Today's Message Index:
----------------------
0. 12:13 AM - Coming Soon - The List of Contributors - Please Make A Contribution Today! (Matt Dralle)
1. 06:03 AM - Re: Anyone who can spare a small sample of Araldite 420? (nigel_graham@m-tecque.co.uk)
2. 08:07 AM - Re: Fuel System for 914 (William Daniell)
3. 08:24 AM - araldite 420 (redux) storage life (Rowland Carson)
4. 08:58 AM - Re: araldite 420 (redux) storage life (Peter Zutrauen)
5. 09:30 AM - Re: Anyone who can spare a small sample of Araldite 420? (Andrew Sarangan)
6. 09:37 AM - Re: Re: Intercom Do you need one (Rowland Carson)
7. 09:49 AM - Re: Anyone who can spare a small sample of Araldite 420? (Andrew Sarangan)
8. 11:10 AM - Re: Anyone who can spare a small sample of Araldite 420? (phillik747)
9. 03:05 PM - airplast pv50 problem (g-fizy)
10. 07:03 PM - Raglan Video (Tim Ward)
11. 07:16 PM - Re: Raglan Video (Robert Borger)
12. 10:08 PM - Re: Arplast PV50 problem (Gerry Holland)
13. 11:41 PM - Re: Raglan Video (goff)
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| Subject: | Coming Soon - The List of Contributors - Please Make A Contribution |
Today!
Each year at the end of the List Fund Raiser, I post a message acknowledging everyone
that so generously made a Contribution to support the Lists. Its my way
of publicly thanking everyone that took a minute to show their appreciation
for the Lists.
Please take a moment and assure that your name is on that List of Contributors
(LOC)! As a number of members have pointed out over the years, the List seems
at least as valuable a building / entertainment tool as your typical magazine
subscription!
Assure that your name is on this year's LOC! Show others that you appreciate the
Lists. Making a Contribution to support the Lists is fast and easy using your
Credit card or Paypal on the Secure Web Site:
http://www.matronics.com/contribution
or by dropping a personal check in the mail to:
Matt Dralle / Matronics
581 Jeannie Way
Livermore CA 94550
I would like to thank everyone that has so generously made a Contribution thus
far in this year's List Fund Raiser! Remember that its YOUR support that keeps
these Lists going and improving! Don't forget to include a little comment about
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Best regards,
Matt Dralle
Matronics Email List Administrator
Message 1
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| Subject: | Re: Anyone who can spare a small sample of Araldite 420? |
Andrew,
I read your post with interest as I have pondered the same question.
I bought my first kit in 1994. It was supplied with two cans of Redux,
one of which I opened and began using until the project ground to a halt
(like so many), the other remained sealed.
Long after the "use-by" date, I resumed construction and mindful of the
age of the Redux but curios as to how it degraded with time, I contacted
Ciba-Geigy and was lucky enough to be able to speak to one of their
research chemists.
Refreshingly honest, he assured me that both resin and hardener are
totally inert and very stable and that, in theory, it would not degrade
over time. When I asked why they advised a 36 month "use by" shelf-life,
he answered that as epoxies were relatively "modern", there was no
historical evidence of any degradation and that it was only added to
placate various regulating authorities.He did warn that the yellow resin
would most likely crystallize over time, but that chemically it was
unaltered and a gentle warming in a water bath would restore it to its
original liquid state (the opened can subsequently did, as predicted,
and was restored exactly as advised).
Returning to my two original cans, both had a use-by date of October
1998 -- I still have them and continue to use them today, 18 years after
manufacture. It works perfectly.
This also remains true of other epoxies. My SP Systems Ampreg 20 still
performs perfectly (expiry 1999) and my super-expensive Polyfibre
"Super-Fill" works perfectly too (expiry 1999).
Before the finger wagging begins, I should explain that I acquired the
mortal remains of a cart-wheeled Europa to allow me to develop repair
strategies for the compression fractured ailerons, flaps and tail. --
The time-ex'd epoxy was used on these. The resulting components are
indistinguishable from new-build parts. I keep test samples of each
resin mix in clear plastic egg-boxes, with encapsulated paper slips
listing date, batch no and component-used-on in each compartment for
trace-ability.
