Today's Message Index:
----------------------
1. 09:06 AM - Yes Virgina, there is a Europa Facebook Group (Peter Zutrauen)
2. 09:58 AM - Re: Yes Virgina, there is a Europa Facebook Group (diamond)
3. 10:05 AM - best radio and transponder emplacement (diamond)
4. 10:24 AM - Re: best radio and transponder emplacement (Peter Zutrauen)
5. 11:33 AM - Re: Trim through a Dynon AP-74 panel (spcialeffects)
6. 01:54 PM - Help needed understanding uncoordinated flight (rparigoris)
7. 02:55 PM - Re: Help needed understanding uncoordinated flight (Jan de Jong)
8. 03:15 PM - Re: Help needed understanding uncoordinated flight (Pete)
9. 10:39 PM - Re: best radio and transponder emplacement (Ruedi Vogel)
Message 1
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Subject: | Yes Virgina, there is a Europa Facebook Group |
Yes, I realize that many on this valuable and steady Matronics list "do not
do Facebook" for a miriad of valid reasons, but recently I stumbled upon
a Facebook group created for those of us with the same passion: the "Europa
Aircraft Owners Group".
For sure I will be posting my adventures there as I get familiar with my
recent aquisition of flying kit #120 (previously N120EU built with passion
and exacting skill by Troy Maynor, soon to be rebadged C-GNPZ), with pics
and vids. I may also start posting some build pics of my long suffering
A239 XS pile of parts once I get going in earnest.
Maybe I'll see some of you there as well?
Cheers and blue skies,
Pete
Message 2
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Subject: | Re: Yes Virgina, there is a Europa Facebook Group |
Hi,
I did the same and created europa owners group. We are now 7 members, mostly french.
Youre welcome.
[Wink]
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=491704#491704
Message 3
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Subject: | best radio and transponder emplacement |
Hello, I ordered a trig ty 91 radio and a tt22 transponder to modernize my plane,
and I m wondering what is the most suitable location to install the boxes,
behind the dashboard, on in the rear compartment ?
Emmanuel
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=491705#491705
Message 4
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Subject: | Re: best radio and transponder emplacement |
I would suggest as close to the antennas as possible. I have done that in
my Hummelbird (no other place was physically possible), and they work
absolutely fantastic - love them.
cheers,
Pete
On Wed, Oct 9, 2019 at 12:12 PM diamond <emanu@gmx.fr> wrote:
>
> Hello, I ordered a trig ty 91 radio and a tt22 transponder to modernize m
y
> plane, and I=99 m wondering what is the most suitable location to i
nstall the
> boxes, behind the dashboard, on in the rear compartment ?
> Emmanuel
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=491705#491705
>
>
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>
>
Message 5
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Subject: | Re: Trim through a Dynon AP-74 panel |
Hello Martin. I have wired in the auto pilot Dynon panel and had this problem.
I posted a question on the Dynon forum and got my answer.........which was to
install a couple of diodes. See the link below
https://forum.flydynon.com/threads/trim-switch.772/
Hope this helps
Frank
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=491710#491710
Message 6
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Subject: | Help needed understanding uncoordinated flight |
Hi Group
I was wondering if someone could help me understand an aspect of uncoordinated
flight I just can't seem to get my head around :-(
I was reading in October 2019 bEAA a Commentary from Charlie Precourt titled "
Loss of control - a survivors story". In short a Kitfox stalled and spun in having
too much bottom rudder in the process. He didn't have a stall warning indicator.
What I can't get my head around is a commentary of recalling the aerodynamics of
uncoordinated flight that states a slip has the fuse generating lift and in
a skid the fuse generating negative lift forcing the wing having to create more
lift than in coordinated flight exasperating things and raising the stall speed.
Can anyone perhaps better explain to me specifically lift generated by the fuselage?
Here's the paragraph that has me confused:
"At this point, it might be helpful to recall the aerodynamics of uncoordinated
flight and why a slip is okay but a skid is dangerous in the pattern. When we
fly a side-slip, for example, to help lose altitude on approach, the fuselage
is generating lift because the top rudder puts the relative wind on the lower
part of the fuselage. This added lift unloads the wings and reduces our stall
speed. On the other hand, in a skidding turn, the relative wind acts on the upper
side of the fuselage, creating down force in the direction of weight, loading
up the wings, and increasing our stall speed. Just the act of adding the
skidding rudder can induce an immediate stall if the speed we are flying in the
turn is close to stall.'
This is exactly what happened to Nikk, the poor sole with the Kitfox.
I just can't picture how the fuse in a skid has higher pressure air on the top
of the fuse.
Thx.
Ron P.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=491716#491716
Message 7
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Subject: | Re: Help needed understanding uncoordinated flight |
Hi Ron, my 2 cents.
In turning descent or level flight the inside wing will stall first.
