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occom
Joined: 26 Aug 2006
Posts: 404
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 Posted: Sat Sep 15, 2007 10:01 am Post subject: Trailing edge reinforcement tubes - recommended. |
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In the updated instructions for covering which I got from Kitfox with my
spars (back when I foolishly believed I would have this maintenance done and
be flying quickly) there was a small mention of reinforcing the trailing
edge by glueing a 3/8" X .035 6061 tube in the gap of the trailing edge. It
looked like a good update for my wings so I ordered the tube from Kitfox and
received it a couple of weeks ago. I have now got the reinforcement
installed and I can certainly recommend it. The trailing edge is much
stronger in all directions than previous.
I also ordered a couple of syringe type tubes of Hysol in case I needed a
little more and I thought the mixing tube looked like a great idea. I tried
one of them while inserting the reinforcement tube into the trailing edge.
The syringes are great at dispensing equal amounts of adhesive, but there is
no power on earth that will force Hysol through the mixing tube at 68 Deg.
Maybe it works better when it's hot but even with a caulking gun, mine jst
preferred to exit the rear of the syringe than flow down the tube. I gave up
and shot it all straight from the syringe onto a mixing board.
Dave Goddard- Mod IV 1050/582
do not archive
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darinh
Joined: 20 Apr 2006
Posts: 327
Location: Utah
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| Posted: Sat Sep 15, 2007 6:35 pm Post subject: Re: Trailing edge reinforcement tubes - recommended. |
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Dave,
I have not seen the recommendation for the tube but it seems like a great idea! I keep looking at my trailing edge and thinking that it would only take a misplaced elbow or hand to bend it any direction. I will make the mod using your tube dimensions supplied.
About the Hysol...I have been using the 50 ml cartridges for years now building model jets and the Kitfox and have never had a problem with the mixing nozzles even when I was working in a 40 degree garage in the winter (I now have a climate controlled shop to work in). The nozzles I use I get from RSHughes and they are square with a green mixer.
| | - The Matronics Kitfox-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Kitfox-List |
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_________________
Darin Hawkes
Series 7
914 Turbo
Kaysville, Utah |
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occom
Joined: 26 Aug 2006
Posts: 404
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| Posted: Sun Sep 16, 2007 2:23 am Post subject: Trailing edge reinforcement tubes - recommended. |
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Dave Goddard- Mod IV 1050/582
do not archive
| Quote: | Dave,
I have not seen the recommendation for the tube but it seems like a great
idea! I keep looking at my trailing edge and thinking that it would only
take a misplaced elbow or hand to bend it any direction. I will make the
mod using your tube dimensions supplied.
About the Hysol...I have been using the 50 ml cartridges for years now
building model jets and the Kitfox and have never had a problem with the
mixing nozzles even when I was working in a 40 degree garage in the winter
(I now have a climate controlled shop to work in). The nozzles I use I
get from RSHughes and they are square with a green mixer.
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I'm very pleased with the difference, I'm sure you'll be happy with it. The
tubes are 16" in mine. That leaves a small gap at each end by the rib.
The mixing tube I got was aren't 3/16" inside with small white paddles. It
just proved too much resistance. I didn't know there were other tubes
available. I've had fairly good luck with baggies used like piping bags as
suggested by another lister, by the time my new spars were installed, I had
enough expertise to be royally embarrassed about my early efforts, now hard
as rock. They'll soon be hidden.
Dave Goddard
Do not archive.
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