Today's Message Index:
----------------------
1. 06:06 AM - A new Europa video. Featuring Andy Draper. (Hitchflight)
2. 12:24 PM - Re: A new Europa video. Featuring Andy Draper. (JonathanMilbank)
3. 01:12 PM - Re: A new Europa video. Featuring Andy Draper. (Hitchflight)
4. 02:38 PM - Re: Reaming of spar and CM bushes (William Daniell)
5. 02:39 PM - Re: Reaming of spar and CM bushes (n7188u)
6. 05:38 PM - Re: Reaming of spar and CM bushes (Bud Yerly)
7. 06:32 PM - Europa monowheel instrument panel cad drawing (Rich)
Message 1
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| Subject: | A new Europa video. Featuring Andy Draper. |
https://www.theeuropaclub.org/the-europa/video-log-in-required/a-brief-history-of-the-europa
Andy Draper shares hitherto little known facts and pictures during this remarkable
presentation. A warm and welcoming audience included Ivan Shaw.
Enjoy!
Regards
Bob
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490808#490808
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| Subject: | Re: A new Europa video. Featuring Andy Draper. |
So how do I log in? I can't see where on the page is stated "Log in". Blame it
on advancing decrepitude!
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490811#490811
Message 3
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| Subject: | Re: A new Europa video. Featuring Andy Draper. |
JonathanMilbank wrote:
> So how do I log in? I can't see where on the page is stated "Log in". Blame it
on advancing decrepitude!
Its the normal member Log-in page:
https://www.theeuropaclub.org/members/
Then when you next visit:
https://www.theeuropaclub.org/the-europa/video-log-in-required/a-brief-history-of-the-europa
the video will appear.
Many Club members find it useful to set their tablet to default acceptance of their
unique password.
If a password has been forgotten, it can be retrieved here:
https://www.theeuropaclub.org/members/forgotten-password
Trust that helps.
Regards
Bob
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490813#490813
Message 4
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| Subject: | Re: Reaming of spar and CM bushes |
You rotated the pins in flight?!! Yikes!
It kinda makes sense but ....
William Daniell
LONGPORT
On Sun, Aug 11, 2019 at 4:35 AM D McFadyean <ami-mcfadyean@talktalk.net>
wrote:
> I would add that in level flight at 1g, my spar pins are as easy to rotat
e
> in their holes as when sat on the ground.
>
>
> DMcF.
>
> On 11 August 2019 at 09:19 D McFadyean <ami-mcfadyean@talktalk.net>
> wrote:
>
> That analysis assumes the fuselage structure to be inelastic and utterly
> unyielding, whilst the spar is privaleged to flex.
>
> All of the vertical loads going in to the lift pins have to pass through
> the fus structure too, which will yield to a greater or lesser extent.
>
>
> Duncan Mcf.
>
> On 10 August 2019 at 22:47 Pete <peterz@zutrasoft.com> wrote:
>
>
> What i have never understood, is why the cockpit module spar pin bushings
> are not vertical slots, because when the wings are flexing under G, the
> lift pins take the fuse lift loads, and the spar flexing (under positive
> G) actually force the spar pins _downard_ against the cockpit
> module....obviously totally counter-productive.
>
> Pete
> A239
>
> On Aug 10, 2019, at 5:29 PM, Bud Yerly < budyerly@msn.com> wrote:
>
> Fred,
>
> Back before my time when mod 52 was done for the GW increase. The classi
c
> had two 3/8 pins originally. Mod 52 uses the =C2=BD inch pins and a spar
strap .
>
>
> As the wings pull forward under load, the fuselage would flex so they put
> in the cross bar and the new sockets.
>
>
> Then the concern was that the starboard wing spar could become dislodged
> from the socket and interfere with controls. The quick fix was to hold i
n
> the spar tip with a pip pin. The port wing was figured would stay put, a
nd
> the spar strap would prevent flexing of the spar.
