X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mail13.syd.optusnet.com.au ([211.29.132.194] verified) by logan.com (CommuniGate Pro SMTP 5.2.2) with ESMTPS id 2874700 for flyrotary@lancaironline.net; Sun, 27 Apr 2008 19:40:38 -0400 Received-SPF: pass receiver=logan.com; client-ip=211.29.132.194; envelope-from=lendich@optusnet.com.au Received: from george (d220-237-232-70.dsl.nsw.optusnet.com.au [220.237.232.70]) by mail13.syd.optusnet.com.au (8.13.1/8.13.1) with SMTP id m3RNdqKE015230 for ; Mon, 28 Apr 2008 09:39:53 +1000 Message-ID: <002601c8a8bf$ffe9a020$6400a8c0@george> From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: the Kubota dynamo Date: Mon, 28 Apr 2008 09:39:55 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0023_01C8A913.D101D490" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-Antivirus: avast! (VPS 0657-0, 12/12/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0023_01C8A913.D101D490 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Scot/Michael, Why not run a light rather, like they do on Motorbikes rather than dump = excess power. George ( down under) Scott: Mark Langford's example shows what most folks are doing for a = schematic for the John Deere dynamo. It can be seen on his page here: http://home.hiwaay.net/~langford/electrical/index.html and here are the specifics on the dynamo set up http://home.hiwaay.net/~langford/corvair/dynamo.html The Kubota unit has the same output as the JD though it is slightly = different in size, and is made by the same folks Kokusan Denki in Japan. As for running dual units I have not crossed that hurdle yet but I = know folks have done it so there has to be a reasonable way to make it = happen. As I understand the permanent magnet uses a heat sink to dump = unused power. I obtained these heat sink regulators from the same source = on ebay that sold me the dynamos. They are removed form brand new = tractors when the customer orders more lights and the units are replaced = with a higher output conventional alternator. Michael ----- Original Message -----=20 From: SHIPCHIEF@aol.com=20 To: Rotary motors in aircraft=20 Sent: Sunday, April 27, 2008 4:56 PM Subject: [FlyRotary] Re: the Kubota dynamo So that's cool. What about the regulator and wiring diagram? I got a John Deere PM alternator (that looks similar to yours) and = regulator from different ebayers. I would like to use it as a backup = source instead of two batteries. Figuring out the regulator wiring is slowing me down while I go thru = the first engine runs etc. maybe I won't use it. I always thought a Harley style PM alternator could be fit between = the engine and the reduction gear? The amp rating should be equal to the = esential loads, because extra generator capacity is 'spilled' by the = regulator as wasted energy. The 'main' alternator can turn off it's = field current if no additional power is required. Scott E ************** Need a new ride? Check out the largest site for U.S. used car = listings at AOL Autos. (http://autos.aol.com/used?NCID=3Daolcmp00300000002851)=20 -------------------------------------------------------------------------= ----- No virus found in this incoming message. Checked by AVG.=20 Version: 7.5.524 / Virus Database: 269.23.5 - Release Date: 25/04/2008 = 12:00 AM ------=_NextPart_000_0023_01C8A913.D101D490 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Scot/Michael,
Why not run a light rather, like they = do on=20 Motorbikes rather than dump excess power.
George ( down under)
Scott:
 
Mark Langford's example shows what = most folks are=20 doing for a schematic for the John Deere dynamo. It can be seen on his = page=20 here:
http://ho= me.hiwaay.net/~langford/electrical/index.html
 
and here are the specifics on the = dynamo set=20 up
http://home= .hiwaay.net/~langford/corvair/dynamo.html
 
The Kubota unit has the = same output as=20 the JD though it is slightly different in size, and is made by the = same folks=20 Kokusan Denki in Japan.
 
As for running dual units I have not = crossed that=20 hurdle yet but I know folks have done it so there has to be a = reasonable way=20 to make it happen. As I understand the permanent magnet uses a heat = sink to=20 dump unused power. I obtained these heat sink regulators from the = same=20 source on ebay that sold me the dynamos. They are removed form = brand new=20 tractors when the customer orders more lights and the units are = replaced with=20 a higher output conventional alternator.
 
Michael
 
----- Original Message -----
From:=20 SHIPCHIEF@aol.com
To: Rotary motors in = aircraft=20
Sent: Sunday, April 27, 2008 = 4:56=20 PM
Subject: [FlyRotary] Re: the = Kubota=20 dynamo

So that's cool.
What about the = regulator=20 and wiring diagram?
I got a John Deere PM alternator (that looks = similar=20 to yours) and regulator from different ebayers. I would like to use = it as a=20 backup source instead of two batteries.
Figuring out the = regulator wiring=20 is slowing me down while I go thru the first engine runs etc. maybe = I won't=20 use it.
I always thought a Harley style PM alternator could be = fit=20 between the engine and the reduction gear? The amp rating should be = equal to=20 the esential loads, because extra generator capacity is 'spilled' by = the=20 regulator as wasted energy. The 'main' alternator can turn off it's = field=20 current if no additional power is required.
Scott=20 E



**************
Need a new ride? Check out = the=20 largest site for U.S. used car listings at AOL=20 Autos.
(http://autos.aol.com/used?NCID=3Daolcmp00300000002851)=20

No virus found in this incoming message.
Checked by AVG.=20
Version: 7.5.524 / Virus Database: 269.23.5 - Release Date: = 25/04/2008=20 12:00 AM
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