Today's Message Index:
----------------------
1. 01:22 AM - Re: XS Monowheel Owners Manual/Weight and Balance (Neil France)
2. 03:12 AM - Re: Fuel Pumps Rotax 914 System.(Pierburg ) (Robert C Harrison)
3. 04:43 AM - Fuel Pumps Rotax 914 System.(Pierburg ) (Remi Guerner)
4. 06:23 AM - Re: Fuel Pumps Rotax 914 System.(Pierburg ) (Robert C Harrison)
5. 07:53 AM - Re: Fuel Pumps Rotax 914 System.(Pierburg ) (rparigoris)
6. 08:56 AM - Re: Fuel Pumps Rotax 914 System.(Pierburg ) (Robert C Harrison)
7. 10:13 AM - EF 62 (David Corbett)
8. 10:41 AM - Re: EF 62 (Robert Borger)
9. 11:26 AM - Re: EF 62 (Tim Ward)
10. 12:08 PM - Resin Pump (Peter Field)
11. 12:10 PM - Re: Fuel Pumps Rotax 914 System.(Pierburg ) (Rob Housman)
12. 09:38 PM - Mod 73 Problem (DuaneFamly@aol.com)
Message 1
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Subject: | Re: XS Monowheel Owners Manual/Weight and Balance |
http://www.europa-aircraft.co.uk/upload/xs_mw_owners_manual.pdf
----- Original Message -----
From: Troy Maynor
To: europa-list@matronics.com
Sent: Saturday, October 10, 2009 11:26 PM
Subject: Europa-List: XS Monowheel Owners Manual/Weight and Balance
Hey All,
I can't seem to locate an owners manual for the XS monowheel on the
Europa Club or Factory Site.
I have a classic monowheel, but with the extended baggage bay and the
tailwheel move/mod. I am seeking this for the weight and balance pages
in section 6.
Can someone point me in the right direction? Thanks to all.
Troy Maynor
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Message 2
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Subject: | Fuel Pumps Rotax 914 System.(Pierburg ) |
Thanks Paul.
Yes I'd "sussed" that one and it is probably the way I'll go!
Regards and thanks
Bob H G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Paul McAllister
Sent: 11 October 2009 03:11
Subject: Re: Europa-List: Fuel Pumps Rotax 914 System.(Pierburg )
<paul.the.aviator@gmail.com>
Hi Bob,
How much damage is there ? If its small then a spot of redux might
fix the offending spot.
Just a thought, Paul
Message 3
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Subject: | Fuel Pumps Rotax 914 System.(Pierburg ) |
Bob,
In my opinion having two filters in serie is unnecessary and may even be
dangerous:
If the mesh size of the pump filter is equal or bigger than the one of
your main filter or gascolator located upstream, then it is useless,
unless some bad stuff is introduced in the hose in between during
installation or maintenance.
If the mesh size of the pump filter is smaller than the one of your main
filter or gascolator, then it can become clogged by particles not
blocked by the main filter. This can happen very quickly as the
filtering area of the Pierburg pump filter is very small. Moreover,
there is no way to visually check that pump filter, other than
disconnecting the hose and removing the filter element with the risk of
damaging it as you did.
My advice is to get rid of the pump filters and take all precautions
during fuel system installation and maintenance so that no pollution is
introduced downstream of the main filters or gascolators.
Additionnally here is some information I found on mesh sizes:
Andair gascolator GAS 375: 70 micrometers (source: Andair catalog)
Pierburg electrical fuel pump: no indication on mesh size of the
included filter; however they recommand the use of a 60 micrometer mesh
filter upstream the pump. (source: Pierburg fuel pumps mounting
instructions)
Europa supplied in line filters: anybody knows?
Regards
Remi Guerner
<<<<<I have managed to very slightly damage the "thimble" filter at the
inlet
side of one of my pumps. That was a real bum thing to do but to heap
further
"coals of fire" on my head I find that they are not a spares listed part
and
no one not even Rotax or Peirburg the pump manufacturer will supply a
replacement.
