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BravoNiner
March 22nd 09, 04:55 PM
Time to replace some yaw strings. Can anyone recommend a good way to
remove old tape residue without doing violence to the canopies?

Thanks,

Mark -- B9

March 22nd 09, 05:24 PM
On Mar 22, 11:55*am, BravoNiner > wrote:
> Time to replace some yaw strings. *Can anyone recommend a good way to
> remove old tape residue without doing violence to the canopies?
>
> Thanks,
>
> Mark -- B9

Try 3M's "General Purpose Adhesive Remover" Part Number: 08984

It's excellent on a number of surface types. I can't recall using it
on Plexiglas--but get a can and try it on a scrap piece. I've found
the product online and at Ace Hardware. It's great on my painted
surface for removing gap seal tape residue--and it doesn't affect the
acrylic finish.

What I do now with my string: drill a very small hole at the point
where you want the string on the canopy. Insert the yarn string and
secure with a small "keeper" from the inside. This totally eliminates
the tape. The keeper I use is a hobby-store RC accessory used for push
rod connections. Made of nylon, I super glue it to the string and it
works well. Doesn't mar the canopy.

bumper
March 22nd 09, 05:36 PM
"BravoNiner" > wrote in message
...
> Time to replace some yaw strings. Can anyone recommend a good way to
> remove old tape residue without doing violence to the canopies?
>
> Thanks,
>
> Mark -- B9


Mark,

I've used denatured alcohol with a clean microfiber cloth. Saturate a small
section of cloth and gently rub over the old adhesive. Depending on the type
of tape use, this can be an arduous process. You can use your fingernail to
help, though this can sometimes result in scratches.

My MKIII "high tech" yaw string avoids the tape residue problem. After a two
year outdoor exposure test (in California sun), the outer clear plastic
layer of the MKIII base lifts off leaving the clear adhesive behind. Then
the clear adhesive easily and cleanly "rolls off" the canopy with finger
pressure. Besides, the MKIII looks nicer than tape.

bumper
Quiet Vent and MKIII yaw string
bum per m at att dot net

March 22nd 09, 07:58 PM
We're updating our entire fleet with the MKIII yaw string. No excuse
not to -- it's not expensive and it looks so much better than yarn and
tape. It changes the appearance from that of an afterthought to a
proper flight instrument. Besides that, if we can keep Bumper busy
making them he won't come mooch lunch off us all the time. Fred

vontresc
March 22nd 09, 08:00 PM
On Mar 22, 12:36*pm, "bumper" > wrote:
> "BravoNiner" > wrote in message
>
> ...
>
> > Time to replace some yaw strings. *Can anyone recommend a good way to
> > remove old tape residue without doing violence to the canopies?
>
> > Thanks,
>
> > Mark -- B9
>
> Mark,
>
> I've used denatured alcohol with a clean microfiber cloth. Saturate a small
> section of cloth and gently rub over the old adhesive. Depending on the type
> of tape use, this can be an arduous process. You can use your fingernail to
> help, though this can sometimes result in scratches.
>
> My MKIII "high tech" yaw string avoids the tape residue problem. After a two
> year outdoor exposure test (in California sun), the outer clear plastic
> layer of the MKIII base lifts off leaving the clear adhesive behind. Then
> the clear adhesive easily and cleanly "rolls off" the canopy with finger
> pressure. Besides, the MKIII looks nicer than tape.
>
> bumper
> Quiet Vent and MKIII yaw string
> bum per m at att dot net

So Bumper Being a relative newbie, what is a Mk III yaw string????

Pete

March 22nd 09, 09:09 PM
Newbie, schnewbie. The problem is, he's too cheap to advertise. So
you only learn about them from first-hand experience. And once you
see one ya gotta git one yourself! The thing is, good enough seems
good enough for most of us until someone comes along and improves on
it, then you think "why didn't I think of that?" Bumper makes a habit
of thinking of those fixes that we all would have thought of if we
were not satisfied with the status quo. Maybe he'll toot his own horn
on RAS, but I kinda doubt it. Shy, don't you know. There's just one
thing -- when you order your MKIII, ask him how he came up with the
brilliant idea for the installation tool! It's genius!


Fred

Mike Schumann
March 22nd 09, 09:17 PM
So what is it and where do you get it??????

Mike Schumann

> wrote in message
...
> Newbie, schnewbie. The problem is, he's too cheap to advertise. So
> you only learn about them from first-hand experience. And once you
> see one ya gotta git one yourself! The thing is, good enough seems
> good enough for most of us until someone comes along and improves on
> it, then you think "why didn't I think of that?" Bumper makes a habit
> of thinking of those fixes that we all would have thought of if we
> were not satisfied with the status quo. Maybe he'll toot his own horn
> on RAS, but I kinda doubt it. Shy, don't you know. There's just one
> thing -- when you order your MKIII, ask him how he came up with the
> brilliant idea for the installation tool! It's genius!
>
>
> Fred

March 22nd 09, 09:34 PM
He's on his way to the mall right this minute, but he'll answer later
today. My description wouldn't do it justice! Fred

BT
March 22nd 09, 09:38 PM
also try "goo gone" on a scrap piece first

"BravoNiner" > wrote in message
...
> Time to replace some yaw strings. Can anyone recommend a good way to
> remove old tape residue without doing violence to the canopies?
>
> Thanks,
>
> Mark -- B9

