Today's Message Index:
----------------------
1. 06:34 AM - Re: a few issues: wing gap seal velcro doesn't want to stick well and aileron u-joint seems sloppy (Stuart Harner)
2. 01:29 PM - Re: Kolb-List Digest: 2 Msgs - 05/14/23 (Richard Swiderski)
3. 06:26 PM - Re: a few issues: wing gap seal velcro doesn't want to stick well and aileron u-joint seems sloppy (Jay Dub)
Message 1
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| Subject: | Re: a few issues: wing gap seal velcro doesn't want to stick |
well and aileron u-joint seems sloppy
Jay,
Are you using the velcro supplied by the factory? The stuff that came
with my Firefly was really sticky but didn't get really stuck until it
had quite a lot of pressure applied to it. It had been folded and the
folds didn't want to come out at first but out in the sunshine when it
warmed up a little I rubbed it all over again and it has stuck really well.
How long has your paint had to cure? Don't know if that matters but
something to think about anyway.
Does the universal joint look like the one in the picture? If it does,
and it has any play in it, I would replace it. Same with the rod ends on
the tubes, mine had no perceivable slop when new except between the bolt
and the eye but that was a very small amount.
I don't know how the joint is constructed under the red seal but was
impressed with it and was told it would outlast the plane. The plans
still showed how to make the torque tube joint with bolts but this is a
much better solution. Maybe you got a bad one?
Stuart
On 5/14/23 23:25, Jay Dub wrote:
>
> Two quick items I'm dealing with as I finish a new build:
> I painted my plane with glossy paint. I put my velcro on the wings for
> the gap seal but it doesn't seem to stick very well. I tried a sample
> of contact cement but that didn't seem to do well either as it seems
> the glossy paint doesn't have "teeth" to grab into. Any ideas how to
> deal with that other than making the lexan hard gap seal or sanding
> down the paint?
>
> My ailerons seem to have a lot of slop. Upon investigation the u-joint
> has slop (not from the bolt holes but the u-joint itself) and the
> upper control rod ends seem to have some slop too. Is this common with
> Kolb Firestars? Is this going to cause a flutter problem? I do have
> the ailerons counterweighted and balanced but I've never flown nor
> worked on an any plane with slop like this. It surprised me being a
> new build and does make me wonder if this is going to create any
> issues when I get to test fly.
>
> Thanks,
> Jay
>
>
Message 2
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| Subject: | Re: Kolb-List Digest: 2 Msgs - 05/14/23 |
Jay, I couldn't get the velcro tto stick by gluing it either. I ordered 3M
backed velcro & it worked fine. First, I ordered the cheaper sticky backed
velcro & it didn't stick well either, so just order the 3M stuff.
Regarding slop in u-joint, my Firestar's u-joints are not sloppy.
On Mon, May 15, 2023 at 2:32=AFAM Kolb-List Digest Server <
kolb-list@matronics.com> wrote:
> *
>
> ========================
> Online Versions of Today's List Digest Archive
> ========================
>
> Today's complete Kolb-List Digest can also be found in either of the
> two Web Links listed below. The .html file includes the Digest formatted
> in HTML for viewing with a web browser and features Hyperlinked Indexes
> and Message Navigation. The .txt file includes the plain ASCII version
> of the Kolb-List Digest and can be viewed with a generic text editor
> such as Notepad or with a web browser.
>
> HTML Version:
>
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=html&
Chapter 23-05-14&Archive=Kolb
>
> Text Version:
>
>
> http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&C
hapter 23-05-14&Archive=Kolb
>
>
> ========================
=======================
> EMail Version of Today's List Digest Archive
> ========================
=======================
>
>
> ----------------------------------------------------------
> Kolb-List Digest Archive
> ---
> Total Messages Posted Sun 05/14/23: 2
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 09:13 PM - Re: tail fold PVC "thing" dimensions (Jay Dub)
> 2. 09:26 PM - a few issues: wing gap seal velcro doesn't want to
> stick well and aileron u-joint seems sloppy (Jay Dub)
>
>
> ________________________________ Message 1
> _____________________________________
>
>
> Time: 09:13:52 PM PST US
> From: Jay Dub <bearhawk@gmx.com>
> Subject: Re: Kolb-List: tail fold PVC "thing" dimensions
>
>
> Thanks Larry,
> I was able to get some PVC pipe and insulation today and made one. Seems
> to work
> fine.
> Jay
>
>
> Sent:Saturday, May 13, 2023 at 7:32 AM
> From:"Larry Cottrell" <lcottrell1020@gmail.com>
> To:kolb-list@matronics.com
> Subject:Re: Kolb-List: tail fold PVC "thing" dimensions
>
> The one that I have is 41 inches overall length. It only needs to be
> long enough to come down about half of the rudder and keep the
> elevator and rudder from slapping around when folded.