Here is a link to the Redux (Araldite) 420 data sheet listing the target
peel strength test figures:
http://www.ambercomposites.com/downloads/datasheet/araldite-420-tds-v1.pdf
atb
Nigel
On 06/11/2013 17:54, Andrew Sarangan wrote:
> Snip .....I am hoping someone can send me a small sample of unexpired Araldite
> 420 for comparative testing.
>
>
Message 2
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| Subject: | Fuel System for 914 |
Thanks jan
Yours
Will
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Jan de Jong
Sent: Wednesday, November 06, 2013 17:41
Subject: Re: Europa-List: Fuel System for 914
I believe it makes pressure regulation easier. Pressure regulation works by
returning not needed flow (that is most of the forward flow) to the tank.
With pumps in parallel the second pump doubles the flow which requires quick
action from the regulator; also, the maximum pressure drop in the return
line (0.25 bar?) is easily exceeded . With pumps in series the second pump
does almost nothing (except double the maximum attainable pressure at no
flow condition - not relevant - and making it doubly certain that the
required flow is there).
Jan de Jong
On 11/6/2013 9:49 PM, William Daniell wrote:
Message 3
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| Subject: | araldite 420 (redux) storage life |
To add to (or further confuse!) the recent thread about shelf life of Redux, I
notice that recent batches of Araldite 420 are supplied with the hardener in opaque
balck plastic containers, rather than the former clear glass bottles. A
while back, when I came to bond in my cockpit module, I found that one such bottle
of hardener (not long since purchased, and well within date) had developed
a "starved horse" look, and the liquid inside was not the usual blue colour
but black. For the CM bond, I switched to using older (but still blue) hardener.
Since then, I've run some tests on the black hardener (which produces a noticeably
different-coloured mix from the blue) and it seems to have sufficiently
good bond qualities - my tests on pieces of layup always parted in the Ampreg-bonded
section rather than at the Redux-bonded line. However, I'm wondering
if I am the only one who's come across this - or what the man from Ciba-Giegy
would say about it.
Just to be safe, when I last collected a pack of Redux from Kirkbymoorside, I decanted
the hardener into a glass container with a good seal as soon I got home,
and it's staying the right colour.
in friendship
Rowland
| Rowland Carson ... that's Rowland with a 'w' ...
| <rowlandcarson@gmail.com> http://www.rowlandcarson.org.uk
| Skype, Twitter: rowland_carson Facebook: Rowland Carson
| pictures: http://picasaweb.google.com/rowlandcarson
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| Subject: | Re: araldite 420 (redux) storage life |
Hi Rowland!
Indeed I came across the same hardener container issue when I received my
last two new "in-date" kits of Redux (*araldite*
420<https://www.google.ca/search?client=firefox-a&hs=B5o&rls=org.mozilla:en-US:official&q=araldite+420&spell=1&sa=X&ei=jcV7Ur-aKMH54APKxYCIDw&ved=0CCkQvwUoAA>here
in NA). Upon receipt, it was still blue, and I transferred the
hardener into clear glass bottles with screw tops. It's stayed blue ever
since. I have noted that the hardener is really nasty smelly stuff, so I'm
not surprised that some of that nastyness is lost through the plastic
containers over time :-)
Cheers,
Pete
A239
ps- I still recollect with affection and appreciation my visit to you and
others a couple of years ago. :-) I really need to get my parts into
proper formation! Hopefully you will soon!
On Thu, Nov 7, 2013 at 11:23 AM, Rowland Carson <rowlandcarson@gmail.com>wrote:
> >
>
> To add to (or further confuse!) the recent thread about shelf life of
> Redux, I notice that recent batches of Araldite 420 are supplied with the
> hardener in opaque balck plastic containers, rather than the former clear
> glass bottles. A while back, when I came to bond in my cockpit module, I
> found that one such bottle of hardener (not long since purchased, and well
> within date) had developed a "starved horse" look, and the liquid inside
> was not the usual blue colour but black. For the CM bond, I switched to
> using older (but still blue) hardener. Since then, I've run some tests on
> the black hardener (which produces a noticeably different-coloured mix from
> the blue) and it seems to have sufficiently good bond qualities - my tests
> on pieces of layup always parted in the Ampreg-bonded section rather than
> at the Redux-bonded line. However, I'm wondering if I am the only one who's
> come across this - or what the man from Ciba-Giegy would say about it.
