Today's Message Index:
----------------------
1. 12:14 AM - Re: Seatbelts (Roland)
2. 01:15 AM - Re: Re: Seatbelts (davidjoyce@doctors.org.uk)
3. 03:22 AM - Re: Question re carb balance tube (Nigel Graham)
4. 04:18 AM - Re: Question re carb balance tube (jonathanmilbank)
5. 07:35 AM - Re: UL91 at Troyes Error (willydewey)
6. 08:22 AM - Re: Re: International Fly-In, Gap-Tallard, France, June 9-10, 2018 (GTH)
7. 09:52 AM - Re: Re: International Fly-In, Gap-Tallard, France, June 9-10, 2018 (ami-mcfadyean@talktalk.net)
8. 12:45 PM - Re: Re: Newbie questions (William Daniell)
9. 01:45 PM - Re: International Fly-In, Gap-Tallard, France, June 9-10, 2018 (carlp101)
10. 01:55 PM - Re: UL91 at Troyes Error (carlp101)
11. 02:00 PM - Re: UL91 at Troyes Error (carlp101)
12. 02:50 PM - Re: Re: International Fly-In, Gap-Tallard, France, June 9-10, 2018 (davidjoyce@doctors.org.uk)
Message 1
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Hi Frank,
FWIW I have mine from Schroth in Germany https://www.schroth.com/en/segments/aviation.html . They've manufactured seat belts for other Europas as well.
Regards
Roland
PH-ZTI
XS TG 914
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479351#479351
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I missed the beginning of this thread, but if it is any help I have a
set of used but entirely useable seat belts free to a good home. David
Joyce, GXSDJ
On 2018-04-16 08:14, Roland wrote:
>
> Hi Frank,
>
> FWIW I have mine from Schroth in Germany https://www.schroth.com/en/segments/aviation.html [1] . They've manufactured seat belts for other Europas as well.
>
> Regards
> Roland
> PH-ZTI
> XS TG 914
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=479351#479351 [2]
>
Links:
------
[1] https://www.schroth.com/en/segments/aviation.html
[2] http://forums.matronics.com/viewtopic.php?p=479351#479351
[3] http://www.matronics.com/Navigator?Europa-List
[4] http://forums.matronics.com
[5] http://wiki.matronics.com
[6] http://www.matronics.com/contribution
Message 3
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| Subject: | Re: Question re carb balance tube |
Jonathan,
There are some simple clues to judging whether a forum poster knows anything about
engines or not. If you spot the keyword RPMs (with an S) you know straight
away they dont have a clue! You see it all the time on boy-racer forums for
whom stage one tuning involves installing a Mega Base, putting their baseball
caps on back-to-front and describing everyone as a mud flicker ( .I think thats
what theyre saying).
The links you posted are classic examples.
To understand what the balance pipe does, you need to know how the engine works.
A petrol engine is an air pump at anything less that wide open throttle (WOT),
it is working at below atmospheric pressure. The RPM (no s) and hence power,
is regulated by the throttle butterfly which acts to close off the inlet tract
(thats why its called a throttle) for idle, and successively open for full
power (atmospheric pressure). When you fly in the cruise, you typically use about
75% power meaning the throttle butterfly is partially closed and the manifold
pressure is below atmospheric.
The Rotax engine is a Boxer configuration meaning two cylinders are on the left
and two on the right and the designers decided that the simplest way of feeding
fuel mixture to them was to use two separate induction manifolds and carburettors.
Whilst the packaging issues were simplified, this introduced the problem of ensuring
that both systems were perfectly synchronised so that all cylinders produce
equal power. Any difference and the engine will vibrate.
When you balance the carburettors, you measure the (partial) mean pressure in each
manifold and adjust them to be the same. If the mean pressures are the same
than there will be NO FLOW through the balance pipe, so there is no need for
a 1.5 drain pipe between the manifolds.
So why do they fit a balance pipe? Carburettors have been developed over the years
to feed the right amount of fuel throughout the changing rev range and changing
atmospheric pressure but small differences in airflow mean that the two
manifolds are almost never exactly matched throughout the flight profile. The
balance pipe allows the small pressure differential to equalise, and smooth out
any vibration that would otherwise result.
The contributor of the second of your referenced forum postings, Billy-Bob P Sledgehammer
III, is frantically calculating how much extra flow he could get though
his balance pipe, not realising that he should be aiming to minimise the
airflow through it!