> Larry
>
> On Fri, May 12, 2023 at 3:06PM Jay Dub <bearhawk@gmx.com> wrote:
> >
> >
> >
> > I'm not sure what to call the device that holds the hor. stab and
> elevator up
> so one can fold the wings back. I'm looking to make one for my Firestar 2
.
> >
> > In the plans it shows to make it with ropes and pipes. Does anyone have
> the dimensions
> for making one that uses the pipe insulation on the pipes? I see on
> the I could measure it all but was wondering if someone had the dimension
s
> handy.
> >
> > Thanks,
> > Jay
> >
> >
>
>
> --
> The older I get, the less tolerant I am of those who are intolerant of
> others.
>
> If you forward this email, or any part of it, please remove my email
> address before sending.
>
>
> ________________________________ Message 2
> _____________________________________
>
>
> Time: 09:26:11 PM PST US
> From: Jay Dub <bearhawk@gmx.com>
> Subject: Kolb-List: a few issues: wing gap seal velcro doesn't want to
> stick well
> and aileron u-joint seems sloppy
>
>
> Two quick items I'm dealing with as I finish a new build:
> I painted my plane with glossy paint. I put my velcro on the wings for th
e
> gap
> seal but it doesn't seem to stick very well. I tried a sample of contact
> cement
> but that didn't seem to do well either as it seems the glossy paint doesn
't
> have "teeth" to grab into. Any ideas how to deal with that other than
> making the
> lexan hard gap seal or sanding down the paint?
>
> My ailerons seem to have a lot of slop. Upon investigation the u-joint ha
s
> slop
> (not from the bolt holes but the u-joint itself) and the upper control ro
d
> ends
> seem to have some slop too. Is this common with Kolb Firestars? Is this
> going
> to cause a flutter problem? I do have the ailerons counterweighted and
> balanced
> but I've never flown nor worked on an any plane with slop like this. It
> surprised
> me being a new build and does make me wonder if this is going to create
> any issues when I get to test fly.
>
> Thanks,
> Jay
>
>
===========
===========
===========
===========
===========
>
>
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Message 3
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| Subject: | Re: a few issues: wing gap seal velcro doesn't want to stick |
well and aileron u-joint seems sloppy
Yes, the velcro is what came with the kit, however, it still seems sticky but it
would be about 8 years old. I'll get it out in the sun and try applying pressure.
I also thought about burning holes in the reinforced areas and running paracord
from corner to corner just so the fabric gap seal doesn't fly off and
go into the prop.
The u-joint I have is the red one like the picture Stuart sent. It is new. I thought
maybe it was an elongated bolt hole so I removed the u-joint and just the
joint itself has some play. Without cutting off the red rubber seal, I don't
see any way to look at it. The problem with a new one will be getting the holes
in the same place as the old one.
Jay
Sent:Monday, May 15, 2023 at 7:33 AM
From:"Stuart Harner" <stuart@harnerfarm.net>
To:kolb-list@matronics.com
Subject:Kolb-List: Re: a few issues: wing gap seal velcro doesn't want to stick
well and aileron u-joint seems sloppy
Jay,
Are you using the velcro supplied by the factory? The stuff that came
with my Firefly was really sticky but didn't get really stuck until it
had quite a lot of pressure applied to it. It had been folded and the
folds didn't want to come out at first but out in the sunshine when it
warmed up a little I rubbed it all over again and it has stuck really well.
How long has your paint had to cure? Don't know if that matters but
something to think about anyway.
Does the universal joint look like the one in the picture? If it does,
and it has any play in it, I would replace it. Same with the rod ends on
the tubes, mine had no perceivable slop when new except between the bolt
and the eye but that was a very small amount.
I don't know how the joint is constructed under the red seal but was
impressed with it and was told it would outlast the plane. The plans
still showed how to make the torque tube joint with bolts but this is a
much better solution. Maybe you got a bad one?
Stuart
On 5/14/23 23:25, Jay Dub wrote:
>
> Two quick items I'm dealing with as I finish a new build:
> I painted my plane with glossy paint. I put my velcro on the wings for
> the gap seal but it doesn't seem to stick very well. I tried a sample
> of contact cement but that didn't seem to do well either as it seems
> the glossy paint doesn't have "teeth" to grab into. Any ideas how to
> deal with that other than making the lexan hard gap seal or sanding
> down the paint?
>
> My ailerons seem to have a lot of slop. Upon investigation the u-joint
> has slop (not from the bolt holes but the u-joint itself) and the
> upper control rod ends seem to have some slop too. Is this common with
> Kolb Firestars? Is this going to cause a flutter problem? I do have
> the ailerons counterweighted and balanced but I've never flown nor
> worked on an any plane with slop like this. It surprised me being a
> new build and does make me wonder if this is going to create any
> issues when I get to test fly.
>
> Thanks,
> Jay
>
>
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