REFLECTOR: weatherproofing

[Chuck Jensen]

Another leak intrusion point into the cabin is the overhead NACA.
Sometimes the drain line will have been moved/wiggled/bent enough times
to wear itself a little clearance around the drain line.  When water
accumulates in the NACA, it dribbles down the outside of the drain line
into the cabin instead of the inside the line and overboard.
 

Chuck Jensen 

 
 
 -----Original Message-----
From: reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] On
Behalf Of Ron Brown
Sent: Thursday, June 07, 2007 1:36 PM
To: Velocity Aircraft Owners and Builders list
Subject: Re: REFLECTOR: weatherproofing


Hi Kirk,
 
There is another possible leakage source and that is the wing to strake
joints.  Water can migrate down the center spar into the cabin and wind
up in the floor.  I used white bathtub caulk (white and shinny) and laid
a small bead into the seam after masking with blue painter's tape.  
 
Ronnie

	----- Original Message ----- 
	From: Kirk Aragon <mailto:aragon_kirk at hotmail.com>  
	To: Velocity Aircraft Owners and Builders list
<mailto:reflector at tvbf.org>  
	Sent: Thursday, June 07, 2007 10:20 AM
	Subject: Re: REFLECTOR: weatherproofing

	John,
	
	I've also experienced standing water in my aircraft after a
storm (when the aircraft is parked). Initially, I thought it was the
weatherstripping around the doors, so I ordered some new
weatherstripping from the factory. Before I had the opportunityto
install it, I sat in the parked aircraft during a storm. I didn't notice
a single drop of rain entering via the doors. I also did not see any
puddling on the floorboards.
	
	I also became interested in the large holes on the sides where
the canard meets the fuselage. But my experience during the storm made
that hypothesis less likely. Why would I get water sometimes, but not
allways?
	
	So spring time came and I decided the aircraft needed to be
washed after sitting outside for the last three months. I didn't notice
any leaks during the wash of the fuselage. However, water started to
pool inside after I hosed down the newly de-gunked engine compartment.
The distinctive odor of "GUNK "ENGINE BRITE" ENGINE CLEANER" assaulted
my nose when I entered the cockpit.
	
	I noticied that water pooled on the lip of the bottom cowling. I
also noticed the water draining into the channels where the oil hose
goes to and returns from the nose mounted oil cooler. Eureka.
	
	I've purchased some high temperature sealant and hope to close
the gaps soon.
	
	Hope this helps
	
	Kirk
	N360TV
	
	
	
	> Date: Thu, 7 Jun 2007 08:39:40 -0500
	> From: aminetech at bluefrog.com
	> To: reflector at tvbf.org
	> Subject: Re: REFLECTOR: weatherproofing
	> 
	> I haven't noticed any water getting in while flying in the
rain, but a lot of water
	> comes in when it sits outside on the ground in the rain.
	> 
	> John
	> 
	> Tom wrote:
	> 
	> > While putting the canard back on I noticed I could see some
daylight
	> > through the seams where the canard sits in the fueslage.
Also, there
	> > are the two fairly large holes on the sides for movement of
the canard
	> > control surfaces. Are these an issue when flying through
rain as far as
	> > the avionics possibly getting wet? thx Tom
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