Today's Message Index:
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1. 06:28 AM - Re: Lubrication (John Hauck)
2. 06:35 AM - Re: Lubrication (KIRBY, DENNIS T GS-13 USAF AFMC AFNWC/ENS)
3. 10:10 AM - Question for the builders... (Nick Cassara)
4. 10:31 AM - Re: Question for the builders... (James Beard)
5. 10:33 AM - Re: Question for the builders... (John Hauck)
6. 11:09 AM - Re: Question for the builders... (Rex Rodebush)
7. 11:11 AM - Re: Question for the builders... (Dennis Rowe)
8. 11:34 AM - Re: Question for the builders... (Stuart Harner)
Message 1
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I use "zoom spout turbine oil" on my home built for everything but the
hinges. For the hinges I use some CRC spray lube, or something similar.
I haven't found anything that won't attract dirt, especially in the
desert. Maybe Larry Cottrell will chime in here with his expertise. He
is a "real" desert rat.
I don't know if I have a "bigger or smaller home built". An RV8 is
24X21 and a MKIII is 30X23.5. Yet a Bearhawk is 33X23.5. I am in a
dilemma.
john h
mkIII
Crawfordville, FL
On bigger homebuilts, the recommendation is a non-greasy lube, so it
won't catch & hold dirt in the pivot points.
Charlie
On Oct 15, 2014 9:11 PM, "william sullivan" <williamtsullivan@att.net>
wrote:
I have never seen this mentioned on the List before. What is the
proper lubricant for all the control surfaces? Stick and rudder pivot
points, rod ends, hinges on wings and tail, etc.
Bill Sullivan
Windsor Locks, Ct.
FS 447
~
_____
Message 2
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<< What is the proper lubricant for all the control surfaces? Stick and rudder
pivot points, rod ends, hinges on wings and tail, etc. Bill Sullivan >>
Bill / Kolb Friends -
For steel-on-steel pivot points (like the torque tubes) and for rod ends, I use
ordinary 3-in-1 oil. For all the alum hinges, I use dry-moly lubricant, like
what they sell in the bike shops for the insides of brake cables.
The dry lubricant will not collect dust and dirt. This is important for your hinges
(which are aluminum), because grit in the hinge will quickly wear away the
metal, with the constant motion of a moving hinge.
Dennis Kirby
Mark-3 / 912ul
Sandia Park, New Mexico
Message 3
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Subject: | Question for the builders... |
Hello Kolb builders,
I have all my surfaces ready to cover. I have laid out my wings flaps and
ailerons. The only thing I have not done is drill the holes to test mount
the hinges. Is there any reason I could not wait and drill the hinge rivet
holes once everything is covered? Thanks as always for your thought!
Nick Cassara
Palmer, Alaska
Kolbra N607AK
Message 4
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Subject: | Re: Question for the builders... |
Nick... I'm not certain why, but the constr. manual calls for all 1,000
holes to be drilled & deburred prior to covering.
This also allows you to clean out all the drilling debris, probably a good
idea.
On Thu, Oct 16, 2014 at 10:10 AM, Nick Cassara <nickc@mtaonline.net> wrote:
> Hello Kolb builders,
>
>
> I have all my surfaces ready to cover. I have laid out my wings flaps and
> ailerons. The only thing I have not done is drill the holes to test mount
> the hinges. Is there any reason I could not wait and drill the hinge rivet
> holes once everything is covered? Thanks as always for your thought!
>
>
> Nick Cassara
>
> Palmer, Alaska
>
>
> Kolbra N607AK
>
> *
>
>
> *
>
>
Message 5
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Subject: | Question for the builders... |
Nick:
I find it much easier to trim the hinges to fit, drill all
the rivet holes in the hinges, then fit, adjust, and drill
all the holes in the spars using the predrilled hinges,
secured with Clecos, as a template.
When I finish covering wings, ailerons, and flaps, I use a
pencil tip soldering iron to open rivet and drain holes.
After Polybrush, I cement the gap seal, complete processing
the wing through finish paint. Finally, I rivet the hinges
to the wings, flaps, and ailerons. Makes a much finer
looking job.
john h
mkIII
Crawfordville, Florida
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of
Nick Cassara
Sent: Thursday, October 16, 2014 12:10 PM
Subject: Kolb-List: Question for the builders...
Hello Kolb builders,
I have all my surfaces ready to cover. I have laid out my
wings flaps and ailerons. The only thing I have not done is
drill the holes to test mount the hinges. Is there any
reason I could not wait and drill the hinge rivet holes once
everything is covered? Thanks as always for your thought!
Nick Cassara
Palmer, Alaska
Kolbra N607AK
=
=
=
=
Message 6
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Subject: | Re: Question for the builders... |
I agree. Drilling the hinge holes with the fabric on would be a real mess. The
hot solder iron trick works great.
Caution: When I covered my flaps and ailerons I went too far with the heat shrink
and bowed the leading edges. Not a lot but enough that the hinges could not
be installed. Had to recover. Just watch the L..E. and when it just starts
to bend...STOP.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=431960#431960
Message 7
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Subject: | Re: Question for the builders... |
I'd drill em now, just use aluminum rivets in every 6th hole or so to hold t
hings aligned as you drill, than remove and deburr before covering. Than bur
n out the holes in fabric with a solder pencil before you paint while you ca
n still see the holes.
If you drill after you cover you are going to be patching holes.
Dennis "Skid" Rowe
Mk3, Rotax 670,
Leechburg, PA
> On Oct 16, 2014, at 1:10 PM, "Nick Cassara" <nickc@mtaonline.net> wrote:
>
> Hello Kolb builders,
>
> I have all my surfaces ready to cover. I have laid out my wings flaps and a
ilerons. The only thing I have not done is drill the holes to test mount the
hinges. Is there any reason I could not wait and drill the hinge rivet hole
s once everything is covered? Thanks as always for your thought!
>
> Nick Cassara
> Palmer, Alaska
>
> Kolbra N607AK
>
>
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>
Message 8
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Subject: | Question for the builders... |
Nick,
My firefly was a quick build where the factory had already attached all the
hinges with temporary rivets. All of the other rivet locations had a
"dimple" where the holes were to be located but they were not dilled out.
I drilled out the temporary rivets so I could use the drill press to finish
the holes in the hinges. I then waited until all covering and painting were
done before drilling the rest of the holes in the airframe, using the now
drilled hinges as guides. As I covered, I kept the holes cleaned out, so
they were easy to locate later.
Although what I did worked out well, I kind of wished I had drilled
everything before covering. I think it would have made final assembly
easier.
One think that I do regret is when I put the rudder half hinges on the
rudder laying on the bench. Then I mounted the tail post halves on to the
airframe separately, thinking I could just line up the hinges and drop the
pins in place. I had done this on the wings with no problems, but on the
rudder, for some reason the lower hinge would not align without a LOT of
force on the rudder. I wound up slightly bending the bottom of the rudder
and put a wrinkle in the fabric. Did not even notice it until it was all
done. L
My take is to pre-drill all the holes and be VERY careful with light weight
structures.
Worth what you paid for it..
Stuart
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Nick Cassara
Sent: Thursday, October 16, 2014 12:10 PM
Subject: Kolb-List: Question for the builders...
Hello Kolb builders,
I have all my surfaces ready to cover. I have laid out my wings flaps and
ailerons. The only thing I have not done is drill the holes to test mount
the hinges. Is there any reason I could not wait and drill the hinge rivet
holes once everything is covered? Thanks as always for your thought!
Nick Cassara
Palmer, Alaska
Kolbra N607AK
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