Today's Message Index:
----------------------
1. 01:30 AM - Re: 914 Waste gate servo mounting position question (Robert C Harrison)
2. 01:53 AM - Re: wingroot fairing update (JR Gowing)
3. 02:39 AM - Re: wingroot fairing update (flyingphil2)
4. 08:14 AM - Re: wingroot fairing update (Fred Klein)
5. 09:08 AM - Re: 914 Waste gate servo mounting position question (Rob Housman)
6. 09:27 AM - Re: 914 Waste gate servo mounting position question (Kevin Klinefelter)
7. 10:30 AM - wingroot fairing update (Fred Klein)
8. 04:36 PM - Re: 914 Waste gate servo mounting position question (ALAN YERLY)
9. 07:25 PM - new dual throttle control for Rotax 91X (D Wysong)
Message 1
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| Subject: | 914 Waste gate servo mounting position question |
Hi! Paul
I have no photos at present but have installed mine on the P1 foot well
with the Ignition regulator both in an insulated lightweight box
unsealed to the firewall to allow circulating cooling air to escape. I
have a 1" dia. Hose picking up intake air from well in front of the
radiator with a little permanent position flap "catching" air to the
box.
I do not have the "gills" open (left them closed since it has been
established that they were a development item providing little cooling
benefit on shut down(positioned too low) and are now a "leftover" item.)
I took some crude temperature tests early days and in flight they were
generally less than 30 deg but on shutdown without top cowl service
doors closed they never reach more than 37deg approx. Obviously opening
the doors immediately defrays the cowling heat quicker as does parking
into wind.
Regards
Bob Harrison.G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Paul
McAllister
Sent: 31 March 2009 03:44
Subject: Europa-List: 914 Waste gate servo mounting position question
Hi All,
I am attempting to "shoe horn" in a second Grand Rapids EFIS screen into
my panel which is turning into an mechanical challenge. It is pretty
much looking like I am going to have to move it to the outside of the
firewall. I know a few folks have done this and provided cooling with a
blast tube. I was wondering if anyone had some photographs and best
practices to share.
Thanks, Paul
Message 2
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| Subject: | Re: wingroot fairing update |
Fantastic Effort Fred!
Great to be able to see the photos
Many thanks.
JR (Bob) Gowing UK Kit 327 in Oz
do not archive
----- Original Message -----
From: "Fred Klein" <fklein@orcasonline.com>
Sent: Tuesday, March 31, 2009 5:04 PM
Subject: Europa-List: wingroot fairing update
> Guys...a couple more pixs to update those posted on Feb. 24th.
>
> In the 1st, the top fairing has been cut into 3 pcs, flanges added,
> and everything clecoed back in place.
>
> The 2nd shows the same on the lower fairing; upper and lower have been
> floxed and taped together along the elliptical trailing edge.
>
> The 3rd & 4th pixs, w/ flaps partially extended, show the closure
> panels on both flap and fuselage, necessary to close the voids which
> would otherwise be open to the airflow as the flaps deploy. As you can
> see, my fuselage cradle restricts flap extension. The closure panel on
> the flap (#3) really stiffened up the innermost corner of the
> underside of the curved flap extension which otherwise would have been
> flapping in the breeze. The whole thing is now rock-solid, except for
> the forward piece which stays with the wing and will flex much like
> the standard wing fairing under flight loads. These last two pixs also
> show no more clecos as the pieces are now bonded to flap and fuselage.
> The deployment/retraction action is smooth and the joints passed
> inspection. It's all still pretty rough, but I don't anticipate any
> problems finishing and feathering everything into the fuselage.
>
> All this piecing is necessary only to allow for wing stowage on the
> standard monowheel trailer...I now have 8 different moulds for the
> requisite parts port & starboard.
>
> No performance data as yet, but Jeff B. is still planning on doing
> some flight tests w/ the fairings mounted on his trigear, Baby Blue.
>
> Anyone with an interest in replicating or installing some version of
> these can contact me off list. Check out also my matronics-photoshare
> dated Aug 9, 2008:
>
> http://www.matronics.com/photoshare/fklein@orcasonline.com.07.21.2008/
>
> Fred
> A194
>
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>
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| Subject: | Re: wingroot fairing update |
Hi Fred,
Well done on constructing the wing root fairings - they look really good.
I'll be interested to see how the flight testing goes. The first picture with
the flaps deployed seems to show two very large vortex generators (i.e the fairings
attached to the flaps). I wonder how the aircraft will behave at high angles
of attack and whether you will get increased turbulence on the tailplanes?
Regards,
Phil
Visit - www.EuropaOwners.org
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| Subject: | Re: wingroot fairing update |
On Mar 31, 2009, at 2:36 AM, flyingphil2 wrote:
> Well done on constructing the wing root fairings - they look really
> good.
>
> I'll be interested to see how the flight testing goes. The first
> picture with the flaps deployed seems to show two very large vortex
> generators (i.e the fairings attached to the flaps). I wonder how
> the aircraft will behave at high angles of attack and whether you
> will get increased turbulence on the tailplanes?
Hi Phil,
I seem to recall that your field is aerodynamics, so I take your post
very seriously...the last thing I would want is to disturb the airflow
over the tailplanes. Would you care to elaborate?
