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05-18-2012, 10:43 PM
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Join Date: Sep 2010
Location: Redlands, Ca.
Posts: 1,458
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Whistle & Whining on other models?
....I am interested to hear if you guys with other models besides the 9, are told by ground observers that your planes emit a whistle or whining sound when you fly by. People tell me this all the time and I don't hear it inside the plane. I have looked at several videos of my plane and can detect something. perhaps it just isn't as pronounced in the recording as in person. Below is a short little video with pretty good sound. Allan... 
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http://www.youtube.com/watch?v=OrT-HLsgNSk
__________________
Allan Nimmo
AntiSplatAero.com
Innovative Aircraft Safety
Products, Tools & ServicesInfo@AntiSplatAero.com Southern California (KREI)
RV-9A / Edge-540 
(909) 824-1020
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05-19-2012, 08:20 AM
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VAF Moderator / Line Boy
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Join Date: Jan 2005
Location: Dayton, NV
Posts: 12,256
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It's a well-known trait of the -9 Allan - and I have never heard it from any of the other RV models (including the -1....).
__________________
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
http://Ironflight.com
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05-23-2012, 12:05 PM
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Join Date: Feb 2006
Location: Trenton, SC
Posts: 117
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RV-9A whistle
Quote:
Originally Posted by PerfTech
....I am interested to hear if you guys with other models besides the 9, are told by ground observers that your planes emit a whistle or whining sound when you fly by. People tell me this all the time and I don't hear it inside the plane. I have looked at several videos of my plane and can detect something. perhaps it just isn't as pronounced in the recording as in person. Below is a short little video with pretty good sound. Allan... 
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http://www.youtube.com/watch?v=OrT-HLsgNSk
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I have just completed a 9A that also whistles..sounds like my neighbors turbo-Arrow. I have taped up everything that looks like it may whistle, but No joy. Just one of those mysteries of life.
Ed Booth, Trenton, SC
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05-23-2012, 12:15 PM
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Join Date: Jun 2006
Location: 8I3
Posts: 3,564
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I had a whistle in my -6 and put foam weatherstrip in all the way around the front hoop to seal the canopy when closed which fixed it.
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Please don't PM me! Email only!
Bob Japundza CFI A&PIA
N9187P PA-24-260B Comanche, flying
N678X F1 Rocket, under const.
N244BJ RV-6 "victim of SNF tornado" 1200+ hrs, rebuilding
N8155F C150 flying
N7925P PA-24-250 Comanche, restoring
Not a thing I own is stock.
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05-23-2012, 12:27 PM
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Join Date: Sep 2006
Location: Townsend, Montana
Posts: 3,179
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Others have said there is a whine when I fly by in my -7....but it is coming from one cherokee owner & RV wannabe whining about how pathetic the other planes look and fly compared to an RV. 
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Retired Dam guy. Life is good.
Brian, N155BKsold but bought back.
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05-23-2012, 01:51 PM
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Join Date: Sep 2010
Location: Redlands, Ca.
Posts: 1,458
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OK!!!!!!!!!!
Quote:
Originally Posted by hydroguy2
Others have said there is a whine when I fly by in my -7....but it is coming from one cherokee owner & RV wannabe whining about how pathetic the other planes look and fly compared to an RV. 
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...I think you have figured it out! I am surrounded by the same thing and all this time I thought it was coming from my airplane. Thanks, Allan 
__________________
Allan Nimmo
AntiSplatAero.com
Innovative Aircraft Safety
Products, Tools & ServicesInfo@AntiSplatAero.com Southern California (KREI)
RV-9A / Edge-540 
(909) 824-1020
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05-23-2012, 02:30 PM
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Join Date: Jun 2011
Location: Moose Jaw, SK, Canada
Posts: 550
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I get a whine/vibration that seems to emanate from around the canopy bow (slider) when the IAS gets into the yellow arc. Goes away when I slow down.
__________________
Gerry Julian
Moose Jaw Saskatchewan
RV6A "Second Wind" C-GERZ (born N242UL)
O-360 A1A, Sensenich FP prop
Those who think any system is foolproof greatly underestimate the ingenuity of fools
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