Today's Message Index:
----------------------
1. 01:12 AM - Re: Aileron setup (Robert C Harrison)
2. 01:49 AM - Re: Aileron setup (Graham Singleton)
3. 04:58 AM - Re: Nice gear lock switch (Kingsley Hurst)
4. 08:07 AM - Re: Nice gear lock switch (rparigoris)
5. 08:28 AM - Re: Aileron setup (Greg Fuchs)
6. 12:48 PM - Boiling fuel due to underpressure? (Remi Guerner)
7. 03:08 PM - Re: Aileron setup (Frans Veldman)
8. 04:37 PM - Re: Aileron setup part dux. (ALAN YERLY)
9. 05:20 PM - Fuel drain kit (Jerry Rehn)
10. 07:03 PM - Re: Nice gear lock switch (rparigoris)
11. 07:26 PM - Re: Aileron setup (Greg Fuchs)
Message 1
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Hi! Frans
I may have "sold you a pup" I believe that the bell cranks are of equal
legs (no lever magnification) so don't "chase your tail" on that issue,
the problem you have just sparked me off in that direction! It's such a
long time since I went that way !
Regards
Bob Harrison G-PTAG
Do not archive.
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Frans
Veldman
Sent: 16 October 2008 01:06
Subject: Re: Europa-List: Aileron setup
<frans@paardnatuurlijk.nl>
C Harrison" <ptag>
Hi! Frans.
Just occurred to me .....are the bellcranks of equal leg, because if not
you may have one incorrect way round giving you unequal movements?
Regards
Bob Harrison G-PTAG
-----[/quote:04b201de89]
You mean that I might have mounted it incorrectly? I checked everything
already, this is not the case. The error would then be much higher. I
suspect the problem what I have is due to the accumulation of build- and
part tolerances. If you are lucky consequitive tolerances cancel each
other out, in my case they probably work in the same direction. Maybe I
should just swap the bell cranks? ;-)
I found that the starboard aileron drive pin is 1mm too close to the
hinge. Could this be the cause?
Frans
Visit - www.EuropaOwners.org
Message 2
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Subject: | Re: Aileron setup |
Frans Veldman wrote:
>
> I found that the starboard aileron drive pin is 1mm too close to the hinge. Could
this be the cause?
>
> Frans
>
It will certainly have an effect, so yes, it could be part of the cause.
I always tell people to make a jig using the hinge pin as a locator.
Graham
Message 3
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Subject: | Re: Nice gear lock switch |
Ron,
Thank you for your posting. Incredible timing because I have been
contemplating for some time now about asking if anyone knows of waterproof
microswitches that I could use for the outriggers.
Regarding your U/C lever switch, to my way of thinking, if you are going to
have a true Down and Locked indication, you will need an extra switch to
sense when the undercarriage latch is fully engaged. This one should be in
series with the one depicted in your photograph of the U/C lever in the Down
detent.
Just my 2c worth.
Cheers
Kingsley
do not archive
Message 4
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Subject: | Re: Nice gear lock switch |
Hi Kingsley
I have a spring on latch and things are set where you can not actuate switch with
latch hung up. I realize this is a new build and things can change. I don't
think things will change, but will keep an eye on and if I ever see latch not
locked and switch actuated will fiddle to make happen again.
If you did not do so, install a spring. I could not achieve what I considered reliable
results using gravity to allow latch t fall into place. For one thing,
unless surface where upstop contacts lever is polished, it can drag and hang
up. Also if you push hard enough, the slight clearance allowed thing to twist
and slight jam in up position.
If you notice I am using a NAS bolt for pivot (dished cut on head). AN hardware
is undersized, NAS is much closer to bolt size, thus better fit. Side note, NAS
fit is much better for undercarriage mounting frame to CPM.
Downlatch spring works great:
http://www.europaowners.org/modules.php?full=1&set_albumName=album215&id=IM003062&op=modload&name=gallery&file=index&include=view_photo.php
I purchased a pressure switch from Europa, same as stall warner switch will put
in down and latched circuit. Will set where it triggers at ~70 knots to liven
up circuit.
Thinking in addition to LEDs, will put a cell phone style mini motor in stick with
offset weight to shake stick if you are under 70 knots and gear is not down.
In future when I get glider wings installed, will need to put one more switch on
the airbrake lever. With airbrake closed, circuit will be dead, only when you
open airbrake will circuit come alive. You want gear up when below 70knots when
soaring.
Ron Parigoris
Visit - www.EuropaOwners.org
Message 5
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Hi Frans,
If you had tried it you would have gotten what I had already tested, which
would be another thread similar to the info at this link:
http://www.matronics.com/searching/getmsg_script.cgi?INDEX=4453164?KEYS=driv
e_pin_is_the_main_critical?LISTNAME=Europa?HITNUMBER=6?SERIAL=08204312475?SH
OWBUTTONS=YES
However, on closer inspection, I think you may have covered this already.
