20 wires. =20 Lynn E. Hanover. =20 =20 In a message dated 4/17/2017 12:19:30 P.M. Eastern Daylight Time, =20 flyrotary@lancaironline.net writes: =20 Great article Todd; I have followed this discussion over the years and=20 would love to have that back-up system on my engine. I just never seem= to=20 have the time or willing to make the time necessary to do it =E2=80=93 if= I ever go=20 through another engine removal or tear down =E2=80=A6 thanks for the eff= ort.=20 Jeff=20 =20 From: Todd Bartrim [mailto:flyrotary@lancaironline.net]=20 Sent: Monday, April 17, 2017 5:32 AM Subject: Permanent Magnet Backup Generator =20 Many years ago we discussed on the list various ways to implement backup= =20 electrical sources for our electrically dependent engines. A great amount= of=20 discussion was around permanent magnet type of generators. =20 =20 An idea was hatched and discussed, then forgotten. Except I didn't. Some= =20 years and a few sleepless nights later I set upon achieving this. Most of= =20 the work was done and reported to the list quite a few years back, but at= =20 that time I knew I had to set it aside for some time as I had other=20 commitments.=20 =20 At last report I had finalized the mechanical aspect but had made no=20 attempt to integrate it into the electrical system. I've now finalized th= is and=20 yesterday ran the engine for the first time. Everything worked excellent!= =20 So far it seems to have been a tremendous success. =20 So I have updated my word document of the procedures for this=20 modification. Including a wiring diagram.=20 =20 For your entertainment I've put it on Google Drive in Word format where= it=20 can be accessed at the following link =20 =20 https://drive.google.com/file/d/0B9-1Iqfk8J8nRmUwWGpLWnRvaWc/view?usp=3Dsh= arin g =20 =20 or for us Linux types in .odt =20 https://drive.google.com/file/d/0B9-1Iqfk8J8ncVBEbVFWQjR3OFE/view?usp=3Dsh= arin g =20 =20 =20 Comments, criticisms welcome =20 =20 Todd Bartrim =20 RV9a 13BTurbo This message, and the documents attached hereto, is intended only for the= =20 addressee and may contain privileged or confidential information. Any=20 unauthorized disclosure is strictly prohibited. If you have received this= =20 message in error, please notify us immediately so that we may correct our= =20 internal records. Please then delete the original message. Thank you.=20 --part1_116a3e.697e3d6c.4626b12c_boundary Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Content-Language: en
Perhaps a look at a large brushless motor as used on model aircraft= is in=20 order. To be spun by the aircraft engine with a belt, or as a RAT or pop= out=20 emergency generator. Happy spinning either direction.
Relatively inexpensive.
Many prop sizes will fit..............No brushes to wear out. just th= ree=20 wires.
 
Lynn E. Hanover.
 
In a message dated 4/17/2017 12:19:30 P.M. Eastern Daylight Time,=20 flyrotary@lancaironline.net writes:

Great=20 article Todd; I have followed this discussion over the years and would= love to=20 have that back-up system on my engine.  I just never seem to have= the=20 time or willing to make the time necessary to do it =E2=80=93 if I ever= go through=20 another engine removal or tear down =E2=80=A6 thanks for the=20 effort.

Jeff

 

From: Todd Bart= rim=20 [mailto:flyrotary@lancaironline.net]
Sent: Monday, April 17,= 2017=20 5:32 AM
Subject: Permanent Magnet Backup=20 Generator

 

Many years ago we discussed on the list various way= s to=20 implement backup electrical sources for our electrically dependent engin= es. A=20 great amount of discussion was around permanent magnet type of=20 generators. 

   An idea was hatched and discussed, the= n=20 forgotten. Except I didn't. Some years and a few sleepless nights later= I set=20 upon achieving this. Most of the work was done and reported to the list= quite=20 a few years back, but at that time I knew I had to set it aside for some= time=20 as I had other commitments. 

  At last report I had finalized the mechanica= l aspect=20 but had made no attempt to integrate it into the electrical system. I've= now=20 finalized this and yesterday ran the engine for the first time. Everythi= ng=20 worked excellent! So far it seems to have been a tremendous=20 success.

  So I have updated my word document of the pr= ocedures=20 for this modification. Including a wiring diagram. 

<= /DIV>

For your entertainment I've put it on Google Drive= in Word=20 format where it can be accessed at the following link

https://drive.google.com/file/d/0B9-1Iqfk8J8nRmUwWGpLWnR= vaWc/view?usp=3Dsharing

 

or for us Linux types in .odt

https://drive.google.com/file/d/0B9-1Iqfk8J8ncVBEbVFWQjR3= OFE/view?usp=3Dsharing


Comments, criticisms welcome

 

Todd Bartrim

 RV9a=20 13BTurbo

This me= ssage,=20 and the documents attached hereto, is intended only for the addressee an= d may=20 contain privileged or confidential information. Any unauthorized disclos= ure is=20 strictly prohibited. If you have received this message in error, please= notify=20 us immediately so that we may correct our internal records. Please then= delete=20 the original message. Thank you.
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