>
> Just to be safe, when I last collected a pack of Redux from
> Kirkbymoorside, I decanted the hardener into a glass container with a good
> seal as soon I got home, and it's staying the right colour.
>
> in friendship
>
> Rowland
>
>
>
Message 5
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| Subject: | Re: Anyone who can spare a small sample of Araldite 420? |
Nigel
Thanks much for your input, and the link to the strength data.
I had a similar issue with Aeropoxy, and was told by one of their reps
that it should not be a problem. The only change I have noticed is the
hardener (PH3660) turns red and eventually very deep red despite being
in the original sealed container. Although the bond strength appeared
to be good, the hardener is pretty cheap and easy to acquire
($35/quart) so that is what I did. But the Araldite 420 is pricey. It
doesn't seem possible just buy the hardener separately. The resin and
hardener comes as a single kit, and I was quoted $900 for a single can
from the only US source I could find.
On Thu, Nov 7, 2013 at 9:02 AM, nigel_graham@m-tecque.co.uk
<nigel_graham@m-tecque.co.uk> wrote:
> Andrew,
>
>
> I read your post with interest as I have pondered the same question.
>
> I bought my first kit in 1994. It was supplied with two cans of Redux, one
> of which I opened and began using until the project ground to a halt (like
> so many), the other remained sealed.
>
> Long after the use-by date, I resumed construction and mindful of the age
> of the Redux but curios as to how it degraded with time, I contacted
> Ciba-Geigy and was lucky enough to be able to speak to one of their research
> chemists.
>
> Refreshingly honest, he assured me that both resin and hardener are totally
> inert and very stable and that, in theory, it would not degrade over time.
> When I asked why they advised a 36 month use by shelf-life, he answered
> that as epoxies were relatively modern, there was no historical evidence
> of any degradation and that it was only added to placate various regulating
> authorities. He did warn that the yellow resin would most likely
> crystallize over time, but that chemically it was unaltered and a gentle
> warming in a water bath would restore it to its original liquid state (the
> opened can subsequently did, as predicted, and was restored exactly as
> advised).
>
>
> Returning to my two original cans, both had a use-by date of October 1998
> I still have them and continue to use them today, 18 years after
> manufacture. It works perfectly.
>
>
> This also remains true of other epoxies. My SP Systems Ampreg 20 still
> performs perfectly (expiry 1999) and my super-expensive Polyfibre
> Super-Fill works perfectly too (expiry 1999).
>
>
> Before the finger wagging begins, I should explain that I acquired the
> mortal remains of a cart-wheeled Europa to allow me to develop repair
> strategies for the compression fractured ailerons, flaps and tail. The
> time-exd epoxy was used on these. The resulting components are
> indistinguishable from new-build parts. I keep test samples of each resin
> mix in clear plastic egg-boxes, with encapsulated paper slips listing date,
> batch no and component-used-on in each compartment for trace-ability.
>
>
> Here is a link to the Redux (Araldite) 420 data sheet listing the target
> peel strength test figures:
>
>
> http://www.ambercomposites.com/downloads/datasheet/araldite-420-tds-v1.pdf
>
>
> atb
>
>
> Nigel
>
> On 06/11/2013 17:54, Andrew Sarangan wrote:
>
> Snip .....I am hoping someone can send me a small sample of unexpired
> Araldite
> 420 for comparative testing.
>
>
Message 6
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| Subject: | Re: Intercom Do you need one |
On 6 Nov 2013, at 22:46, danny shepherd wrote:
> I have been flying now five years with the funkwerk ATR833, and have no problems
what so ever. I find it very easy to use and very intuative.
> When I bought mine it was a "Filser" :-) .
Danny - thanks for your encouraging message.