Regards,
Greg
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Frans Veldman
Sent: Wednesday, October 15, 2008 4:51 PM
Subject: Re: Europa-List: Aileron setup
<frans@paardnatuurlijk.nl>
<gregoryf>
Frans,
Could this be the answer you are seeking? I believe it was Graham who
discussed the importance of aileron drive pin alignment. If alignment is not
within a tight tolerance, adjustment of ailerons can be impossible.
Do a search on matronix with this exact phrase(without the dashes):
--drive pin is the main critical--
[/quote:5072120439]
Eh, if I try this, it will just come up with this thread. Do you have a
direct link please?
frans
Visit - www.EuropaOwners.org
Message 6
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Subject: | Boiling fuel due to underpressure? |
Frans,
Have a look at the curve on paragraph 9.5 of the 914 Operator=92s Manual
which shows the correlation between throttle position and airbox
pressure (absolute pressure). This curve shows that airbox pressure
increases from 45 percent throttle position and beyond . So as long as
you are running beyond the 45 percent throttle position, when you push
the throttle forward you increase airbox pressure. This causes the fuel
pressure regulator to increase the fuel pressure, and, as demonstrated
before, the flow through the pump is reduced.
There is a common misconception that the turbo is providing boost beyond
the 100 percent throttle position only. This is far from the truth. The
airbox pressure curve shows that the turbo is boosting any time you are
running beyond 45 percent throttle position. And this is at sea level.
At altitude, the turbo is providing boost all the time, whatever the
throttle position.
Remi
[/quote:08514aa99f]
Somehow you make the assumption that giving more power causes somehow
the regulator
to change its pressure setting?
I agree that the turbo changes the pressure somewhat if you get over the
100% stop,
and then you may be right, the fuel pump needs to work harder. However,
up
to the 100% level, the pressure in the airbox should hardly change. In
this
range, the power lever should have no influence on the fuel pressure
needed, and
hence not affect flow.
Message 7
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Subject: | Re: Aileron setup |
If you had tried it you would have gotten what I had already tested, which
would be another thread similar to the info at this link:
[/quote:3e04ab2bc2]
I tried, honestly, but matronix came up with the message where you told me to search
for this phrase. The direct link worked however, thanks!
The message was helpful. I will make a jig, compare both drive pins, and set one
of them again if there is a difference.
Thanks!
Frans
Visit - www.EuropaOwners.org
Message 8
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Subject: | Re: Aileron setup part dux. |
I see how you are measuring it now. Mental block, I thought you were
measuring from the chord line. I wish I could see it for myself. One
peek at the system is worth a thousand words.
Keep us posted.
Bud
Custom Flight Creations
(813) 653-4989
----- Original Message -----
From: Frans Veldman<mailto:frans@paardnatuurlijk.nl>
To: europa-list@matronics.com<mailto:europa-list@matronics.com>
Sent: Wednesday, October 15, 2008 7:58 PM
Subject: Re: Europa-List: Aileron setup part dux.
<frans@paardnatuurlijk.nl<mailto:frans@paardnatuurlijk.nl>>
[quote:8ecb0f5323="Bud Yerly"]Frans,
You give me the impression that you are using a digital level to set
the deflection.
[/quote:8ecb0f5323]
Yes, but I also checked with a protractor. If I use the digital level,
I clamp it on the aileron, set the aileron neutral (eyeball method),
make a reading of the digital level, and use this as a reference for the
maximum up- and down movement. This way, it doesn't matter where I put
the digital level, as long as I don't move it between the readings.
BTW I like your "eyeball method". Good idea! I'm going to try it
tomorrow.
Frans
Visit - www.EuropaOwners.org<http://www.europaowners.org/>
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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I just got the fuel drain mod and was wondering from those that have gone
before me if there are any little tricks or quirks to this install? Thanks
Jerry
914 Mono
Message 10
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Subject: | Re: Nice gear lock switch |
Hi Kingsley
I changed my mind! Working on mounting switch for gear lever, came to conclusion
it will be more eloquent and functional to imbed a magnet on the tip of the
gear down latch on the port side of the aeroplane, and use a reed switch.
We ordered up from Allied an assortment of Coto Technology Dyad reed switches (both
molded and not, mini and regular all with wire leads), and the only magnet
they offered that seemed would work. Also ordered and assortment of magnets
from McMaster.
This way the only way the reed switch (on the port side below) will be turned on
is if the latch is down, which means the lever is in proper position.
Will post what we decide on.
Ron Parigoris
Visit - www.EuropaOwners.org
Message 11
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Good luck!
Greg
DO NOT ARCHIVE
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Frans Veldman
Sent: Thursday, October 16, 2008 3:07 PM
Subject: Re: Europa-List: Aileron setup
<frans@paardnatuurlijk.nl>
<gregoryf>
If you had tried it you would have gotten what I had already tested, which
would be another thread similar to the info at this link:
[/quote:3e04ab2bc2]
I tried, honestly, but matronix came up with the message where you told me
to search for this phrase. The direct link worked however, thanks!
The message was helpful. I will make a jig, compare both drive pins, and set
one of them again if there is a difference.
Thanks!
Frans
Visit - www.EuropaOwners.org
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