Today's Message Index:
----------------------
1. 08:24 AM - Re: Source for Bakelite - 1/32" thick (Robert L. Nuckolls, III)
2. 10:14 AM - Materials notes: (Eric M. Jones)
3. 10:41 AM - Re: Materials notes: ()
4. 11:02 AM - Re: Source for Bakelite - 1/32" thick (Mark Harris)
5. 12:50 PM - Aviation crimp terminals. (John Cammarano)
6. 01:43 PM - Re: Aviation crimp terminals. (Jay Hyde)
7. 01:43 PM - Re: Materials notes: (Robert L. Nuckolls, III)
8. 01:54 PM - Re: wingtip vor antenna (Robert L. Nuckolls, III)
9. 02:00 PM - Re: Aviation crimp terminals. (Robert L. Nuckolls, III)
10. 02:46 PM - Re: Re: wingtip vor antenna (Mike Wynn)
11. 04:26 PM - Re: Materials notes: (Jim Wickert)
12. 05:12 PM - Re: Materials notes: (Paul Millner)
13. 06:43 PM - Re: Materials notes: (Jim Wickert)
14. 06:50 PM - Re: Materials notes: (Don)
Message 1
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Subject: | Source for Bakelite - 1/32" thick |
At 11:09 PM 3/17/2012, you wrote:
>
>Bob,
>I have one that has the wrong cap on it. I talked to Bob Archer and he told
>me thet the cap belongs on one of his dipole ant rather than on the
>monopole that it is installed on. He sent me a replacement cap that I have
>not installed yet. I can ship the entire thing to you for the experiment.
>You will also notice that the "Bakelite is different on each cap" Send me an
>address via the email address that shows with my name.
Interesting! You can send the stuff to me at
P.O. Box 130, Medicine Lodge, KS 67104-0130
or if you need to go UPS, then 209 Curry Lane
Bob . . .
Message 2
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Subject: | Materials notes: |
Bob is right-on regarding Bakelite. Nylon, acrylic, or glass-epoxy will usually
do.
When I have time I would like to write an article about the fine art of choosing
materials. This is not as simple as it sounds, but you get a whole lot smarter
if your choices are limited.
Some materials become fashionably and then fade: Viz--Teflon. It was once the wunderstuff,
now engineers would furrow their brows if one uses it. The DC-10 that
crashed in Chicago years ago had some teflon bearings. The investigating engineer
commented, "There's no place for teflon on an aircraft..." There are only
two or three legitimate uses for it, and that's it....and forget it because
the thing you're designing isn't one of them.
There are many people who can hardly believe they build airplanes from wood! When
I was in school I build camera lensboards from paper and glue and india ink.
They were still in service until I got rid of all my film-based cameras.
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=368817#368817
Message 3
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Subject: | Re: Materials notes: |
Eric,
There are STC's I've come across for teflon bushings for controls (e.g. for the
yoke stem). Just curious if there could be any material problems and why.
Rumen
---- "Eric M. Jones" <emjones@charter.net> wrote:
>
> Bob is right-on regarding Bakelite. Nylon, acrylic, or glass-epoxy will usually
do.
>
> When I have time I would like to write an article about the fine art of choosing
materials. This is not as simple as it sounds, but you get a whole lot smarter
if your choices are limited.
>
> Some materials become fashionably and then fade: Viz--Teflon. It was once the
wunderstuff, now engineers would furrow their brows if one uses it. The DC-10
that crashed in Chicago years ago had some teflon bearings. The investigating
engineer commented, "There's no place for teflon on an aircraft..." There are
only two or three legitimate uses for it, and that's it....and forget it because
the thing you're designing isn't one of them.
>
> There are many people who can hardly believe they build airplanes from wood!
When I was in school I build camera lensboards from paper and glue and india ink.
They were still in service until I got rid of all my film-based cameras.
>
> --------
> Eric M. Jones
> www.PerihelionDesign.com
> 113 Brentwood Drive
> Southbridge, MA 01550
> (508) 764-2072
> emjones(at)charter.net
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368817#368817
>
>
>
>
>
>
>
>
>
>
Message 4
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Subject: | Re: Source for Bakelite - 1/32" thick |
Hi Alfio
I am planning on doing the same do you have a drawing with the required dimensions
on.The drawing I have dose not have the dimensions.
