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tgesele(at)optonline.net
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 Posted: Fri Jan 13, 2006 8:20 am Post subject: Soundproofing the -10 |
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For those who have (or are considering) installing soundproofing under the
front/rear floorboards, has anyone made provisions for ensuring that
moisture is not trapped between the bottom skins and the soundproofing?
I am using an epoxy-based primer on all interior surfaces and plan on using
the moisture resistant soundproofing from Spruce which will help, but want
to take steps to ensure no water can get trapped. My concern is that any
water that makes it's way into the cabin could be trapped in an area that
can't be inspected and eventually lead to corrosion problems down the road.
Some of the solutions I've kicked around are gluing the material to the
bottom of the floorboards or installing lightweight tubing to prop the
material off the bottom skins.
Anyone have any opinions on this?
Thanks,
Tom Gesele #40473
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johnwcox(at)pacificnw.com
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| Posted: Fri Jan 13, 2006 9:00 am Post subject: Soundproofing the -10 |
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Condensation is indeed the source when untreated, leading to corrosion
under thermal/acoustic batting materials. Removable Desiccant bags are
not a bad idea (inside the cockpit) for hangared aircraft in
higher/humid locales like the Wet Coast. Cameras and avionics always
get packed with it for a reason - maritime container shipments. I will
forward to Tim for the RV University site, digital pictures of just how
much condensate staining such insulation receives between C checks.
Dan Newland on the Lancair matronics list works for ORCON in the Bay
Area. They manufacture fiberglass spun, plastic bag encapsulated custom
batts for ease of installation and inspection removal. They even have a
special tape called Orcon Tape for fire suppression integrity we use on
our airliners.
He wrote an article back in about April for Sport Aviation on his
treatment of a two place plastic project for Dave Morss. He was
receptive to tackling the RV-10 if he had accurate measurements for each
of the many panels. At 500+ there is a growing market for such a
supplier. On the acoustic side, the firewall and windscreen were the
greatest culprits for noise in the cockpit.
Zetex (DuPont) is the metallic faced, thermal firewall batting used to
increase the time to land on plastic planes. Without suppression, its
all about getting on the ground. There is an associated high temp
adhesive that can be used. High Temp RTV (red) is used to provide the
fillet between batting and airframe.
Our club lost a member last week and the Take Away was "If a fire breaks
out or if the engine stops... The insurance company owns it... don't be
a fool... land and runaway to fly another day." I lost a friend in
August 2004 who was too obsessed with "The most beautiful Legacy in the
world". Fire Annunciation, Fire Suppression, Fire Off a claim letter to
your insurance carrier.
John - $00.02
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