I remind myself of:
1. top rudder, in order to lead with the inside wing - slip, not skid
2. apply progressively, not suddenly - do not yank a wing back
I understand that in a turning climb the outside wing may stall first
though.
The fuselage decreases the airflow over the inner part of the wing that
is pulled back, decreasing lift of that wing, compensated with aileron.
I don't think there is fuselage lift involved in explaining anything.
Jan
On 9-10-2019 22:53, rparigoris wrote:
>
> Hi Group
>
> I was wondering if someone could help me understand an aspect of uncoordinated
flight I just can't seem to get my head around :-(
>
> I was reading in October 2019 bEAA a Commentary from Charlie Precourt titled
" Loss of control - a survivors story". In short a Kitfox stalled and spun in
having too much bottom rudder in the process. He didn't have a stall warning indicator.
>
> What I can't get my head around is a commentary of recalling the aerodynamics
of uncoordinated flight that states a slip has the fuse generating lift and in
a skid the fuse generating negative lift forcing the wing having to create more
lift than in coordinated flight exasperating things and raising the stall
speed.
>
> Can anyone perhaps better explain to me specifically lift generated by the fuselage?
Here's the paragraph that has me confused:
> "At this point, it might be helpful to recall the aerodynamics of uncoordinated
flight and why a slip is okay but a skid is dangerous in the pattern. When
we fly a side-slip, for example, to help lose altitude on approach, the fuselage
is generating lift because the top rudder puts the relative wind on the lower
part of the fuselage. This added lift unloads the wings and reduces our stall
speed. On the other hand, in a skidding turn, the relative wind acts on the
upper side of the fuselage, creating down force in the direction of weight, loading
up the wings, and increasing our stall speed. Just the act of adding the
skidding rudder can induce an immediate stall if the speed we are flying in
the turn is close to stall.'
>
> This is exactly what happened to Nikk, the poor sole with the Kitfox.
>
> I just can't picture how the fuse in a skid has higher pressure air on the top
of the fuse.
>
> Thx.
> Ron P.
>
>
Message 8
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Subject: | Re: Help needed understanding uncoordinated flight |
Description makes sense to me, but the it is not the top of the fuse, but rather
the right side of the fuse with inside left rudder, and with the bank that puts
a percentage vector of the right side fuse pushing downward due to the flow
against it, adding to the effective weight, angle of attack etc.
Cheers,
Pete
> On Oct 9, 2019, at 5:01 PM, rparigoris <rparigor@hotmail.com> wrote:
>
>
> Hi Group
>
> I was wondering if someone could help me understand an aspect of uncoordinated
flight I just can't seem to get my head around :-(
>
> I was reading in October 2019 bEAA a Commentary from Charlie Precourt titled
" Loss of control - a survivors story". In short a Kitfox stalled and spun in
having too much bottom rudder in the process. He didn't have a stall warning indicator.
>
> What I can't get my head around is a commentary of recalling the aerodynamics
of uncoordinated flight that states a slip has the fuse generating lift and in
a skid the fuse generating negative lift forcing the wing having to create more
lift than in coordinated flight exasperating things and raising the stall
speed.
>
> Can anyone perhaps better explain to me specifically lift generated by the fuselage?
Here's the paragraph that has me confused:
> "At this point, it might be helpful to recall the aerodynamics of uncoordinated
flight and why a slip is okay but a skid is dangerous in the pattern. When
we fly a side-slip, for example, to help lose altitude on approach, the fuselage
is generating lift because the top rudder puts the relative wind on the lower
part of the fuselage. This added lift unloads the wings and reduces our stall
speed. On the other hand, in a skidding turn, the relative wind acts on the
upper side of the fuselage, creating down force in the direction of weight, loading
up the wings, and increasing our stall speed. Just the act of adding the
skidding rudder can induce an immediate stall if the speed we are flying in
the turn is close to stall.'
>
> This is exactly what happened to Nikk, the poor sole with the Kitfox.
>
> I just can't picture how the fuse in a skid has higher pressure air on the top
of the fuse.
>
> Thx.
> Ron P.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=491716#491716
>
>
>
>
>
>
>
>
>
Message 9
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Subject: | Re: best radio and transponder emplacement |
Hello Emmanuel
Look attached photos. Two dipole antennas inside the fuselage, very short
coax cable the the TRIGs, works perfect.
Best regards, Ruedi HB-YJF
Am 09.10.2019 um 19:05 schrieb diamond:
>
> Hello, I ordered a trig ty 91 radio and a tt22 transponder to modernize my plane,
and I m wondering what is the most suitable location to install the boxes,
behind the dashboard, on in the rear compartment ?
> Emmanuel
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=491705#491705
>
>
--
Ruedi Vogel
Wiesenweg 6
CH-3380 Wangen a.A.
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