By the way, as perhaps a final postscript to this thread, my intercom (PS Engineering
PM 1000 II model 11902 serial VJ-09895) is now forsale on the Sales section
of the LAA bulletin board.
in friendship
Rowland
| Rowland Carson ... that's Rowland with a 'w' ...
| <rowlandcarson@gmail.com> http://www.rowlandcarson.org.uk
| Skype, Twitter: rowland_carson Facebook: Rowland Carson
| pictures: http://picasaweb.google.com/rowlandcarson
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| Subject: | Re: Anyone who can spare a small sample of Araldite 420? |
To add to that, the Araldite 420 I located in the U.S. seems to have a
different shelf life than the one I got from the UK. This is Araldite
420, not Epibond 420. The vendor (http://www.adhesivesforsale.com)
said his stock expires in 6 months. The original bottles were
apparently labeled for only 12 month expiry. So the expiration dates
are most likely related to regional issues such as liability and
record-keeping reasons more than the chemical itself.
On Thu, Nov 7, 2013 at 12:30 PM, Andrew Sarangan <asarangan@gmail.com> wrote:
> Nigel
>
> Thanks much for your input, and the link to the strength data.
>
> I had a similar issue with Aeropoxy, and was told by one of their reps
> that it should not be a problem. The only change I have noticed is the
> hardener (PH3660) turns red and eventually very deep red despite being
> in the original sealed container. Although the bond strength appeared
> to be good, the hardener is pretty cheap and easy to acquire
> ($35/quart) so that is what I did. But the Araldite 420 is pricey. It
> doesn't seem possible just buy the hardener separately. The resin and
> hardener comes as a single kit, and I was quoted $900 for a single can
> from the only US source I could find.
>
>
> On Thu, Nov 7, 2013 at 9:02 AM, nigel_graham@m-tecque.co.uk
> <nigel_graham@m-tecque.co.uk> wrote:
>> Andrew,
>>
>>
>>
>> I read your post with interest as I have pondered the same question.
>>
>> I bought my first kit in 1994. It was supplied with two cans of Redux, one
>> of which I opened and began using until the project ground to a halt (like
>> so many), the other remained sealed.
>>
>> Long after the use-by date, I resumed construction and mindful of the age
>> of the Redux but curios as to how it degraded with time, I contacted
>> Ciba-Geigy and was lucky enough to be able to speak to one of their research
>> chemists.
>>
>> Refreshingly honest, he assured me that both resin and hardener are totally
>> inert and very stable and that, in theory, it would not degrade over time.
>> When I asked why they advised a 36 month use by shelf-life, he answered
>> that as epoxies were relatively modern, there was no historical evidence
>> of any degradation and that it was only added to placate various regulating
>> authorities. He did warn that the yellow resin would most likely
>> crystallize over time, but that chemically it was unaltered and a gentle
>> warming in a water bath would restore it to its original liquid state (the
>> opened can subsequently did, as predicted, and was restored exactly as
>> advised).
>>
>>
>>
>> Returning to my two original cans, both had a use-by date of October 1998
>> I still have them and continue to use them today, 18 years after
>> manufacture. It works perfectly.
>>
>>
>>
>> This also remains true of other epoxies. My SP Systems Ampreg 20 still
>> performs perfectly (expiry 1999) and my super-expensive Polyfibre
>> Super-Fill works perfectly too (expiry 1999).
>>
>>
>>
>> Before the finger wagging begins, I should explain that I acquired the
>> mortal remains of a cart-wheeled Europa to allow me to develop repair
>> strategies for the compression fractured ailerons, flaps and tail. The
>> time-exd epoxy was used on these. The resulting components are
>> indistinguishable from new-build parts. I keep test samples of each resin
>> mix in clear plastic egg-boxes, with encapsulated paper slips listing date,
>> batch no and component-used-on in each compartment for trace-ability.
>>
>>
>>
>> Here is a link to the Redux (Araldite) 420 data sheet listing the target
>> peel strength test figures:
>>
>>
>>
>> http://www.ambercomposites.com/downloads/datasheet/araldite-420-tds-v1.pdf
>>
>>
>>
>> atb
>>
>>
>>
>> Nigel
>>
>> On 06/11/2013 17:54, Andrew Sarangan wrote:
>>
>> Snip .....I am hoping someone can send me a small sample of unexpired
>> Araldite
>> 420 for comparative testing.
