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ruruny(at)aol.com
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 Posted: Mon Nov 22, 2010 4:27 pm Post subject: 701 lexan |
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I was preflighting my plane for a flight around the Island and noticed a crack in the lexan
window of my left door. I then noticed the whole bottom of the window was cracked and
separated. About a month and a half ago I was fueling the left wing with my large filter
funnel and the tank started to overflow with the funnel half full.
Fuel spilled into the space between the skin and the filler neck and and ran out the bottom
skin onto the window. I cleaned it up very quick and cleaned the window with Plexus.
Everything looked fine but I guess some fuel was beetween the skin and the lexan that
sat there. The 93 octane with 10% ethanol must have degraded the lexan and during
the last flight from wind buffet cracked at the bottom.
I replaced the lexan on the door with thicker stuff and its alot more solid feeling almost
like its glass. Its heavier but while doing a runup on the ground, it doesn't flop around
like the stock thin stuff. I plan on doing the right door now, as that one really makes alot of
noise. I'm alot more careful fueling now also.
Pic attached.
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ggower_99(at)yahoo.com
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| Posted: Mon Nov 22, 2010 8:34 pm Post subject: 701 lexan |
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We have to be carefull with the gasoline (car gasoline is what I use) and the Lexan.
Some time Ago I had the avionics serviced (some noise in the reception) and the guy left opened the doors, in one side the drain had a drip and made a mess in the corner of the side window in a few days... There was some tiny strange material betwen de drain seat probably there since the last preflight and caused the drip.
Story short changed both windows but was carefull to make in each window a 1" hole carefully centered under each wing tank drain, when the door is opened... Just in case there is a future drip, the drop will not make any damage...
Gary.
--- On Mon, 11/22/10, ruruny(at)aol.com <ruruny(at)aol.com> wrote:
| Quote: |
From: ruruny(at)aol.com <ruruny(at)aol.com>
Subject: 701 lexan
To: Zenith701801-list(at)matronics.com
Date: Monday, November 22, 2010, 7:23 PM
I was preflighting my plane for a flight around the Island and noticed a crack in the lexan
window of my left door. I then noticed the whole bottom of the window was cracked and
separated. About a month and a half ago I was fueling the left wing with my large filter
funnel and the tank started to overflow with the funnel half full.
Fuel spilled into the space between the skin and the filler neck and and ran out the bottom
skin onto the window. I cleaned it up very quick and cleaned the window with Plexus.
Everything looked fine but I guess some fuel was beetween the skin and the lexan that
sat there. The 93 octane with 10% ethanol must have degraded the lexan and during
the last flight from wind buffet cracked at the bottom.
I replaced the lexan on the door with thicker stuff and its alot more solid feeling almost
like its glass. Its heavier but while doing a runup on the ground, it doesn't flop around
like the stock thin stuff. I plan on doing the right door now, as that one really makes alot of
noise. I'm alot more careful fueling now also.
Pic attached.
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