X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf24aec.mail.bellsouth.net ([205.152.59.72] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1128784 for flyrotary@lancaironline.net; Fri, 26 May 2006 06:39:42 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.72; envelope-from=atlasyts@bellsouth.net Received: from ibm68aec.bellsouth.net ([65.11.37.101]) by imf24aec.mail.bellsouth.net with ESMTP id <20060526103856.LDDY25207.imf24aec.mail.bellsouth.net@ibm68aec.bellsouth.net> for ; Fri, 26 May 2006 06:38:56 -0400 Received: from [65.11.37.101] by ibm68aec.bellsouth.net with ESMTP id <20060526103856.BKAO15153.ibm68aec.bellsouth.net@[65.11.37.101]> for ; Fri, 26 May 2006 06:38:56 -0400 Mime-Version: 1.0 (Apple Message framework v750) In-Reply-To: References: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <61E27807-380D-4EB3-8A2F-AD691EE25454@bellsouth.net> Content-Transfer-Encoding: 7bit From: Bulent Aliev Subject: Re: [FlyRotary] Re: Ammeter/Ivo Date: Fri, 26 May 2006 06:39:01 -0400 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.750) 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 Troyer): > -------------- > > 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