Return-Path: Received: from server11.safepages.com ([216.127.146.25] verified) by logan.com (CommuniGate Pro SMTP 4.1) with ESMTP id 2516558 for flyrotary@lancaironline.net; Sun, 10 Aug 2003 13:11:30 -0400 Received: by server11.safepages.com (Postfix, from userid 1012) id 9FD2F1AB9AC; Sun, 10 Aug 2003 17:10:15 +0000 (GMT) Received: from 2b0w201 (1Cust17.tnt24.atl4.da.uu.net [65.227.68.17]) by server11.safepages.com (Postfix) with ESMTP id ADC7B1AB98C for ; Sun, 10 Aug 2003 17:10:13 +0000 (GMT) From: "Tommy James" To: "Rotary motors in aircraft" Subject: Cooling fans Date: Sun, 10 Aug 2003 13:11:34 -0400 Message-ID: MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C35F40.ECAFDD80" X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) Importance: Normal In-Reply-To: X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C35F40.ECAFDD80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit MessageRusty Wrote: SNIP: " This is without the cooling fan, because it blew a 30A fuse when I turned it on. That also caused the engine to almost quit from the power surge. I guess the prop wash got the fan spun up, which created a voltage across the fan motor. Turning on the switch seems to overload the circuit, and blow the fuse. " What do those with "Fan" experience say about preventing this kind of problem? Will a diode in the right place prevent these little dynamos from blowing fuses and disrupting the engine? Lynn, How would you do in a race car? Thinking about fans Tommy James<>< ps. Rusty, with all the problems and absent MAP hose, Wasn't it great to run it up? ------=_NextPart_000_000E_01C35F40.ECAFDD80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Rusty=20 Wrote: SNIP: " This is without the = cooling=20 fan, because it blew a 30A fuse when I turned it on.  That also caused the engine to = almost=20 quit from the power surge.  = I guess=20 the prop wash got the fan spun up, which created a voltage across the = fan=20 motor.  Turning on the = switch seems=20 to overload the circuit, and blow the fuse. "
 
What do = those with=20 "Fan" experience say about preventing this kind of problem? =20
Will a = diode in the=20 right place prevent these little dynamos from blowing fuses and = disrupting the=20 engine?
Lynn, = How would you do=20 in a race car?
 <= /DIV>
Thinking = about=20 fans
Tommy=20 James<><
ps.  Rusty, with=20 all the problems and absent MAP hose,  Wasn't it great to run it=20 up?
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