Today's Message Index:
----------------------
1. 03:02 AM - FW: 100 hour service (Alan Burrows)
2. 03:31 AM - Re: FW: 100 hour service (ivor.phillips)
3. 05:32 AM - Re: FW: 100 hour service (CHUCK RHOADS)
4. 05:32 AM - Re: FW: 100 hour service (CHUCK RHOADS)
5. 05:32 AM - Re: FW: 100 hour service (CHUCK RHOADS)
6. 07:05 AM - Re: Email Flood (Rowland Carson)
7. 07:11 AM - Deleting 2,469 messages (Pete Lawless)
8. 08:00 AM - Re: 914 fuel pumps (Jan de Jong)
9. 08:41 AM - Re: Deleting 2,469 messages (Pete Lawless)
10. 08:44 AM - Re: Re: 914 fuel pumps (Gilles Thesee)
11. 09:49 AM - Torque tube measurment please? ()
12. 01:04 PM - Email flood - off topic (Fergus Kyle)
Message 1
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| Subject: | FW: 100 hour service |
--> Europa-List message posted by: "Alan Burrows" <alan@kestrel-insurance.com>
Now that things are getting back to normal, can anyone help with my
enquiry from yesterday (gosh doesn't it all seem quiet today :-)
Hi Everyone
Does anyone have a suitable 100hr service checklist for the X/S trigear
fitted with a Rotax 914 ? As I now need to complete a service prior to
the start of summer ( rumoured to be just around the corner). Many
Thanks
Alan
Message 2
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| Subject: | Re: FW: 100 hour service |
--> Europa-List message posted by: "ivor.phillips" <ivor.phillips@ntlworld.com>
Hi Alan
Skydrive have a list for servicing the different engines,
http://www.skydrive.co.uk/sd_mp.asp
>
> Does anyone have a suitable 100hr service checklist for the X/S trigear
> fitted with a Rotax 914 ? As I now need to complete a service prior to
> the start of summer ( rumoured to be just around the corner). Many
> Thanks
>
regards
Ivor Phillips
Message 3
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| Subject: | Re: FW: 100 hour service |
--> Europa-List message posted by: CHUCK RHOADS <cfrhoads@yahoo.com>
Alan,
I found this to be very usefull. I make changes for my trike and the Geo engine.
Chuck Rhoads A100
Alan Burrows <alan@kestrel-insurance.com> wrote:
--> Europa-List message posted by: "Alan Burrows"
Now that things are getting back to normal, can anyone help with my
enquiry from yesterday (gosh doesn't it all seem quiet today :-)
Hi Everyone
Does anyone have a suitable 100hr service checklist for the X/S trigear
fitted with a Rotax 914 ? As I now need to complete a service prior to
the start of summer ( rumoured to be just around the corner). Many
Thanks
Alan
Chuck Rhoads
cfrhoads@yahoo.com
322 Links Dr.
Simpsonville, KY 40067
(502) 722-1517
---------------------------------
Brings words and photos together (easily) with
Message 4
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| Subject: | Re: FW: 100 hour service |
--> Europa-List message posted by: CHUCK RHOADS <cfrhoads@yahoo.com>
Alan,
I found this to be very usefull. I make changes for my trike and the Geo engine.
http://us.f335.mail.yahoo.com/ym/ShowLetter?MsgId=9698_457236_1684_1592_632_0_90095_1197_84685630&Idx=37&YY=55670&inc=25&order=up&sort=date&pos=0&view=a&head=b&box=Europa
Chuck Rhoads A100
Alan Burrows <alan@kestrel-insurance.com> wrote:
--> Europa-List message posted by: "Alan Burrows"
Now that things are getting back to normal, can anyone help with my
enquiry from yesterday (gosh doesn't it all seem quiet today :-)
Hi Everyone
Does anyone have a suitable 100hr service checklist for the X/S trigear
fitted with a Rotax 914 ? As I now need to complete a service prior to
the start of summer ( rumoured to be just around the corner). Many
Thanks
Alan
Chuck Rhoads
cfrhoads@yahoo.com
322 Links Dr.
Simpsonville, KY 40067
(502) 722-1517
---------------------------------
Bring photos to life! New PhotoMail makes sharing a breeze.
Message 5
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| Subject: | Re: FW: 100 hour service |
--> Europa-List message posted by: CHUCK RHOADS <cfrhoads@yahoo.com>
Alan,
I found this to be very usefull. I make changes for my trike and the Geo engine.