It is therefore necessary to buy a new pump ! What a con. if I ever
heard of
one.>>>>>>
Message 4
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Subject: | Fuel Pumps Rotax 914 System.(Pierburg ) |
Hi! Remi
You don't say which "Bob" you are addressing ..however if it is me ..I have
two mini gascolators one on each tank connector both prior to the fuel
switch. They are not in series as such but independently filter the main
and reserve supply lines.
I have not been able to establish how the crud was introduced after the
gascolators to get as far as the pump filters ..yet! but without the pump
filters it would now be in the carbs! And "God forbid"! that should happen.
I always use a gauze filter in the tank main filler, nothing ever shows. I
am considering getting a "Mr Funnel" but that wouldn't exclude crud which
has somehow entered the pump filters after the fuel passed the two
gascolators. IMHO it can only have been inside pipes fitted during rework
after the Jabiru was changed for a 914 Rotax.
Regards
Bob Harrison G-PTAG
_____
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Remi Guerner
Sent: 11 October 2009 12:38
Subject: Europa-List: Fuel Pumps Rotax 914 System.(Pierburg )
Bob,
In my opinion having two filters in serie is unnecessary and may even be
dangerous:
If the mesh size of the pump filter is equal or bigger than the one of your
main filter or gascolator located upstream, then it is useless, unless some
bad stuff is introduced in the hose in between during installation or
maintenance.
If the mesh size of the pump filter is smaller than the one of your main
filter or gascolator, then it can become clogged by particles not blocked by
the main filter. This can happen very quickly as the filtering area of the
Pierburg pump filter is very small. Moreover, there is no way to visually
check that pump filter, other than disconnecting the hose and removing the
filter element with the risk of damaging it as you did.
My advice is to get rid of the pump filters and take all precautions during
fuel system installation and maintenance so that no pollution is introduced
downstream of the main filters or gascolators.
Additionnally here is some information I found on mesh sizes:
Andair gascolator GAS 375: 70 micrometers (source: Andair catalog)
Pierburg electrical fuel pump: no indication on mesh size of the included
filter; however they recommand the use of a 60 micrometer mesh filter
upstream the pump. (source: Pierburg fuel pumps mounting instructions)
Europa supplied in line filters: anybody knows?
Regards
Remi Guerner
<<<<<I have managed to very slightly damage the "thimble" filter at the
inlet
side of one of my pumps. That was a real bum thing to do but to heap further
"coals of fire" on my head I find that they are not a spares listed part and
no one not even Rotax or Peirburg the pump manufacturer will supply a
replacement.
It is therefore necessary to buy a new pump ! What a con. if I ever heard of
one.>>>>>>
Message 5
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Subject: | Re: Fuel Pumps Rotax 914 System.(Pierburg ) |
Hi Bob H.
"I have not been able to establish how the crud was introduced after the gascolators
to get as far as the pump filters .yet!"
Curious, what clued you into finding out your sock filter/s were clogged? If engine
stumbled or quit, did turning on second pump get you on ground with motor
running normal? Is your fuel system parallel fuel pumps or series with bypass?
If you have differential gauge, what did it tell you during episode?
Thx.
Ron Parigoris
Visit - www.EuropaOwners.org
Message 6
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Subject: | Fuel Pumps Rotax 914 System.(Pierburg ) |
Hi! Ron
Engine quit over the Pennine Mountains, 3hours after 2 x 200 mile sea
crossings ! (and I would have preferred the sea !) The engine started
immediately on switching to reserve, but on strip down there was more crud
in the reserve pump than the main pump ! But with the reserve tank getting
all initial fillings that doesn't surprise me, the main should always be
less susceptible to having any contamination. (Still doesn't explain how the
gascolators didn't stop it)
The pumps are arranged as per the Europa fuel circuit plan to work on a
parallel basis with the one way valves likewise arranged.
I don't have a fuel pressure gauge. Reserve got me to a suitable airfield
except Leeds Bradford International offered me a runway (20 miles).
Dropped both gascolator bowls off ...nothing found. Flew home airfield to
airfield and on initial check, before any disturbances, both pumps and
return were running at 150 litres per hour.
I'm hoping it is not a repeat of my tank finger filter experience of 5 years
ago where a ball of fibre dangled in front of the badly drilled intersection
of the original tank connectors eventually plugging it (wash basin type
effect) I now have the Singleton connectors and improved finger filters
installed.