BT
March 22nd 09, 09:39 PM
Pictures.. we need pictures

> wrote in message
...
> He's on his way to the mall right this minute, but he'll answer later
> today. My description wouldn't do it justice! Fred

Darryl Ramm
March 22nd 09, 09:43 PM
On Mar 22, 10:24*am, wrote:
> On Mar 22, 11:55*am, BravoNiner > wrote:
>
> > Time to replace some yaw strings. *Can anyone recommend a good way to
> > remove old tape residue without doing violence to the canopies?
>
> > Thanks,
>
> > Mark -- B9
>
> Try 3M's "General Purpose Adhesive Remover" Part Number: 08984
>
> It's excellent on a number of surface types. I can't recall using it
> on Plexiglas--but get a can and try it on a scrap piece. I've found
> the product online and at Ace Hardware. It's great on my painted
> surface for removing gap seal tape residue--and it doesn't affect the
> acrylic finish.
>
> What I do now with my string: drill a very small hole at the point
> where you want the string on the canopy. Insert the yarn string and
> secure with a small "keeper" from the inside. This totally eliminates
> the tape. The keeper I use is a hobby-store RC accessory used for push
> rod connections. Made of nylon, I super glue it to the string and it
> works well. Doesn't mar the canopy.

No, the horror. Drilling a hole in the canopy for a yaw string?

Bumper's yaw strings are the way to go. The clear plastic base looks
so professional.

Darryl

Nyal Williams[_2_]
March 22nd 09, 11:30 PM
Yes, but he needs a whole team of editors to re-write those instructions!
Geez!

I spent the afternoon putting them on our club's fleet, front and back
seats. Come fly with us at Central Indiana Soaring Society and we'll show
you how they work.

(I'll admit that I shortened the process by using a little bit of the
eyeball judiciary instead of all that measuring, trimming cutting, sitting
inside with a dot, etc. Mine look pretty good [enough for students] but
they would have been better looking if I had done all that other stuff. I
did use a string to find the centerline.)



At 21:09 22 March 2009, wrote:
>Newbie, schnewbie. The problem is, he's too cheap to advertise. So
>you only learn about them from first-hand experience. And once you
>see one ya gotta git one yourself! The thing is, good enough seems
>good enough for most of us until someone comes along and improves on
>it, then you think "why didn't I think of that?" Bumper makes a
habit
>of thinking of those fixes that we all would have thought of if we
>were not satisfied with the status quo. Maybe he'll toot his own horn
>on RAS, but I kinda doubt it. Shy, don't you know. There's just one
>thing -- when you order your MKIII, ask him how he came up with the
>brilliant idea for the installation tool! It's genius!
>
>
>Fred
>

bumper
March 23rd 09, 02:09 AM
"BT" > wrote in message
...
> Pictures.. we need pictures
>

Apologies for the commercial post:

Sorry, I don't have a website. Haven't figured out how to do that yet . . .
and I'm not sure I really want that much business. I'm supposed to be
retired :c). That may explain why I haven't advertised yet - - that, and as
Fred say, I'm cheap. Mine is a small "hobby" operation, mostly to share some
of the things I invent with others.

I've posted a some photos at:

http://s674.photobucket.com/albums/vv107/bumperm/

There's several photos of the MKIII yaw string and one of the Quiet Vent.
The quiet vent pictured is colored with a felt tip marker so it shows up - -
installed it's transparent. The QV reduces noise from the Mecaplex vent by
10dba, and to my hearing, all but eliminates the objectionable low frequency
component of the vent noise. At $6, it's gotta be the cheapest thing you can
buy for your glider. Satisfaction guaranteed, of course.

For more info, send me an email at
bumper m at att dot net (change "at" to @ and eliminate the spaces).

bumper
zz
Minden, NV

vontresc
March 23rd 09, 03:28 AM
On Mar 22, 9:09*pm, "bumper" > wrote:
> "BT" > wrote in message
>
> ...
>
> > Pictures.. we need pictures
>
> Apologies for the commercial post:
>
> Sorry, I don't have a website. Haven't figured out how to do that yet . .

March 23rd 09, 04:25 AM
It's more than slick -- it looks professional especially if the
alternative is some ragged piece of yarn under a ragged piece of tape
with adhesive weeping out around the edes. But do ask for the story
on that fancy installation tool! Fred

bumper
March 23rd 09, 07:23 AM
> wrote in message
...
>
> It's more than slick -- it looks professional especially if the
> alternative is some ragged piece of yarn under a ragged piece of tape
> with adhesive weeping out around the edes. But do ask for the story
> on that fancy installation tool! Fred


I can tell Fred's not gonna let go of this bone until I tell the story. Here
goes:

A couple of summers back, Fred was busy installing a MKII and Quiet Vent on
each of the gliders Baron Hilton sent over to Minden to have annulled. Fred
has a definite knack for getting yaw strings on crooked, and since I obsess
over having them straight, I'd go along afterwards and pull the crooked ones
off and replace them - - at my cost.

To Fred's credit, and probably because he's a fumble fingers, he came up
with a neat idea to hold the MKII as an aid in getting it installed
straight. By passing the MKII yarn through a short length of soda straw, the
straw works as a handle to allow precise positioning of the MKII clear base
on the canopy.

Of course, any person with normal dexterity and fine motor skills wouldn't
need a crutch like this. But it was a good idea, and since it does make
installation easier for klutzes, I include the soda straw handle with each
MKIII (supersedes MKII). Fred thinks he deserves a royalty . . . I told him
thank you and bought him lunch at the Taildragger.

bumper

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