Chuck Rhoads A100
Alan Burrows <alan@kestrel-insurance.com> wrote:
--> Europa-List message posted by: "Alan Burrows"
Now that things are getting back to normal, can anyone help with my
enquiry from yesterday (gosh doesn't it all seem quiet today :-)
Hi Everyone
Does anyone have a suitable 100hr service checklist for the X/S trigear
fitted with a Rotax 914 ? As I now need to complete a service prior to
the start of summer ( rumoured to be just around the corner). Many
Thanks
Alan
Chuck Rhoads
cfrhoads@yahoo.com
322 Links Dr.
Simpsonville, KY 40067
(502) 722-1517
---------------------------------
Bring photos to life! New PhotoMail makes sharing a breeze.
Message 6
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--> Europa-List message posted by: Rowland Carson <rowil@clara.net>
At 2006-02-27 20:14 +0200 Jos Okhuijsen wrote:
>I am worried about the folks who do not
>have broadband, it will block their connection for hours
Jos - it was bad, but not a complete disaster. For me there were
2900+ messages queued for download instead of my usual daily quota of
about 300. Took less than 30 minutes - better than the 45+ minutes I
estimated when I saw it starting.
regards
Rowland
--
| Wilma & Rowland Carson <http://home.clara.net/rowil/>
| <rowil@clara.net> ... that's Rowland with a 'w' ...
Message 7
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| Subject: | Deleting 2,469 messages |
--> Europa-List message posted by: "Pete Lawless" <pete@lawless.info>
Hi Guys
Like most of you I had a rather full mail box =96 ironically the repeated
message was of no interest as our beloved CAA (UK) don=92t allow flight at
night!
Anyway just thought I would pass on the following link, which allows
deletion of the whole mail box. HYPERLINK
It just may come in useful in the future.
Regards
Pete
--
22/02/2006
Message 8
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| Subject: | RE: 914 fuel pumps |
--> Europa-List message posted by: Jan de Jong <jan.de.jong@xs4all.nl>
Hi Gilles,
A very interesting website, http://contrails.free.fr/
Your radiator duct experiments are fascinating. Very nice recommended
book section too.
B.t.w. I'm missing the old tutorial bits on parallel/series voltage
regulators by you and Jrme Delamarre.
I don't quite agree with your fuel pump discussion though.
As I see it there are exactly 2 ways of connecting 2 pumps.
Parallel:
To remove a pump you replace it with an open circuit. A series check
valve for each pump makes that possible (no backflow).
Series:
To remove a pump you replace it with a short circuit. A parallel check
valve for each pump makes that possible (no blockage).
There is no 3rd way.
A pump has a flow rate versus pressure characteristic. How steep is the
curve?
At one extreme is a pump that supplies a set pressure regardless of the
flow required to achieve that.
Two identical such pumps in parallel would supply the same pressure and
flow into a certain fixed orifice as one.
Two identical such pumps in series would supply double the pressure and
flow into a certain fixed orifice as one.
At the other extreme is a pump that supplies a set flow rate regardless
of the pressure required to achieve that.
Two identical such pumps in parallel would supply double the pressure
and flow into a certain fixed orifice as one.
Two identical such pumps in series would supply the same pressure and
flow into a certain fixed orifice as one.
Where in the range between one extreme and the other the Piermont pump
falls I do not know. I suspect that Rotax found experimentally that it
is somewhat closer to being a " flow source" (the second extreme) than
to being a "pressure source" (the first extreme). Hence the series setup
recommendation. But the difference is apparently not large.
Practical questions:
Is there a likelyhood that a check valve fails stuck open? That would
weaken the case for the parallel setup.
Is there a likelyhood that a check valve fails stuck closed? That would
weaken the case for the series setup.
In both cases the pump with the failed check valve must remain on.
But maybe the backflow in the parallel case with the Piermont pump
turned-off is not too bad?
Or, maybe the blockage in the series case with the Piermont pump
turned-off is not too bad?
On your website you also mention the possibility that a failed pump may
shed debris.
That probably weakens the case for the series setup indeed.
B.t.w. The "pressure source" (first extreme case above) has the battery
as its electrical analogue: one voltage (approximately), any current
(almost). The "flow source" (second extreme case above) has no readily
available electrical analogue, although current sources are quite common
constructs in electronics. But pretending that a pump is just like a
battery is not useful in a parallel versus series discussion.
Hoping I didn't offend.
Jan de Jong
461, second wing
Message 9
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| Subject: | Deleting 2,469 messages |
--> Europa-List message posted by: "Pete Lawless" <pete@lawless.info>
Sorry folks for some reason the link has not been passed it was www dot
pete
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Pete
Lawless
Sent: 28 February 2006 15:10
Subject: Europa-List: Deleting 2,469 messages
--> Europa-List message posted by: "Pete Lawless" <pete@lawless.info>
Hi Guys
Like most of you I had a rather full mail box =96 ironically the
repeated
message was of no interest as our beloved CAA (UK) don=92t allow flight
at
night!
