Today's Message Index:
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1. 04:23 AM - Re: Holes in plastic cable guides (Afterfxllc@aol.com)
2. 06:28 AM - Re: Holes in plastic cable guides (Gig Giacona)
3. 07:00 AM - Re: Holes in plastic cable guides (jaybannist@cs.com)
4. 08:52 AM - Re: Fuel Lines and Fuel Pump (steveadams)
5. 09:48 AM - Re: Fuel Lines and Fuel Pump (Tim Juhl)
6. 10:20 AM - Re: Holes in plastic cable guides (Craig Payne)
7. 01:39 PM - Chat Room Reminder (George Race)
8. 04:05 PM - Re: Re: Fuel Lines and Fuel Pump (n801bh@netzero.com)
9. 04:46 PM - Wanna see something cool? (Brady)
10. 04:52 PM - Re: Fuel Lines and Fuel Pump (Tim Juhl)
11. 04:56 PM - Re: Fuel Lines and Fuel Pump (Tim Juhl)
12. 08:12 PM - Re: Fuel Lines and Fuel Pump (Brady)
Message 1
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| Subject: | Re: Holes in plastic cable guides |
Don
It really depends on how clean you cut the cables. If you can get them thru
a 5/32 hole go for it but if your cables fray some you might have a problem
getting them thru.
Jeff Garrett
Louisville Ky.
601XL N962T Aerolite Corvair 90%
601XL N524B Aerolite Corvair 155 Hrs
601XL N2257 Aerolite Corvair 225 Hrs
_www.aeroliteproducts.com_ (http://www.aeroliteproducts.com/)
_www.project601xl.com_ (http://www.project601xl.com/)
w_ww.aerolite.camstreams.com_ (http://www.aerolite.camstreams.com/)
I am starting to run control cables in the fuselage of my 601XL. What size
should I drill the holes in the plastic cable guides? Should they be as
tight as I can get them? Or is a little space better. 5/32" is about as small
as I can get the cables through. Or should they be a little larger like 3/16"?
Don Mountain
601 XL, finishing fuselage
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Message 2
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| Subject: | Re: Holes in plastic cable guides |
I'm pretty sure I used a #20 drill bit for all of those.
--------
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221599#221599
Message 3
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| Subject: | Re: Holes in plastic cable guides |
Don,
The hole size is not critical, as long as you can get the cable through it.? The
guide (fairlead) is at a place where the cable changes direction slightly.?
When the cable is under tension, it will be snug against one side of the hole.?
Even a round-ended slot would work; and, in fact, they are called for in a few
places.? With a slot, you need a loop of safety wire across the slot to capture
the cable while it is slack. The safety wire loop serves no purpose when
the cable is tensioned. The drawings call for a #20 drill bit, but I think any
size hole, up to your 3/16" would be OK.
Jay in Dallas
-----Original Message-----
From: Don Mountain <mountain4don@yahoo.com>
Sent: Sun, 28 Dec 2008 9:27 pm
Subject: Zenith-List: Holes in plastic cable guides
I am starting to run control cables in the fuselage of my 601XL.? What size should
I drill the holes in the plastic cable guides?? Should they be as tight as
I can get them?? Or is a little space better.? 5/32" is about as small as I can
get the cables through.? Or should they be a little larger like 3/16"?
Don Mountain
601 XL, finishing fuselage
________________________________________________________________________
Email message sent from CompuServe - visit us today at http://www.cs.com
Message 4
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| Subject: | Re: Fuel Lines and Fuel Pump |
The CH640 and Alarus use the same rubber fuel lines as the 601. The Alarus service
manual specifies replacing the rubber fuel lines every 5 years or 2400 hours,
whichever comes first. Because I didn't want to mess with changing out the
hoses, I put in aluminum lines up to the firewall. I think either will work fine,
if you don't mind switching them out every 5 years.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221634#221634
Message 5
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| Subject: | Re: Fuel Lines and Fuel Pump |
I've installed aluminum lines in the wings and plan to use flex lines between the
wings and fuselage then aluminum up to the firewall. From the firewall to
the carb on the Jabiru I'll be running a rubber hose. I've had experience with
leaking rubber hose in hard to reach areas of a production aircraft (usually
connections between aluminum lines) and prefer not to deal with such problems
in my XL.
Tim
--------
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Working on fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221657#221657
Message 6
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| Subject: | Holes in plastic cable guides |
On the quick-build kits some of the holes are large enough to pass the
entire turnbuckle through.
