buhwana(at)charter.net
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 Posted: Sun Apr 09, 2006 3:44 am Post subject: RV10-List Digest: 15 Msgs - 04/08/06 |
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108 DB without interior carpet or seats installed. Seats were temporary. On takeoff from outside and below, midfield with aerocomposite , 3 bladed prop, 90 DB. compare that to a 180hp skyhawk at 94db. Of course the -10 was higher when passing passing overhead, about 150 feet compared to 100, due to better climb rate. Will get numbers when interior installed.Tom
RV10 rider in 533JD
On Apr 9, 2006, at 1:57 AM, RV10-List Digest Server wrote:
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I have been researching sound deadening techniques for my RV 10 project and was
interested to know if anybody has measured cabin noise with a DB meter. Obviously
I am most interested in the 10 but would love to hear of the other models
as well. It would be really great if somebody has measured before and after sound
proofing their plane. Pretty hard on the 10 because of the double floors....you
have to install the soundproof materials before pop riveting down the floor
panels. If anybody is going to Vans for a test ride anytime soon maybe we
could get a sound level from one of their planes to use as a baseline. Vans builds
their planes as light as possible so they will be as loud as you can get.
Just for fun I looked up the sound levels in the Cirrus SR20....95 dBA in cruise.
Much louder than I would have expected. |
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