John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
|
 Posted: Wed Jun 27, 2007 1:58 pm Post subject: Ultrastar Opinions/Fabric Testing |
 |
|
| I do not claim to be any sort of UStar expert... but I doubt that
is
| scratched on a rock
| anyplace that all Kolb US's were covered with polyfiber...
| Beauford
Bill T:
Enjoyed your informative post.
Agree, there were a lot of older Kolbs that did not have suffcient UV
block applied based on keeping the weight to a minimum.
Had several fabric specimens fabric tested at FSU School of Home
Economics many years ago. My first airplane was an US. Did not have
a hanger, so I kept it tied down in the cow pasture with a couple
strands of barbed wire strung around it to keep the cows from rubbing
all the paint off of it and the calves from testing their taste buds.
After more than a year of continuous exposure I had a new piece of
unprocessed fabric tested, a piece that had been processed but not
exposed, and a piece off the top of a wing.
The machine used to test the fabric was a "pull tester" All specimens
of fabric tested out nearly as strong as the new nonexposed to UV
fabric.
I used no aluminum poly spray, but had the UV block added to clear
Aerothane. It worked.
That was the only time I used that method. The Firestar and mkIII
were subjected to several heavy coats of Polyspray.
john h
mkIII
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
|
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