>
>
> That is all I know. Andy would have the particulars on the detailed
> history. It sort of all makes sense.
>
>
> Best Regards,
>
> Bud Yerly
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=550986> for
> Windows 10
>
>
> ------------------------------
> *From:* owner-europa-list-server@matronics.com <
> owner-europa-list-server@matronics.com> on behalf of Fred Klein <
> freddythek10@gmail.com>
> *Sent:* Thursday, August 8, 2019 1:29:43 AM
> *To:* europa-list <europa-list@matronics.com>
> *Subject:* Re: Europa-List: Reaming of spar and CM bushes
>
> Budyou mention the use of the SouthCo pip pin on the port side a
nd the
> Allen bolt pin on starboard.
>
> Do you know the reason for using different types of pins here?
>
> Is there any downside to using SouthCo pip pins both port and
> starboard?seems I=99ve heard that some builders have done
so.
>
> Fred
>
> On Aug 7, 2019, at 8:35 PM, Bud Yerly < budyerly@msn.com> wrote:
>
> The SouthCo pip pin is nominally .4985 inches.
> The Allen bolt pin for the starboard side is .497 to .495.
>
>
Message 5
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| Subject: | Re: Reaming of spar and CM bushes |
I installed my wings around 3 months ago. In my case, maybe luck, I had no need
for reaming or do I need tapered pins to install the wings now. I need to clarify
that as the former owner of a couple fo gliders I have plenty of experience
assembling the wings on these kind of planes so I have a feel for moving wings
and wiggling them to achieve proper alignment before I drive the pins in.
I use saw horses when installing the wings. In the case of my Europa, minute
adjustments of the wings (up, down, fwd and aft) will result in either perfectly
aligned bushings or pins that will not go in. I don't force if the pins don't
go in, I re-adjust the wings and try again. But I do know my pins will go in
easely if things are set properly so I just adjust until pins go in.
The reason I attribute the proper bushing alignment in my plane is that I didn't
follow the manual when it came to cockpit module bushing installation. I waited
until the wings where being fitted to the fuselage. Not easy to do and required
some custom made tools to make it happen. I am not advocating not following
the manual but I found that the way the manual told you to bond these bushings
so early in the build and then expect them to align at the end made no sense.
My wings mated perfectly when rigged outside the airplane so I figured that
all I had to do was make sure those CM bushings were not out of alignment at
the end.
BTW, I used a bubble level used for leveling machine shop machines which are ridiculously
accurate for setting the wings incidence (what fun did I have, it drove
me crazy!!). Also, and this may be contrary to some advice, I was more concerned
about incidence than sweep. That doesn't mean I didn't got sweep very
close, but I didn't force the wings to have perfect sweep (I think I got within
.05" - .1"). My reasoning here was that if you force the wings to have a perfect
sweep before setting the lift pins, when taken apart they will never want
to go in smooth and easy again. So my rule during lift pin setup was to not force
the wings fore and aft too much so as to prevent throwing the spar bushings
out of alignment.
If interested, go to my build site (https://myeaa.org/?myproject&proj=7S3RojQBL&cat=wings&listcat=)
and scroll down until you find the entry about bonding the
CM bushings. The entries in this log are not intended to be assembly instructions
so I don't know how clear it will be. If you have questions ask but I would
never override anything Bud instructs (he has been my mentor for this build
and an invaluable resource). I still have to fly this plane to find out if these
stuff I did will result in a nice flying plane so don't trust anything I
say :)
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490815#490815
Message 6
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| Subject: | Reaming of spar and CM bushes |
Just put saw horses under your wings like you did when you rigged it initia
lly. It works.
I just can=92t figure out how I can twist around in my cockpit without unst
rapping to check it in flight! That would be a heck of an accident report.
Bud
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Window
s 10
________________________________
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matr
onics.com> on behalf of William Daniell <wdaniell.longport@gmail.com>
Sent: Monday, August 12, 2019 5:41:02 PM
Subject: Re: Europa-List: Reaming of spar and CM bushes
You rotated the pins in flight?!! Yikes!
