X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from poplet2.per.eftel.com ([203.24.100.45] verified) by logan.com (CommuniGate Pro SMTP 5.2.14) with ESMTP id 3638336 for flyrotary@lancaironline.net; Mon, 11 May 2009 02:50:32 -0400 Received-SPF: none receiver=logan.com; client-ip=203.24.100.45; envelope-from=lendich@aanet.com.au Received: from mail.aanet.com.au (mail.aanet.com.au [203.24.100.34]) by poplet2.per.eftel.com (Postfix) with ESMTP id 700D9173A7F for ; Mon, 11 May 2009 14:49:46 +0800 (WST) Received: from ownerf1fc517b8 (203.171.92.134.static.rev.aanet.com.au [203.171.92.134]) by mail.aanet.com.au (Postfix) with SMTP id BF7B4460CCB for ; Mon, 11 May 2009 14:43:16 +0800 (WST) Message-ID: From: "George Lendich" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Harley Davidson Generator Date: Mon, 11 May 2009 16:43:19 +1000 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C9D257.96D1CF50" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5512 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 X-Antivirus: avast! (VPS 0617-3, 04/28/2006), Outbound message X-Antivirus-Status: Clean This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C9D257.96D1CF50 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Ernest, I agree, but were dealing with retailers who rely on profit margins - = now if we could identify the manufacturer, perhaps we could get more = bang for the buck. I guess it's my logistics background that pushes me = in that direction. I only wish I still had the Government clout to push = with. George (down under) George Lendich wrote:=20 Ernest, There has been discussion on other sites of making one specifically = for rotary Aviation use. The Amperage is the result of the number of = windings and size of wire and number of poles, from what was discussed. = On some stators there are poles serve a separate function but can't = remember what they did. I was hoping to stimulate some discussion between parties with a = greater knowledge than mine, I'm afraid I'm electrically challenged - = but I'm working on trying to improve my knowledge. From my part, and at this point in time I am just curious. I see where you're coming from, George. IMHO, it not something worth = experimenting with. The winding of a stator isn't to difficult (just = extremely tedious), but I look at it like this. The voltage/current = tradeoff is set by the number of wire turns. The voltage is limited to = a nominal 12V in a 12V system. Marketers don't get anything for = declaring that their stator will put out 24V. The only way to win is to = get more current. Everyone is will be studying how to wrap the stator = to get the most current at 12V. The engineers that design these things = are smarter than me about these things, and their living wage depends on = them doing a good job. So, I let them do the tedious job of winding my = stator, and I'll just believe them when they say it is designed to push = 35 amps worth of electrons. --=20 http://www.ernest.isa-geek.org ------=_NextPart_000_0007_01C9D257.96D1CF50 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF

Ernest,

I agree, but were dealing with = retailers who rely=20 on profit margins - now if we could identify the manufacturer, perhaps = we could=20 get more bang for the buck. I guess it's my logistics background that = pushes me=20 in that direction. I only wish I still had the Government clout to push=20 with.

George (down under)

George=20 Lendich wrote:=20

Ernest,

There has been discussion on other = sites of=20 making one specifically for rotary Aviation use. The Amperage is the = result=20 of the number of windings and size of wire and number of poles, from = what=20 was discussed. On some stators there are poles serve a separate = function but=20 can't remember what they did.

I was hoping to stimulate some = discussion=20 between parties with a greater knowledge than mine, I'm afraid I'm=20 electrically challenged - but I'm working on trying to improve my=20 knowledge.

From my part, and at this point in = time I am=20 just curious.
I see where you're coming = from,=20 George. IMHO, it not something worth experimenting with. = The=20 winding of a stator isn't to difficult (just extremely tedious), but I = look at=20 it like this. The voltage/current tradeoff is set by the number = of wire=20 turns. The voltage is limited to a nominal 12V in a 12V = system. =20 Marketers don't get anything for declaring that their stator will put = out=20 24V. The only way to win is to get more current. Everyone = is will=20 be studying how to wrap the stator to get the most current at = 12V. The=20 engineers that design these things are smarter than me about these = things, and=20 their living wage depends on them doing a good job. So, I let = them do=20 the tedious job of winding my stator, and I'll just believe them when = they say=20 it is designed to push 35 amps worth of electrons.
--=20

http://www.ernest.isa-geek.org

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