Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 26320
Location: Livermore CA USA
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 Posted: Tue Mar 22, 2011 11:18 am Post subject: Canopy Skirt Buzz... |
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At 10:25 AM 3/22/2011 Tuesday, you wrote:
| Quote: | Matt,
Did you settle on a material that you preferred for deadening the canopy buzz [on your RV-8]? We are experiencing the same thing but at a very narrow speed range. Before we reinvent the wheel I figured I would ask.
Thanks,
Robin |
Hi Robin,
Yes, solved mostly. Here the stuff to get:
http://cshyde.thomasnet.com/viewitems/tapes-with-psa/uhmw-tape--black-anti-stat-rubber-adhesive?forward=1
This is black UHMW table with a rubber adhesive (good to 150F). I got the .020" stuff.
Its not very bendable sideways, so don't try to get the .5" kind and wrap it around the s-curve in the back. It definitely won't stick for very long.
Get the 6" wide stuff - Part number 19-20BLK-6-5 (5 yards) or 19-20BLK-6-18 (18 yards) - and lay it flat over the skirt on the inside and then trace the contour. Move it up by about .75" and then trace again. Then cut out the piece which should be a perfect fit around the inside edge of the canopy skirt. I forgot to take any pictures of the process! That's so not like me! 
I also used the .5" stuff ( 19-20BLK-.5-5) for along the straight left and right side of the skirt. Although, I wish I'd used the .75 stuff.
Seems to dampen the vibration and also doesn't mark the paint/metal due to its low co-efficient of friction. Its basically the same stuff that Van's sells for the flaps, but much thicker and black. I also like the high-temp rubber adhesive. We'll see how it holds up over the Summer.
My only complaint is that I wish they made a .040" thick version.
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Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: 153+ Hours TTSN - Paint Job Is All That's Left To Do...
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