X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-03.southeast.rr.com ([24.25.9.102] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1128977 for flyrotary@lancaironline.net; Fri, 26 May 2006 10:30:59 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.102; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-111-186.carolina.res.rr.com [24.74.111.186]) by ms-smtp-03.southeast.rr.com (8.13.6/8.13.6) with SMTP id k4QEUCan024374 for ; Fri, 26 May 2006 10:30:14 -0400 (EDT) Message-ID: <000701c680d0$e6d576e0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Ammeter/Ivo Date: Fri, 26 May 2006 10:30:13 -0400 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: Symantec AntiVirus Scan Engine I know, Buly, it hurts my head to do that also {:>) Ed ----- Original Message ----- From: "Bulent Aliev" To: "Rotary motors in aircraft" Sent: Friday, May 26, 2006 8:11 AM Subject: [FlyRotary] Re: Ammeter/Ivo > Thanks Ed. Now I have to think again :) > Buly > On May 26, 2006, at 7:35 AM, Ed Anderson wrote: > >> Buley, Just so you have the frame of reference firmly in your >> mind. For example, you could either have the amp meter labeled >> with the first order effect - Lower Pitch /Higher Pitch or >> second order effect Higher RPM/Lower RPM. Since it is engine rpm >> that I would be primarily interested in, I (if I had a variable >> pitch prop) might label the meter with Higher RPM/Lower RPM or >> perhaps Increase RPM/Decrease RPM rather than lower pitch/higher >> pitch (the latter requires some mental manipulation). Just a point >> of view. >> >> Ed >> >> >> ----- Original Message ----- From: "Bulent Aliev" >> >> To: "Rotary motors in aircraft" >> Sent: Friday, May 26, 2006 6:39 AM >> Subject: [FlyRotary] Re: Ammeter/Ivo >> >> >>> Kelly, I was thinking mounting it vertical. Low pitch down, High >>> pitch up ? same with the switch. >>> Buly >>> On May 26, 2006, at 1:07 AM, Kelly Troyer wrote: >>> >>>> Bulent, >>>> Forgot to note that you need to label one side of the ammeter >>>> "pitch increase" >>>> and the other side "pitch decrease"......With a single sweep >>>> ammeter you would >>>> not always know where you were in pitch if you forgot which way >>>> your switch >>>> was wired ("Now was that up or down for more pitch??")...... >>>> -- >>>> Kelly Troyer >>>> Dyke Delta/13B/RD1C/EC2 >>>> >>>> >>>> >>>> >>>> -------------- Original message from keltro@att.net (Kelly >>>> royer): -------------- >>>> >>>> Bulent, >>>> When prop is at midpoint of pitch there is essentially no >>>> load on the motor. >>>> When you add pitch the ammeter needle swings one way (from 0 >>>> to ? amps). >>>> When you reduce pitch you are reversing polarity of the D.C. >>>> motor and it >>>> turns opposite direction and loads the ammeter to the opposite >>>> side........ >>>> -- >>>> Kelly Troyer >>>> Dyke Delta/13B/RD1C/EC2 >>>> >>>> >>>> >>>> >>>> -------------- Original message from Bulent Aliev >>>> : -------------- >>>> >>>> >>>> > I need a second opinion on the ammeter setup for the Ivo prop. >>>> John >>>> > Slade is using the centering kind. I think it should be one sweep >>>> > from 0-15 or 0-20A? Anyone else using the same setup, please >>>> let me >>>> > know the details. >>>> > Buly >>>> > http://tinyurl.com/dcy36 >>>> > >>>> > >>>> > >>>> > >>>> > -- >>>> > Homepage: http://www.flyrotary.com/ >>>> > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >>> >>> Buly >>> http://tinyurl.com/dcy36 >>> >>> >>> >>> >>> -- >>> Homepage: http://www.flyrotary.com/ >>> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >> >> >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ > > Buly > http://tinyurl.com/dcy36 > > > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/ >