X-Virus-Scanned: clean according to Sophos on Logan.com From: "Neil Unger" Received: from nsstlmta01p.bpe.bigpond.com ([203.38.21.1] verified) by logan.com (CommuniGate Pro SMTP 6.2c1) with ESMTPS id 9680532 for flyrotary@lancaironline.net; Tue, 18 Apr 2017 03:02:25 -0400 Received-SPF: pass receiver=logan.com; client-ip=203.38.21.1; envelope-from=neil.unger@bigpond.com Received: from smtp.telstra.com ([10.10.24.4]) by nsstlfep01p-svc.bpe.nexus.telstra.com.au with ESMTP id <20170418070204.NPQY5772.nsstlfep01p-svc.bpe.nexus.telstra.com.au@smtp.telstra.com> for ; Tue, 18 Apr 2017 17:02:04 +1000 X-RG-Spam: Unknown X-Junkmail-Premium-Raw: score=32/85,refid=2.7.2:2017.4.18.63917:17:32.629,ip=121.217.125.251,rules=__HAS_MSGID, __SANE_MSGID, INVALID_MSGID_NO_FQDN, __MSGID_32HEX, __HAS_FROM, __FRAUD_WEBMAIL_FROM, __TO_MALFORMED_2, __TO_NAME, __TO_NAME_DIFF_FROM_ACC, __REFERENCES, __IN_REP_TO, __BOUNCE_CHALLENGE_SUBJ, __BOUNCE_NDR_SUBJ_EXEMPT, __SUBJ_ALPHA_END, __MIME_VERSION, __CT, __CTYPE_MULTIPART_ALT, __CTYPE_HAS_BOUNDARY, __CTYPE_MULTIPART, __HAS_X_PRIORITY, __HAS_MSMAIL_PRI, __HAS_X_MAILER, __USER_AGENT_MS_GENERIC, DATE_IN_PAST_06_12, __TO_IN_SUBJECT, __MIME_TEXT_P2, __MIME_TEXT_H2, __ANY_URI, __HTTPS_URI, __URI_WITH_PATH, __URI_NO_MAILTO, __URI_NO_WWW, __CP_URI_IN_BODY, __INT_PROD_MOTORBIKE, ECARD_KNOWN_DOMAINS, __SUBJ_ALPHA_NEGATE, SUPERLONG_LINE, __MULTIPLE_URI_TEXT, __URI_IN_BODY, __URI_NOT_IMG, __MULTIPLE_URI_HTML, __HTML_AHREF_TAG, __HAS_HTML, __HTML_TAG_DIV, BODYTEXTP_SIZE_3000_LESS, BODY_SIZE_5000_5999, BODYTEXTH_SIZE_3000_MORE, BODYTEXTH_SIZE_10000_LESS, __MIME_TEXT_H1, __MIME_TEXT_P1, __MIME_HTML, __TAG_EXISTS_HTML, RDNS_GENERIC_POOLED, __URI_NS, SXL_IP_DYNAMIC[251.125.217.121.fur], RDNS_SUSP_GENERIC, __FRAUD_WEBMAIL, IN_REP_TO, MSG_THREAD, __TO_REAL_NAMES, LEGITIMATE_SIGNS, RDNS_SUSP, TO_IN_SUBJECT, __MIME_TEXT_H, __MIME_TEXT_P, REFERENCES, BODY_SIZE_7000_LESS, URI_WITH_PATH_ONLY Received: from UserPC (121.217.125.251) by smtp.telstra.com (9.0.019.015-1) id 58C94D6B0F51D55C for flyrotary@lancaironline.net; Tue, 18 Apr 2017 17:02:03 +1000 Message-ID: To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Permanent Magnet Backup Generator Date: Tue, 18 Apr 2017 06:44:13 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01D2B80F.30D54870" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 15.4.3555.308 X-MimeOLE: Produced By Microsoft MimeOLE V15.4.3555.308 This is a multi-part message in MIME format. ------=_NextPart_000_001E_01D2B80F.30D54870 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Todd, exceptionally well done, 10 /10. You probably still = won=E2=80=99t sleep at night wondering what can go wrong. Good luck, = Neil. From: Todd Bartrim=20 Sent: Monday, April 17, 2017 7:31 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Permanent Magnet Backup Generator Many years ago we discussed on the list various ways to implement backup = electrical sources for our electrically dependent engines. A great = amount of discussion was around permanent magnet type of generators. =20 An idea was hatched and discussed, then forgotten. Except I didn't. = Some years and a few sleepless nights later I set upon achieving this. = Most of the work was done and reported to the list quite a few years = back, but at that time I knew I had to set it aside for some time as I = had other commitments.=20 At last report I had finalized the mechanical aspect but had made no = attempt to integrate it into the electrical system. I've now finalized = this and yesterday ran the engine for the first time. Everything worked = excellent! So far it seems to have been a tremendous success. So I have updated my word document of the procedures for this = modification. Including a wiring diagram.=20 For your entertainment I've put it on Google Drive in Word format where = it can be accessed at the following link https://drive.google.com/file/d/0B9-1Iqfk8J8nRmUwWGpLWnRvaWc/view?usp=3Ds= haring or for us Linux types in .odt https://drive.google.com/file/d/0B9-1Iqfk8J8ncVBEbVFWQjR3OFE/view?usp=3Ds= haring Comments, criticisms welcome Todd Bartrim RV9a 13BTurbo ------=_NextPart_000_001E_01D2B80F.30D54870 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Todd,  exceptionally well done, 10 /10.  You probably = still won=E2=80=99t=20 sleep at night wondering what can go wrong.  Good luck,  = Neil.
 
From: Todd Bartrim
Sent: Monday, April 17, 2017 7:31 PM
Subject: [FlyRotary] Permanent Magnet Backup=20 Generator
 
Many years ago we discussed on the list various ways to = implement=20 backup electrical sources for our electrically dependent engines. A = great amount=20 of discussion was around permanent magnet type of generators. =20
   An idea was hatched and discussed, then forgotten. = Except I=20 didn't. Some years and a few sleepless nights later I set upon achieving = this.=20 Most of the work was done and reported to the list quite a few years = back, but=20 at that time I knew I had to set it aside for some time as I had other=20 commitments.
  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 = this and=20 yesterday ran the engine for the first time. Everything worked = excellent! So far=20 it seems to have been a tremendous success.
  So I have updated my word document of the procedures for = this=20 modification. Including a wiring diagram.
For your entertainment I've put it on Google Drive in Word format = where it=20 can be accessed at the following link
https://drive.google.com/file/d/0B9-1Iqfk8J8nRm= UwWGpLWnRvaWc/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
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