My advice would be to leave it exactly as Rotax supplied it the power unit is
surprisingly powerful for its size and very reliable.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479355#479355
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| Subject: | Re: Question re carb balance tube |
Nigel,
Thanks for the detailed explanation, which sets out amusingly what I generally
understand. Those discussion forums are populated mostly by contributors with
only a smattering of knowledge and as you point out, their poor English usage
can be a good indicator of how seriously they should be taken. My personal gripe
on that topic is "your" versus "you're" plus a lot of other misuse of apostrophes.
My mechanical knowledge might be described as "passable" but questions on electronics,
for example, would leave me "dead in the water".
The reason for me posting this topic was to find out whether increasing the diameter
of the manifold balance tube would significantly improve engine smoothness,
given that the carburettors and propeller are already well balanced. I was
under no illusion that it would give any increase in power.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479356#479356
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| Subject: | Re: UL91 at Troyes Error |
Thanks Oliver for that information. I use Albert on my flights to and from southern
Germany so the fuel stop will be worthwhile. James Gilbert the editor for
the uk PILOT magazine reccond that Albert Town had the finest restaurant in all
France but I have never found it. Like the other correspondent i found Albert
a very nice airfield to land and stop over. Pity about the ginormouse Runway!!
--------
Give a wise man knowledge and he will be yet wiser
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479357#479357
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| Subject: | Re: International Fly-In, Gap-Tallard, France, June |
9-10, 2018
/Le 13/04/2018 17:51, davidjoyce@doctors.org.uk a crit:
/
>
> /Troyes is highly reccommended. [...]Beware, like many French A/Fs it
> closes at lunchtime./
>
Hi David and all,
Feeling compelled to jump in.
Would you care to elaborate about the above statement ?
As a French pilot, I am not aware of /any /French airfield closing to
VFR during daytime.
Or maybe you were just talking about ATC or AFIS published hours or IFR
arrivals, though that never prevents incoming or departing VFR traffic ?
To sum it up, French airfields are accessible to VFR at any time between
SR-30 min and SS+30min.
One notice, though : at Troyes at no-AFIS hours, you must use French
only on the radio, like on most French airfields.
https://www.sia.aviation-civile.gouv.fr/dvd/eAIP_29_MAR_2018/Atlas-VAC/PDF_AIPparSSection/VAC/AD/AD-2.LFQB.pdf
--
Best regards,
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
Message 7
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| Subject: | Re: International Fly-In, Gap-Tallard, France, June |
9-10, 2018
I prefer to arrive at French airports during (the 2 hour) lunch 'hour'; I c
an then blind-call in French and not be caught out by an unusual ATC reques
t!
Duncan McF
----Original Message----
From: gilles.thesee@free.fr
Subj: Re: Europa-List: Re: International Fly-In, Gap-Tallard, France, June
9-10, 2018
Le 13/04/2018 =C3-
17:51, davidjoyce@doctors.org.uk a =C3=A9crit :
Troyes is highly reccommended. [...]Beware,
like many French A/Fs it closes at lunchtime.
Hi David and all,
Feeling compelled to jump in.
Would you care to elaborate about the above statement ?
As a French pilot, I am not aware of any French airfield
closing to VFR during daytime.
Or maybe you were just talking about ATC or AFIS published hours or
IFR arrivals, though that never prevents incoming or departing VFR
traffic ?
To sum it up, French airfields are accessible to VFR at any time
between SR-30 min and SS+30min.
One notice, though : at Troyes at no-AFIS hours, you must use French
only on the radio, like on most French airfields.
https://www.sia.aviation-civile.gouv.fr/dvd/eAIP_29_MAR_2018/Atlas-VAC/PDF_
AIPparSSection/VAC/AD/AD-2.LFQB.pdf
--
Best regards,
Gilles
http://contrails.free.fr
http://lapierre.skunkworks.free.fr
Message 8
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| Subject: | Re: Newbie questions |
My tri with 912 turbo, airmaster, single screen dynon plus dual axis
autopilot came out at 920lbs. Cg bang in the middle of the cg range.
Speed kit not installed yet.
Will
On Fri, Apr 13, 2018, 17:06 flyingeuropa <s.radzanowski@web.de> wrote:
>
> Hello again,
>
> after going in some more detail I'm still wondering if I could make the
> published empty weight of 387kg/853lbs as mentioned on the website.
> Would you do me a favour and post the empty weights and CG of your trigear
> maybe with a short summary of the main components ( engine, prop, avionic).