Thanks
Mark
Rent our beautiful 3 bedroom luxury villa in Orlando, Florida.
View our virtual tour but book direct with us. See the link below:-
http://www.florida1strentals.com/property.php?id=21
Contact Emma and Mark Harris 01582 529820
harrisfloridavilla@hotmail.com
On 17 Mar 2012, at 11:48, "Alfio" <longeron@gmail.com> wrote:
>
> I am building a Wingtip VOR Antenna, and am in need of 1/32" thick bakelite (3.25"
x .8"). Any body have a source (mail order as reside in Canada) for this
bakelite? Thanks.
>
> Alfio
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368760#368760
>
>
>
>
>
>
>
>
>
>
>
Message 5
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Subject: | Aviation crimp terminals. |
Having read the info on the AeroElectric site regarding aviation quality
crimped terminals I feel I am much more informed as to their correct use
& installation but I do have a couple of questions. It would seem that
adding a small piece of a good quality shrink wrap, most likely clear,
over the terminal & the first portion of the wire entering the terminal
(in this case shielded) would add to the overall strength & stability of
the double crimped assembly. My questions are: 1) Is this legal on a
certificated aircraft? 2) Any compelling reason why this should not be
done? Thanks for any replies. Johnny
Message 6
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Subject: | Aviation crimp terminals. |
Johnny,
It's a very good idea to do that- however, there are times that it is not
required. The shrink wrap (by which I think you mean heat shrink), properly
applied, provides a great stress reliever to the wire/ crimp joint.
Generally I apply three layers of heat shrink- a long thin one first and
then two successively thicker ones, where the last layer goes over the
insulation of the crimp and then onto the two layers on the wire, so that
there are graduated layers of material that absorb vibration and provide
stress relief. I do this in areas where the wire does not immediately go
into a bundle that will support it from vibration.
Where you have a wire that can immediately be supported you do not need this
stress relief.
Jay
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of John
Cammarano
Sent: 18 March 2012 09:45 PM
Subject: AeroElectric-List: Aviation crimp terminals.
Having read the info on the AeroElectric site regarding aviation quality
crimped terminals I feel I am much more informed as to their correct use &
installation but I do have a couple of questions. It would seem that adding
a small piece of a good quality shrink wrap, most likely clear, over the
terminal & the first portion of the wire entering the terminal (in this case
shielded) would add to the overall strength & stability of the double
crimped assembly. My questions are: 1) Is this legal on a certificated
aircraft? 2) Any compelling reason why this should not be done? Thanks for
any replies. Johnny
Message 7
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Subject: | Re: Materials notes: |
At 12:12 PM 3/18/2012, you wrote:
When I have time I would like to write an article about the fine art
of choosing materials. This is not as simple as it sounds, but you
get a whole lot smarter if your choices are limited.
I would be pleased to mirror its publication
on aeroelectric.com . . .
Some materials become fashionably and then fade: Viz--Teflon. It was
once the wunderstuff, now engineers would furrow their brows if one
uses it. The DC-10 that crashed in Chicago years ago had some teflon
bearings. The investigating engineer commented, "There's no place for
teflon on an aircraft..." There are only two or three legitimate uses
for it, and that's it....and forget it because the thing you're
designing isn't one of them.
Some members on the List may recall some discussions
about Teflon insulated wire here on the List about
9 years ago. Use the search engine on the front page
at AeroElectric.com to find references to Teflon.
It's a neat material that is unparalleled for a few
applications . . . but as you've stated . . . very few.
Bob . . .
Message 8
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Subject: | Re: wingtip vor antenna |
At 01:01 PM 3/18/2012, you wrote:
>
>Hi Alfio
>
>I am planning on doing the same do you have a drawing with the
>required dimensions on.The drawing I have dose not have the dimensions.
Here's the data as published by Van's Air Force many moons
ago.
Emacs!
Bob . . .
Message 9
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Subject: | Re: Aviation crimp terminals. |
At 02:45 PM 3/18/2012, you wrote:
Having read the info on the AeroElectric site regarding aviation
quality crimped terminals I feel I am much more informed as to their
correct use & installation but I do have a couple of questions.
