huntcamj(at)gmail.com
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 Posted: Thu Mar 20, 2025 12:48 am Post subject: Europa-List Digest: 2 Msgs - 03/17/25 |
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Hi Ron (rparigoris),
Thank you your response. You have given me some scope to investigate my slightly drooping flaps (when retracted).
I did wonder if there was scope for adjusting the length of the main flap pushrod from the control end. I’m also not sure how to access the mechanism, as I am not the original builder.
Furthermore, I am curious in the comment that a builder might droop the ailerons for more efficiency, as I would have thought the reverse would be true, ie, drooping the ailerons would increase lift, and therefore drag. In the 80s, the Lockheed L-1011 did the opposite, raising the active FBW ailerons in cruise by a few degrees in order to reduce drag and increase range.
Drooping ailerons would certainly make stalls lively!
Cam H
| Quote: | On 18 Mar 2025, at 5:30 pm, Europa-List Digest Server <europa-list(at)matronics.com> wrote:
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http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter 25-03-17&Archive=Europa
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EMail Version of Today's List Digest Archive
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Europa-List Digest Archive
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Total Messages Posted Mon 03/17/25: 2
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Today's Message Index:
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1. 05:58 AM - Re: Pushing a Europa uphill (SPURPURA)
2. 07:27 AM - Re: Re: Flap settings (Mike Christine Duane)
________________________________ Message 1 _____________________________________
Time: 05:58:12 AM PST US
Subject: Re: Pushing a Europa uphill
From: "SPURPURA" <SPURPURA(at)aol.com>
Thats a pretty steep grade. Might be safer to use the winch that is on the trailer.
I wouldnt recommend pushing on the stab spar.
--------
N951EU - Tri-gear & 912ULS, N77EU- Mono & 914
I'D RATHER HAVE A BOTTLE IN FRONT OF ME THAN A FRONTAL LABOTAMY.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=515317#515317
________________________________ Message 2 _____________________________________
Time: 07:27:39 AM PST US
From: Mike Christine Duane <duanefamly(at)aol.com>
Subject: Re: Re: Flap settings
Something I added was a short steel cable that allows full flap deployment
but would =9Ccatch=9D the flap if for some reason that flap bec
ame detached from the flap drive arm in flight.=C2-
Mike DuaneChandler, ArizonaEuropa XS Jabiru 3300Conventional Gear
Sent from the all new AOL app for iOS
On Sunday, March 16, 2025, 17:45, rparigoris <rparigor(at)hotmail.com> wrote:
Hi Huntcam
Look at chapter 27 and use template for wing and see where flaps are at.
Ailerons can be adjusted up or down.
If flaps are drooping, look close at flap pin/bushing fit, that there is no
movement on the control horn to flap drive tube, that the flap drive pivot
s are not loose and that the both ends of the flap pushrod are tight. We in
stalled adjustable flap up stops. We followed the manual as far as flap pin
location, but the flap cross tube was hitting the back side of the cockpit
module. Some mutilation and BID replacement was in order in order to get t
he flaps to raise as much as we wanted.
Our flaps drop the same amount, but without a stop, one raises a little mor
e than the other. With the stop, it limits the up of the one that raises to
o much, and you pull a tiny bit more to get the other to hit the second sto
p.
For what it's worth, we have our ailerons a little reflexed until we learn
the bird. From what I understand, when you pull positive Gs the ailerons go
down because the pushrods don't flex but the wings do. Not ideal as far as
having a tame bird to reduce effective washout. Met one pilot who drooped
the ailerons on purpose to gain a little efficiency. He said it does work,
but the bird spins like a maple leaf without too much provocation.
Ron P.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=515316#515316
S -
WIKI -
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=C2- =C2- =C2- =C2- =C2- -Matt Dralle, List Admin.
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