>
> I saw the "a plane is born" movie by Mark Evans. What a cool guy,
> everthing looked so doable. From your builders point of view, what is the
> most difficult/challenging work? The flight controls are now already done
> as far as I understood.
>
> Thanks again for your help!
>
> Simon
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=479320#479320
>
>
Message 9
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| Subject: | Re: International Fly-In, Gap-Tallard, France, June 9-10, |
2018
Hi Gilles,
When you say you're feeling compelled to join in, do you mean you're thinking of
coming to Gap? You'd be very welcome. The more the merrier.
Regards
Carl
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479379#479379
Message 10
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| Subject: | Re: UL91 at Troyes Error |
Thanks for the info Oliver.
olihqt wrote:
> At this adress http://www.pgs.fr/tlf/AvgasUL91.html (http://www.pgs.fr/tlf/AvgasUL91.html) you have the complete list of ul91 gas pump. Note: in may, an ul91 gas pump will be open on Albert LFAQ airport by BP and SP98 is also available at Arras LFQD each afternoon.
>
>
> Good flight.
> Olivier Hequet
> F-PAKV arras LFQD
>
>
>
>
>
> Le 13 avr. 2018 18:04, davidjoyce@doctors.org.uk (davidjoyce@doctors.org.uk)
a crit :
>
>
>
> >
> > Tim, I thought from memory it does but checking on the SIA website I find it
does not. Sorry, David
> >
> >
> > On 2018-04-13 16:55, houlihan tim wrote:
> > >
> > > David
> > > Does Troyes have UL91 ?
> > > Tim
> >
> >
>
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479381#479381
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| Subject: | Re: UL91 at Troyes Error |
Good to know, Bob. I'm looking forward to visiting many places.
Can anyone recommend nice places in France to visit that the missus might like,
i.e pretty, nice restaurants, lots to see?
Regards
Carl
Hitchflight wrote:
> Hi Olivier, Carl
>
> That is outstanding news about Albert. Since losing Abbeville as a routine point
of entry, there has been no easy access to the UL91 inbound. Consequently
used 100LL Airports.
>
> Now Albert airport is coming on line, it could become my preferred customs entry
point and refuel. The people at Albert are always helpful. The UL91 now makes
Albert a very attractive refuel and customs point.
>
> For the intermediate stop. Filled up with UL91 a few times last year at Bourg
. So that is an easy choice.
>
> Then from there to Gap Tallard itself for more UL91.
>
> Voila!
>
> Regards
>
> Bob
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=479382#479382
Message 12
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| Subject: | Re: International Fly-In, Gap-Tallard, France, June |
9-10, 2018
Gilles, Yes perhaps I did give the wrong ompression. I should have said
that the Tower is closed over lunchtime. This is generally a bit
daunting for us foreigners. We can mostly make approximate position
calls in French but few of us are sufficiently fluent to cope if we get
an answer in French and to work out whether someone is telling us to go
away or just chatting or whatever, and may have doubts as to whether
that airfield will let you land without ATC, especially if it is your
customs airfield, so my recommendation is to get there whilst ATC is
working and enjoy a lunch! David
On 2018-04-16 16:22, GTH wrote:
> Le 13/04/2018 17:51, davidjoyce@doctors.org.uk a crit :
>
>> _Troyes is highly reccommended. [...]Beware, like many French A/Fs it closes
at lunchtime._
> Hi David and all,
>
> Feeling compelled to jump in.
> Would you care to elaborate about the above statement ?
> As a French pilot, I am not aware of _any _French airfield closing to VFR during
daytime.
> Or maybe you were just talking about ATC or AFIS published hours or IFR arrivals,
though that never prevents incoming or departing VFR traffic ?
>
> To sum it up, French airfields are accessible to VFR at any time between SR-30
min and SS+30min.
>
> One notice, though : at Troyes at no-AFIS hours, you must use French only on
the radio, like on most French airfields.
>
> https://www.sia.aviation-civile.gouv.fr/dvd/eAIP_29_MAR_2018/Atlas-VAC/PDF_AIPparSSection/VAC/AD/AD-2.LFQB.pdf [1]
>
> --
> Best regards,
> Gilles
> http://contrails.free.fr [2]
> http://lapierre.skunkworks.free.fr [3]
Links:
------
[1]
https://www.sia.aviation-civile.gouv.fr/dvd/eAIP_29_MAR_2018/Atlas-VAC/PDF_AIPparSSection/VAC/AD/AD-2.LFQB.pdf
[2] http://contrails.free.fr
[3] http://lapierre.skunkworks.free.fr
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