It would seem that adding a small piece of a good quality shrink
wrap, most likely clear, over the terminal & the first portion of the
wire entering the terminal (in this case shielded) would add to the
overall strength & stability of the double crimped assembly.
Where do you perceive a 'weakness'?
My questions are:
1) Is this legal on a certificated aircraft?
I've never seen it done . . . I'm not aware of
any prohibition either. But anyone with much experience
in aviation would ask you the same question I
posed above.
2) Any compelling reason why this should not be done?
Adds weight, time, cost of materials and bulk to
a wire termination without demonstrable benefit.
Bob . . .
Message 10
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Subject: | Re: wingtip vor antenna |
Bob,
Thanks for the Sunday surprise (VOR antenna diagram). Looks like I may
be building "a spare VOR ant" for the Lancair, as well.
I have not forgot to scan and frwd that flexible COM ant drwgn & desc.
Tonight.
Regards,
Mike W.
Moab, UT
*************8
----- Original Message -----
From: Robert L. Nuckolls, III
To: aeroelectric-list@matronics.com
Sent: Sunday, March 18, 2012 2:53 PM
Subject: AeroElectric-List: Re: wingtip vor antenna
At 01:01 PM 3/18/2012, you wrote:
<harrismarkr@hotmail.com>
Hi Alfio
I am planning on doing the same do you have a drawing with the
required dimensions on.The drawing I have dose not have the dimensions.
Here's the data as published by Van's Air Force many moons
ago.
Bob . . .
Message 11
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Subject: | Materials notes: |
Some of the best non-metallic bearing materials are made by IGUS. I have
used then in many industrial designs and they are very economical in small
qty.
Jim Wickert
Vision #159
Tel 920-467-0219
Cell 920-912-1014
Vision Some will have it some will not!!!
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Eric M.
Jones
Sent: Sunday, March 18, 2012 12:13 PM
Subject: AeroElectric-List: Materials notes:
--> <emjones@charter.net>
Bob is right-on regarding Bakelite. Nylon, acrylic, or glass-epoxy will
usually do.
When I have time I would like to write an article about the fine art of
choosing materials. This is not as simple as it sounds, but you get a whole
lot smarter if your choices are limited.
Some materials become fashionably and then fade: Viz--Teflon. It was once
the wunderstuff, now engineers would furrow their brows if one uses it. The
DC-10 that crashed in Chicago years ago had some teflon bearings. The
investigating engineer commented, "There's no place for teflon on an
aircraft..." There are only two or three legitimate uses for it, and that's
it....and forget it because the thing you're designing isn't one of them.
There are many people who can hardly believe they build airplanes from wood!
When I was in school I build camera lensboards from paper and glue and india
ink. They were still in service until I got rid of all my film-based
cameras.
--------
Eric M. Jones
www.PerihelionDesign.com
113 Brentwood Drive
Southbridge, MA 01550
(508) 764-2072
emjones(at)charter.net
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=368817#368817
Message 12
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Subject: | Re: Materials notes: |
IGUS? What's that?
Paul
Sent from my iPhone
On Mar 18, 2012, at 4:25 PM, Jim Wickert <jimw_btg@earthlink.net> wrote:
>
> Some of the best non-metallic bearing materials are made by IGUS. I have
> used then in many industrial designs and they are very economical in small
> qty.
>
> Jim Wickert
> Vision #159
> Tel 920-467-0219
> Cell 920-912-1014
> Vision Some will have it some will not!!!
>
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
> [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Eric M.
> Jones
> Sent: Sunday, March 18, 2012 12:13 PM
> To: aeroelectric-list@matronics.com
> Subject: AeroElectric-List: Materials notes:
>
> --> <emjones@charter.net>
>
> Bob is right-on regarding Bakelite. Nylon, acrylic, or glass-epoxy will
> usually do.
>
> When I have time I would like to write an article about the fine art of
> choosing materials. This is not as simple as it sounds, but you get a whole
> lot smarter if your choices are limited.
>
> Some materials become fashionably and then fade: Viz--Teflon. It was once
> the wunderstuff, now engineers would furrow their brows if one uses it. The
> DC-10 that crashed in Chicago years ago had some teflon bearings. The
> investigating engineer commented, "There's no place for teflon on an
> aircraft..." There are only two or three legitimate uses for it, and that's
> it....and forget it because the thing you're designing isn't one of them.