-- Craig
Message 7
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| Subject: | Chat Room Reminder |
Please join us for the Monday evening chat room starting around 8:00 PM
Eastern Time.
<blocked::blocked::blocked::blocked::blocked::blocked::http://www.mykitairpl
ane.com/chat/> http://www.mykitairplane.com/chat/
George
Do Not Archive
Message 8
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| Subject: | Re: Fuel Lines and Fuel Pump |
I will toss in my 2 cents worth..... I have owned a few certified planes
in my time and off hand I can think of two failures of aluminum fuel li
nes, and one brake line, all were a PAIN in the butt to fix. The fuel li
nes were held in place throughout the airframe with Adel clamps and wher
e they were supported moisture wicked in and between the rubber and the
line itself, causing pin holes and a fuel leak. In one plane it took hal
f a day to remove and replace the line. In the other one we had to remov
e the wing to get to the line to replace it. It was a BIG DEAL !! and I
swore I would never use aluminum lines if I could help it... Thank god
for experimental planes and the fact I am not saddled with the hard lin
e BS.. As a side note if you buy good, high quality flexible fuel lines
they will probably last longer then you will be flying. I have a 1978 F
ord van I use for a work truck, there are rubber lines in it I know for
a fact are original and not even designed for alcohol, and ya know what,
,, to this day, 30 years later, they still are holding up ok and do not
leak... This is my opinion and I personally would not use rigid lines if
a flex line would work. Flame suit on scotty, !!!!!!
YMMV... Happy New Year and..................... do not archive
Ben Haas
N801BH
www.haaspowerair.com
-- "Tim Juhl" <juhl@avci.net> wrote:
I've installed aluminum lines in the wings and plan to use flex lines be
tween the wings and fuselage then aluminum up to the firewall. From the
firewall to the carb on the Jabiru I'll be running a rubber hose. I've
had experience with leaking rubber hose in hard to reach areas of a pro
duction aircraft (usually connections between aluminum lines) and prefer
not to deal with such problems in my XL.
Tim
--------
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Working on fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221657#221657
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Message 9
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| Subject: | Wanna see something cool? |
Check out this video.
This has little to do with airplanes directly.
But if you find CNC machining or machinery interesting and you like Joe, you might
enjoy watching this.
http://www.youtube.com/watch?v=qMS8wWOD0HE
I will post more; that have to do with aircraft, parts and specifically Corvair
stuff and such as they become available. :)
To nights project is to film the Machine cutting a pair of Corvair Heads.
Should be fun. :)
Enjoy,
--------
Brady McCormick
Poulsbo, WA
www.magnificentmachine.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221722#221722
Message 10
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| Subject: | Re: Fuel Lines and Fuel Pump |
You won't get flamed by me.... personally I think the info gained by these discussions
is important in helping each of us to decide how we want to go with our
planes. I think that either approach has it's pros and cons which the builder
needs to weigh before going ahead with whatever they feel most comfortable
with. The key is to be sure to inspect your fuel lines on a regular basis and
take action as necessary. In the real world such things seldom get much attention
until they fail. Having a mechanic poke around once a year isn't enough.
Regarding metal fuel lines, believe it or not the lines used in my Aeronca Champ
are copper with brass fittings. The one exception is a flexible aeroquip hose
from the gascolator on the firewall to the carb. It has worked well for the
last 23 years that I've been flying it.
Tim
--------
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Working on fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221725#221725
Message 11
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| Subject: | Re: Fuel Lines and Fuel Pump |
Oops! I forgot to mention that I had a aluminum brake line fail once. It broke
when I tried to reposition it slightly. The line broke near the top of the
landing gear where it was exposed to flexing during every flight. A poor design
in my view. I would never use a aluminum line where it would be exposed to
any movement.
Tim
--------
______________
CFII
Champ L16A flying
Zodiac XL - Jabiru 3300A
Working on fuselage
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221726#221726
Message 12
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| Subject: | Re: Fuel Lines and Fuel Pump |
Ben,
The pin holes you described are Galvanic corrosion caused by electrolysis.
This is easy to stop if one is aware of the potential and it's causes.
This is common in older aircraft as well as older pilots :)
But once you find it you should give the entire plane a thorough look over because
it is usually not just one area.
Soft lines are easier to run or pull.
But just you try to push one through a wing :)
Just kidding.
As long as it works and you are comfortable with it.
Ask 10 different engineers the same question and you will get 10 different answers.
--------
Brady McCormick
Poulsbo, WA
www.magnificentmachine.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=221756#221756
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