It kinda makes sense but ....
William Daniell
LONGPORT
On Sun, Aug 11, 2019 at 4:35 AM D McFadyean <ami-mcfadyean@talktalk.net<mai
lto:ami-mcfadyean@talktalk.net>> wrote:
I would add that in level flight at 1g, my spar pins are as easy to rotate
in their holes as when sat on the ground.
DMcF.
On 11 August 2019 at 09:19 D McFadyean <ami-mcfadyean@talktalk.net<mailto:a
mi-mcfadyean@talktalk.net>> wrote:
That analysis assumes the fuselage structure to be inelastic and utterly un
yielding, whilst the spar is privaleged to flex.
All of the vertical loads going in to the lift pins have to pass through th
e fus structure too, which will yield to a greater or lesser extent.
Duncan Mcf.
On 10 August 2019 at 22:47 Pete <peterz@zutrasoft.com<mailto:peterz@zutraso
ft.com>> wrote:
What i have never understood, is why the cockpit module spar pin bushings a
re not vertical slots, because when the wings are flexing under G, the lift
pins take the fuse lift loads, and the spar flexing (under positive G) ac
tually force the spar pins _downard_ against the cockpit module....obvious
ly totally counter-productive.
Pete
A239
On Aug 10, 2019, at 5:29 PM, Bud Yerly < budyerly@msn.com<mailto:budyerly@m
sn.com>> wrote:
Fred,
Back before my time when mod 52 was done for the GW increase. The classic
had two 3/8 pins originally. Mod 52 uses the =BD inch pins and a spar stra
p .
As the wings pull forward under load, the fuselage would flex so they put i
n the cross bar and the new sockets.
Then the concern was that the starboard wing spar could become dislodged fr
om the socket and interfere with controls. The quick fix was to hold in th
e spar tip with a pip pin. The port wing was figured would stay put, and t
he spar strap would prevent flexing of the spar.
That is all I know. Andy would have the particulars on the detailed histor
y. It sort of all makes sense.
Best Regards,
Bud Yerly
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Window
s 10
________________________________
From: owner-europa-list-server@matronics.com<mailto:owner-europa-list-serve
r@matronics.com> <owner-europa-list-server@matronics.com<mailto:owner-europ
a-list-server@matronics.com>> on behalf of Fred Klein <freddythek10@gmail.c
om<mailto:freddythek10@gmail.com>>
Sent: Thursday, August 8, 2019 1:29:43 AM
>>
Subject: Re: Europa-List: Reaming of spar and CM bushes
Bud=85you mention the use of the SouthCo pip pin on the port side and the A
llen bolt pin on starboard.
Do you know the reason for using different types of pins here?
Is there any downside to using SouthCo pip pins both port and starboard?=85
seems I=92ve heard that some builders have done so.
Fred
On Aug 7, 2019, at 8:35 PM, Bud Yerly < budyerly@msn.com<mailto:budyerly@ms
n.com>> wrote:
The SouthCo pip pin is nominally .4985 inches.
The Allen bolt pin for the starboard side is .497 to .495.
Message 7
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| Subject: | Europa monowheel instrument panel cad drawing |
Hello all,
I've searched the forums high and low for a cad drawing of a Monowheel
instrument panel blank. I did come across one drawing and downloaded, but
was unusable for me.
I've cut several 0.080" aluminum panels for certified aircraft on my cnc router
and would now like to cut a panel for the Europa Monowheel.
If someone has gone to the trouble of all the trial fitting of paper or hardboard
test blanks and might wish to share their .dxf or .ai file would be greatly
appreciated!
My preferred design and toolpathing software is Rhinocad and can utilize a variety
of file types if .dxf or .ai isn't available to be shared. Any help or
suggestions much appreciated.
Kind regards, Richard
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=490820#490820
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