Anyway just thought I would pass on the following link, which allows
deletion of the whole mail box. HYPERLINK
It just may come in useful in the future.
Regards
Pete
--
22/02/2006
--
22/02/2006
--
22/02/2006
Message 10
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| Subject: | Re: RE: 914 fuel pumps |
--> Europa-List message posted by: Gilles Thesee <Gilles.Thesee@ac-grenoble.fr>
>
>
Hi Jan,
Thank you for your message and your kind words.
>I don't quite agree with your fuel pump discussion though.
>
>As I see it there are exactly 2 ways of connecting 2 pumps.
>Parallel:
>To remove a pump you replace it with an open circuit. A series check
>valve for each pump makes that possible (no backflow).
>Series:
>To remove a pump you replace it with a short circuit. A parallel check
>valve for each pump makes that possible (no blockage).
>There is no 3rd way.
>
>
A true series circuits has no parallel branch. Hence the
"series/parallel" expression.
Of course the true series mounting is not desirable in an airplane.
>A pump has a flow rate versus pressure characteristic. How steep is the
>curve?
>
>
You've got the flow/pressure curve on page 9 in the downloadable
Pierburg fuel systems
<http://contrails.free.fr/fichiers2/kraftstoffanlagen_en.pdf>
pdf document.
>At one extreme is a pump that supplies a set pressure regardless of the
>flow required to achieve that.
>Two identical such pumps in parallel would supply the same pressure and
>flow into a certain fixed orifice as one.
>Two identical such pumps in series would supply double the pressure and
>flow into a certain fixed orifice as one.
>At the other extreme is a pump that supplies a set flow rate regardless
>of the pressure required to achieve that.
>Two identical such pumps in parallel would supply double the pressure
>and flow into a certain fixed orifice as one.
>Two identical such pumps in series would supply the same pressure and
>flow into a certain fixed orifice as one.
>
>
One can clearly *hear *the pumps slowing down when backpressure builds up.
>Where in the range between one extreme and the other the Piermont pump
>falls I do not know. I suspect that Rotax found experimentally that it
>is somewhat closer to being a " flow source" (the second extreme) than
>to being a "pressure source" (the first extreme).
>
I have the notion the current or voltage source is too schematic when
applied to pumps. Remember this is an approximation to facilitate
reasoning on electronic device.
>Hence the series setup
>recommendation. But the difference is apparently not large.
>
>
I believe Rotax took the diagram direct from the Pierburg documentation,
without questioning too much...
>Practical questions:
>Is there a likelyhood that a check valve fails stuck open? That would
>weaken the case for the parallel setup.
>
>
The probability is remote indeed. And consider that such a vane pump
blocks the fuel flow when stopped, apart from some leak. Sooo, if a
check valve sticks open, the parallel setup won't be too much impaired.
>Is there a likelyhood that a check valve fails stuck closed? That would
>weaken the case for the series setup.
>In both cases the pump with the failed check valve must remain on.
>But maybe the backflow in the parallel case with the Piermont pump
>turned-off is not too bad?
>Or, maybe the blockage in the series case with the Piermont pump
>turned-off is not too bad?
>
>
>On your website you also mention the possibility that a failed pump may
>shed debris.
>That probably weakens the case for the series setup indeed.
>
>
That's the drawback of this setup. A stopped pump is not transparent to
fuel flow.
>B.t.w. The "pressure source" (first extreme case above) has the battery
>as its electrical analogue: one voltage (approximately), any current
>(almost). The "flow source" (second extreme case above) has no readily
>available electrical analogue, although current sources are quite common
>constructs in electronics. But pretending that a pump is just like a
>battery is not useful in a parallel versus series discussion.
>
>Hoping I didn't offend.
>
>
>
No problem,
Regards,
Gilles Thesee
Grenoble, France
http://contrails.free.fr
Message 11
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| Subject: | Torque tube measurment please? |
--> Europa-List message posted by: <rparigor@suffolk.lib.ny.us>
I need 2 measurements if by chance anyone has a Europa XS close at hand.
I need to know how far the drive pins can extend aft before they hit the
bulkhead. (outboard would be from plastic spacer aft to bulkhead, and
inboard would be from the OD of the control horn aft to the bulkhead)
I am making up drive pins, and figure can make a nice taper to get good
alignment before driving pins all the way in.
Thx.
Ron Parigoris
Message 12
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| Subject: | Email flood - off topic |
--> Europa-List message posted by: "Fergus Kyle" <VE3LVO@rac.ca>
Cheers,
What fun! I had no idea there was any trouble, as like Bruce I
use Mailwasher and didn't see a thing.......... Bruce did a fine job of
educating me and a few others to the various ways of 'spanging' unwanted
messages - thank you Bruce.
Now back to the studio for our regular programming............
Ferg
do not archive
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