Today's Message Index:
----------------------
1. 02:06 PM - swaging (Mike Chaney)
2. 03:30 PM - Re: swaging (Lloyd & Lorrie Cudnohufsky)
3. 04:11 PM - Re: swaging (Lowell Fitt)
4. 11:15 PM - header tank does not stay full (Sacha)
Message 1
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This is a pretty basic series of questions.=0A-=0AI am replacing one of m
y landing gear safety cables on my model IV.- The original cable has a co
pper nicopress sleeve.- Are these special aircraft grade sleeves or can I
use the aluminum sleeves from the local hardware store..- Aircraft Spruc
e sells both a copper and what looks as if an aluminum sleeve.=0A-=0AMy s
econd question relates to the swaging tool.- The swaging tool I have acce
ss to leaves a pretty large crimp and on such a small sleeve I could only g
et one crimp.- I'm guessing that a smaller swaging tool, which would allo
w me to place a couple of crimps on the sleeve, would be much more desirabl
e.=0A-=0AAny comments would be helpful.=0A-=0AMike Chaney=0AModel IV
Message 2
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Mike,
I just replaced my rudder cables this summer so the subject is still fresh
for me, I would suggest you use the aircraft grade sleeves, if your cable is
Stainless you will want the plated sleeves. Number of crimps will depend on
the size of the cable, if you are able to look up AC 43.13-1B starting at
7-140 through 7-148 it will give you all the data you need to understand
cable designs and complete the job. Also, you can buy an inexpensive
crimping tool from Aircraft Spruce or any of the other aircraft suppliers
for around $15-$20 that will do a nice job. Hope this is helpful.
Lloyd C
KF5 - 912ul IVO IFA
Northern Mi.
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Mike Chaney
Sent: Wednesday, September 18, 2013 4:04 PM
Subject: Kitfox-List: swaging
This is a pretty basic series of questions.
I am replacing one of my landing gear safety cables on my model IV. The
original cable has a copper nicopress sleeve. Are these special aircraft
grade sleeves or can I use the aluminum sleeves from the local hardware
store.. Aircraft Spruce sells both a copper and what looks as if an
aluminum sleeve.
My second question relates to the swaging tool. The swaging tool I have
access to leaves a pretty large crimp and on such a small sleeve I could
only get one crimp. I'm guessing that a smaller swaging tool, which would
allow me to place a couple of crimps on the sleeve, would be much more
desirable.
Any comments would be helpful.
Mike Chaney
Model IV
No virus found in this message.
Checked by AVG - www.avg.com
Message 3
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Mike,
This is my understanding. The 3/32" cables we use on the Model IV is
swaged with a single crimp. Larger cables will use a second crimp.
Think it is a factor of the force needed for the crimp. A large cable
using a single wide crimp would require more pressure than could be
achieved with a hand crimper. I agree that the recommended crimp is the
nickel plated one, though I have used the solid copper non plated.
Lowell Fitt
Kitfox IV-1200 912UL
Cameron Park, CA
From: Lloyd & Lorrie Cudnohufsky
Sent: Wednesday, September 18, 2013 3:28 PM
Subject: RE: Kitfox-List: swaging
Mike,
I just replaced my rudder cables this summer so the subject is still
fresh for me, I would suggest you use the aircraft grade sleeves, if
your cable is Stainless you will want the plated sleeves. Number of
crimps will depend on the size of the cable, if you are able to look up
AC 43.13-1B starting at 7-140 through 7-148 it will give you all the
data you need to understand cable designs and complete the job. Also,
you can buy an inexpensive crimping tool from Aircraft Spruce or any of
the other aircraft suppliers for around $15-$20 that will do a nice job.
Hope this is helpful.
Lloyd C
KF5 - 912ul IVO IFA
Northern Mi.
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Mike Chaney
Sent: Wednesday, September 18, 2013 4:04 PM
Subject: Kitfox-List: swaging
This is a pretty basic series of questions.
I am replacing one of my landing gear safety cables on my model IV. The
original cable has a copper nicopress sleeve. Are these special
aircraft grade sleeves or can I use the aluminum sleeves from the local
hardware store.. Aircraft Spruce sells both a copper and what looks as
if an aluminum sleeve.
My second question relates to the swaging tool. The swaging tool I have
access to leaves a pretty large crimp and on such a small sleeve I could
only get one crimp. I'm guessing that a smaller swaging tool, which
would allow me to place a couple of crimps on the sleeve, would be much
more desirable.
Any comments would be helpful.
Mike Chaney
Model IV
http://www.matronics.com/Navigator?Kitfox-Listhttp://forums.matronics.com
http://www.matronics.com/contribution No virus found in this message.
Checked by AVG - www.avg.com
Version: 2013.0.3408 / 09/18/13
Message 4
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| Subject: | header tank does not stay full |
Hi Kitfoxers,
I've completed a dozen or so short (1hr) flights since rebuilding the second
hand kitfox I bought, but I'm having issues with the fuel system.
Specifically, my header tank fuel level (I've installed a sensor to monitor
its level) occasionally drops. The lowest I've seen it drop so far is to
50% of full (after which I decided to land). A couple of other times, it
dropped to 75% and then filled again. I think this might be happening when
the wing tanks are less than full, but my impression is that they were by no
means empty.
Is this normal? Is there anyway I can stop this from happening? It sure
doesn't feel comfortable to fly in this way.
My header tank is 3.5 gals (13 litres) and is located behind the seat. I
have two wing tanks which feed into the header tank. All my fuel lines are
flexible. I've been keeping the header tank breather valve closed. The
wing tanks each have a breather tube on the tank cap which faces into the
wind.
Any suggestions as to how to improve things would be greatly appreciated!
Sacha
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