---------------------------------------------------------- RV9-List Digest Archive --- Total Messages Posted Mon 06/22/09: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 04:51 AM - Re: Measure RUDDER Deflection (Swing) Angle (Ian Brown) 2. 05:47 AM - Re: Measure RUDDER Deflection (Swing) Angle (Chenoweth) ________________________________ Message 1 _____________________________________ Time: 04:51:35 AM PST US Subject: Re: RV9-List: Measure RUDDER Deflection (Swing) Angle From: Ian Brown The rudder travel needs to be measured after it's mounted on the aircraft, because the limiting factor is the exact positioning and dimensions of the stops, which are mounted on the fuselage, not the vertical stabilizer. How about, once it's mounted on the fuselage, dropping a plumb line from the hinge to a piece of cardboard, and dropping another one from some spot like the trailing edge of the rudder where the light gets attached. You could do this in all three positions and then just join the dots, and measure with an old fashioned protractor. Ian Brown Bromont Quebec RV-9A C-GOHM (about to fly off my last hour of test flight today!) On Sun, 2009-06-21 at 20:51 -0700, Garey Wittich wrote: > Greetings: > > Have my VS mounted to the work bench along with the Rudder attached. > Trying to verify the 35 degree travel on the Rudder to the Left and > Right of Neutral. Seen no Archieves on how to measure the angle other > than laying the VS and Rudder on the work bench and using "Smart > Level" to measure the deflection in the Up & Down positions. Must be > "super simple" to measure it, but for some reason the method is not > evident to me (now). > > > Appreciate your help, Garey Wittich Santa Monica, CA > > > > > > > > > Checked by AVG - www.avg.com ________________________________ Message 2 _____________________________________ Time: 05:47:40 AM PST US From: "Chenoweth" Subject: Re: RV9-List: Measure RUDDER Deflection (Swing) Angle Garey, The way I did it was to use a carpenters' tool (don't know the name but it's about the size of a tri-square with a fixed and a movable arm) that can be set to any angle. I laid it against the fin, deflected the rudder, then set the tool to the resulting position. Used a large protractor to figure out what angle the tool was in. As I recall it was less than the prescribed amount but a call to Van's revealed that it was plenty. Bill Albion, Maine ----- Original Message ----- From: "Ian Brown" Sent: Monday, June 22, 2009 7:48 AM Subject: Re: RV9-List: Measure RUDDER Deflection (Swing) Angle > > The rudder travel needs to be measured after it's mounted on the > aircraft, because the limiting factor is the exact positioning and > dimensions of the stops, which are mounted on the fuselage, not the > vertical stabilizer. How about, once it's mounted on the fuselage, > dropping a plumb line from the hinge to a piece of cardboard, and > dropping another one from some spot like the trailing edge of the rudder > where the light gets attached. You could do this in all three positions > and then just join the dots, and measure with an old fashioned > protractor. > > Ian Brown > Bromont > Quebec > RV-9A C-GOHM > (about to fly off my last hour of test flight today!) > > On Sun, 2009-06-21 at 20:51 -0700, Garey Wittich wrote: >> Greetings: >> >> Have my VS mounted to the work bench along with the Rudder attached. >> Trying to verify the 35 degree travel on the Rudder to the Left and >> Right of Neutral. Seen no Archieves on how to measure the angle other >> than laying the VS and Rudder on the work bench and using "Smart >> Level" to measure the deflection in the Up & Down positions. Must be >> "super simple" to measure it, but for some reason the method is not >> evident to me (now). >> >> >> Appreciate your help, Garey Wittich Santa Monica, CA >> >> >> >> >> >> >> >> >> Checked by AVG - www.avg.com > > -------------------------------------------------------------------------------- Checked by AVG - www.avg.com 06:53:00 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rv9-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RV9-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rv9-list Browse Digests http://www.matronics.com/digest/rv9-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.