>>
>>
>>
>>
>>
Message 8
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| Subject: | Re: Anyone who can spare a small sample of Araldite 420? |
There is always Graco.
http://www.gracosupply.com/CSearchs.aspx?Search=epibond+420&CategoryID=0&ManufacturerID=0&SectionID=3&PriceRange=0&SortBy=1&PageSize=12&AndOr=AND&DisplayMode=List&SearchPartNumbersOnly=0
They have a small 50ml tube.
I have been told, like the other builder here, that the expiration date really
doesn't mean anything. Just test it first. My guess is that certified manufactures
are required to adhere to non-expired items so this keeps the cash flow
going in Huntsman's favor.
Kyle
--------
Kyle
Europa Tri-gear (under construction)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=412421#412421
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| Subject: | airplast pv50 problem |
Hi all i am having a few problems with my pv50 prop ,it does not seem to move ,take
off is ok but as soon as i start to get to about 500 ft the engine speed
seems to go uncontrolled ,the controller seems not to be doing anything
it displays a change in pitch but i do not think that the actual prop pitch motor
is moving , the smart avionics controller manual says you can adjust the
prop with out the engine running ,I am guessing that if you put the controller
in manual mode and adjust the pitch the motor should move,but nothing happens
,please can some one confirm this ,as i dont fancy fault finding with a spinning
prop ,or has anyone got any ideas on fault finding .Please let me know
thanks jim
--------
owner g-fizy
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=412427#412427
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Hi Europa Flyers
My son, Angus, put this together flying from Raglan (North Island, New Zeala
nd) home to Rangiora in the South Island for a bit of fun.
Had a Ducati regulator failure on the way home above Mt Ruapehue eventually t
aking the battery out. Lost radio, transponder, GPS, engine instruments, Awa
re, TCAS, intercom, trim, fuel indicator and Airmaster propeller unit stuck i
n climb pitch, max continuous. Still had engine and wings which is all we ne
eded. Landed at Wanganui for new battery, arriving NORDO. So the iPad (Air N
av Pro) was excellent and the cell phone to warn the aero club at Wanganui w
e had no radio.
All in a days flying.
Cheers,
Tim
See;
>
> https://vimeo.com/78806298
Message 11
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| Subject: | Re: Raglan Video |
Tim,
Very nice. NZ is a beautiful country.
Blue skies & tailwinds,
Bob Borger
Europa XS Tri, Rotax 914, Airmaster C/S Prop.
Little Toot Sport Biplane, Lycoming Thunderbolt AEIO-320 EXP
3705 Lynchburg Dr.
Corinth, TX 76208-5331
Cel: 817-992-1117
rlborger@mac.com
On Nov 7, 2013, at 9:02 PM, Tim Ward <ward.t@xtra.co.nz> wrote:
Hi Europa Flyers
My son, Angus, put this together flying from Raglan (North Island, New
Zealand) home to Rangiora in the South Island for a bit of fun.
Had a Ducati regulator failure on the way home above Mt Ruapehue
eventually taking the battery out. Lost radio, transponder, GPS, engine
instruments, Aware, TCAS, intercom, trim, fuel indicator and Airmaster
propeller unit stuck in climb pitch, max continuous. Still had engine
and wings which is all we needed. Landed at Wanganui for new battery,
arriving NORDO. So the iPad (Air Nav Pro) was excellent and the cell
phone to warn the aero club at Wanganui we had no radio.
All in a days flying.
Cheers,
Tim
See;
>
> https://vimeo.com/78806298
Message 12
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| Subject: | Re: Arplast PV50 problem |
Jim Hi....It's Gerry.
Where is FIZY at moment? I'm quite happy to come down and take a look if
that's of use.
As you know i'm SW of Bath. If you are still at Thruxton then it's very
doable.
Let me know.
Regards
Gerry
Gerry Holland
gholland@content-stream.co.uk
+44 (0)7808 402404
White Ox Mead Airstrip, Bath. England
Message 13
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| Subject: | Re: Raglan Video |
Hello Tim,
Very nice compilation. Was the underwing camera attached to the tie down point?
I'd be interested to see a picture of the camera rig in place.
Did this affect the flying characteristics? Did you try any stalls with the rig
in place? If so, how did the stall characteristics alter?
Goff
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=412443#412443
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