I've pondered at length over just how the flap deployment is
accommodated while minimizing the overall width of the fuselage so
that when the wings are detached, they can be stowed on the monowheel
trailer.
There are, of course, a variety of ways to cut the upper and lower
fairings and vary the amount of fairing which deploys with the flaps.
Fred
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| Subject: | 914 Waste gate servo mounting position question |
There is room, just barely, for the waste gate servo to mount on the cabin
side of the firewall - see the attached photo. In this somewhat (OK, more
than somewhat) cluttered image, the servo is just to the left of the SCAT
tube. Note the black outline drawn on the firewall to indicate the
instrument panel molding features. The red tape on the servo is holding
some loose components in place.
In order to facilitate this mounting location I fabricated an aluminum
bracket; the plan view is shown in the attached pdf file. The bracket was
made from a piece of aluminum channel (with one leg removed) since an
appropriate angle 90 degree shape was not conveniently available. Other
stock would also be suitable.
Best regards,
Rob Housman
Irvine, CA
Europa XS Tri-Gear
A070
Airframe complete
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Paul McAllister
Sent: Monday, March 30, 2009 7:44 PM
Subject: Europa-List: 914 Waste gate servo mounting position question
Hi All,
I am attempting to "shoe horn" in a second Grand Rapids EFIS screen into my
panel which is turning into an mechanical challenge. It is pretty much
looking like I am going to have to move it to the outside of the firewall.
I know a few folks have done this and provided cooling with a blast tube. I
was wondering if anyone had some photographs and best practices to share.
Thanks, Paul
Message 6
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| Subject: | Re: 914 Waste gate servo mounting position question |
Or you might consider mounting on the front of the passenger footwell
inside the cold air intake housing for the 914. I mounted my rotax
regulator there and wish I had considered mounting the servo there as
well.No hose or box needed. I mounted the servo per the manual on the
tunnel where it is hard to get at and I made a box cover to keep
instrument wires clear.
Kevin
just past 50 hours on N211KA
----- Original Message -----
From: Robert C Harrison
To: europa-list@matronics.com
Sent: Tuesday, March 31, 2009 1:26 AM
Subject: RE: Europa-List: 914 Waste gate servo mounting position
question
Hi! Paul
I have no photos at present but have installed mine on the P1 foot
well with the Ignition regulator both in an insulated lightweight box
unsealed to the firewall to allow circulating cooling air to escape. I
have a 1" dia. Hose picking up intake air from well in front of the
radiator with a little permanent position flap "catching" air to the
box.
I do not have the "gills" open (left them closed since it has been
established that they were a development item providing little cooling
benefit on shut down(positioned too low) and are now a "leftover" item.)
I took some crude temperature tests early days and in flight they were
generally less than 30 deg but on shutdown without top cowl service
doors closed they never reach more than 37deg approx. Obviously opening
the doors immediately defrays the cowling heat quicker as does parking
into wind.
Regards
Bob Harrison.G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Paul
McAllister
Sent: 31 March 2009 03:44
To: europa-list@matronics.com
Subject: Europa-List: 914 Waste gate servo mounting position question
Hi All,
I am attempting to "shoe horn" in a second Grand Rapids EFIS screen
into my panel which is turning into an mechanical challenge. It is
pretty much looking like I am going to have to move it to the outside of
the firewall. I know a few folks have done this and provided cooling
with a blast tube. I was wondering if anyone had some photographs and
best practices to share.
Thanks, Paul
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| Subject: | wingroot fairing update |
Phil,
Attached are some pixs of Justin Kennedy's Classic which has a similar
set up to mine. Note the detail pixs of the underside and flap. He has
been flying for a number of years and has not reported any untoward
events or disturbing flight characteristics. He believes his fairings
have enhanced his speed and fuel economy.
Fred
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| Subject: | Re: 914 Waste gate servo mounting position question |
Paul,
Contact Jerry Hope...He has pictures of the installation he did with me.
email: herebitty@embarqmail.com<mailto:herebitty@embarqmail.com>
Made a little bump in the left side of the panel.
Bud Yerly
----- Original Message -----
From: Paul McAllister<mailto:paul.the.aviator@gmail.com>
To: europa-list@matronics.com<mailto:europa-list@matronics.com>
Sent: Monday, March 30, 2009 10:44 PM
Subject: Europa-List: 914 Waste gate servo mounting position question
Hi All,
I am attempting to "shoe horn" in a second Grand Rapids EFIS screen
into my panel which is turning into an mechanical challenge. It is
pretty much looking like I am going to have to move it to the outside of
the firewall. I know a few folks have done this and provided cooling
with a blast tube. I was wondering if anyone had some photographs and
best practices to share.
Thanks, Paul
http://www.matronics.com/Navigator?Europa-List<http://www.matronics.com/N
avigator?Europa-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 9
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| Subject: | new dual throttle control for Rotax 91X |
Here's one for the "why didn't *I* think of that!!?" pile for you
Rotax drivers. I installed McFarlane's throttle and mixture controls
in my "normal" airplane at annual and their quality is superb. The
$150 spent on one of these is cheaper than the hair transplants that
are necessary after rolling your own.
http://tinyurl.com/dualRotaxThrottleCtrl
D
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