>
> There are many people who can hardly believe they build airplanes from wood!
> When I was in school I build camera lensboards from paper and glue and india
> ink. They were still in service until I got rid of all my film-based
> cameras.
>
> --------
> Eric M. Jones
> www.PerihelionDesign.com
> 113 Brentwood Drive
> Southbridge, MA 01550
> (508) 764-2072
> emjones(at)charter.net
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368817#368817
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
Message 13
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Subject: | Materials notes: |
Hello Paul,
IGUS is a non metallic bearing manufacturer the produces everything from
bushings to bearings, rails etc. I have been using them on applications
from my Engineering company. Extremely great products and people to work
with, very price competitive and a product for just about every application.
Right now I have several projects taking place one a Government Hydrofoil
that will have a compensating or rather changing shape during operation
relative to load, speed, etc. Salt water application very abusive
atmosphere. The product has tested out fantastic, another project extremely
high speed pharm packaging machine, high speed, high load rapid direction
changes. Another is the New Side Stick Dual Control for the Vision EX
aircraft.
I have been using them for over 15 years now.
Here is their website.
http://www.igus.com/default.asp?WT.srch=1&WT.mc_id=gadUS75&c=US&L=en&gclid=C
M6Sl5Po8a4CFcVdTAodIx_OIA
Any additional question please feel free to contact me anytime, I can help
and have an account with them.
Jim Wickert
Vision #159
Tel 920-467-0219
Cell 920-912-1014
"Vision some will have it some will not"
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Paul
Millner
Sent: Sunday, March 18, 2012 7:11 PM
Subject: Re: AeroElectric-List: Materials notes:
IGUS? What's that?
Paul
Sent from my iPhone
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368817#368817
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
Message 14
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Subject: | Materials notes: |
http://www.igus.com/default.asp?c=us&L=en
-----Original Message-----
From: owner-aeroelectric-list-server@matronics.com
[mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Paul
Millner
Sent: Sunday, March 18, 2012 5:11 PM
Subject: Re: AeroElectric-List: Materials notes:
IGUS? What's that?
Paul
Sent from my iPhone
On Mar 18, 2012, at 4:25 PM, Jim Wickert <jimw_btg@earthlink.net> wrote:
<jimw_btg@earthlink.net>
>
> Some of the best non-metallic bearing materials are made by IGUS. I have
> used then in many industrial designs and they are very economical in small
> qty.
>
> Jim Wickert
> Vision #159
> Tel 920-467-0219
> Cell 920-912-1014
> Vision Some will have it some will not!!!
>
> -----Original Message-----
> From: owner-aeroelectric-list-server@matronics.com
> [mailto:owner-aeroelectric-list-server@matronics.com] On Behalf Of Eric M.
> Jones
> Sent: Sunday, March 18, 2012 12:13 PM
> To: aeroelectric-list@matronics.com
> Subject: AeroElectric-List: Materials notes:
>
> --> <emjones@charter.net>
>
> Bob is right-on regarding Bakelite. Nylon, acrylic, or glass-epoxy will
> usually do.
>
> When I have time I would like to write an article about the fine art of
> choosing materials. This is not as simple as it sounds, but you get a
whole
> lot smarter if your choices are limited.
>
> Some materials become fashionably and then fade: Viz--Teflon. It was once
> the wunderstuff, now engineers would furrow their brows if one uses it.
The
> DC-10 that crashed in Chicago years ago had some teflon bearings. The
> investigating engineer commented, "There's no place for teflon on an
> aircraft..." There are only two or three legitimate uses for it, and
that's
> it....and forget it because the thing you're designing isn't one of them.
>
> There are many people who can hardly believe they build airplanes from
wood!
> When I was in school I build camera lensboards from paper and glue and
india
> ink. They were still in service until I got rid of all my film-based
> cameras.
>
> --------
> Eric M. Jones
> www.PerihelionDesign.com
> 113 Brentwood Drive
> Southbridge, MA 01550
> (508) 764-2072
> emjones(at)charter.net
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=368817#368817
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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