Problem is you can not reverse flow the finger filters to clean them of this
type of contamination.(just shouldn't be there in the first place!)
Regards
Bob Harrison G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of rparigoris
Sent: 11 October 2009 16:00
Subject: Re: Europa-List: Fuel Pumps Rotax 914 System.(Pierburg )
Hi Bob H.
"I have not been able to establish how the crud was introduced after the
gascolators to get as far as the pump filters ..yet!"
Curious, what clued you into finding out your sock filter/s were clogged? If
engine stumbled or quit, did turning on second pump get you on ground with
motor running normal? Is your fuel system parallel fuel pumps or series with
bypass? If you have differential gauge, what did it tell you during episode?
Thx.
Ron Parigoris
Visit - www.EuropaOwners.org
Message 7
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For Europa Club members - the next edition, EF 62, was posted on 5 & 6
October - but because of intermittent postal strikes in UK, some of you
(that means me amongst others!) may have to await the postmens'
convenience. I hope this is not a duplicate message...
David - for the committee
Message 8
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David,
Received my copy yesterday here in Texas.
Good issue, as always.
Bob Borger
Sent from my iPhone
On Oct 11, 2009, at 12:11, David Corbett <DCorbett@corbettfarms.co.uk>
wrote:
> For Europa Club members =93 the next edition, EF 62, was posted
on 5 &
> 6 October =93 but because of intermittent postal strikes in UK,
some
> of you (that means me amongst others!) may have to await the postmen
> s=99 convenience. I hope this is not a duplicate message
>
>
> David =93 for the committee
>
>
Message 9
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David,
Received my copy 4 days ago here in New Zealand!!
We are closer then you think.
Cheers,
Tim
Tim Ward
12 Waiwetu Street'
Fendalton,
Christchurch.
NEW ZEALAND
Ph. 64 3 3515166
Mob 021 0640221
Email ward.t@xtra.co.nz
----- Original Message -----
From: David Corbett
To: Europa Forum
Sent: Monday, October 12, 2009 6:11 AM
Subject: Europa-List: EF 62
For Europa Club members - the next edition, EF 62, was posted on 5 & 6
October - but because of intermittent postal strikes in UK, some of you
(that means me amongst others!) may have to await the postmens'
convenience. I hope this is not a duplicate message.
David - for the committee
Message 10
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Just to let you all know I have just put a resin pump up for sale on
Ebay. Item reference is 170393402320. This is a really useful tool if
you are just embarking upon your build. Saves all that weighing!!
Peter Field
G-CHOX
Message 11
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Subject: | Fuel Pumps Rotax 914 System.(Pierburg ) |
Good catch. Your point is well taken. Now I have to figure out which of
the numerous Europa and Rotax fuel systems designs my scheme was based on,
or which one I may have mis-interpreted.
...and I missed the point that you mounted the filters outside of the cabin
thus negating the need for easy spill proof removal.
Best regards,
Rob Housman
Irvine, CA
Europa XS Tri-Gear
A070
Airframe complete
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of rparigoris
Sent: Saturday, October 10, 2009 7:58 PM
Subject: Re: Europa-List: Fuel Pumps Rotax 914 System.(Pierburg )
Hi Rob
"Ron, I very much like your implementation but I would add one improvement,
that being quick disconnect fittings to permit removal of whatever filters
are used without flooding the cabin with fuel when the filters need to be
removed for cleaning or replacement."
I have two Andair 375 gasculators sealed in a box with access from outside
the aeroplane (not under the wing either). Easy access, just unscrew bowl
after you drain from quick drain and spin off filter/s.
see:
http://www.europaowners.org/modules.php?set_albumName=album231&op=modload&na
me=gallery&file=index&include=view_album.php
I looked at your two series fuel filters drawing. Are you planning on having
two sets (of two parallel filters each)? If not and you only plan on 1 pair
of parallel filters, once they clog, turning on pump #2 in either a series
with bypass, or parallel fuel system will not be of much use.
Ron Parigoris
Visit - www.EuropaOwners.org
Message 12
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Good day to All,
Well, I finally got around to doing Mod 73 on a yet-to-fly XS kit and the
first tailplane went well but after pulling off the second I found that the
TP6 sleeve has, somehow, rotated and now shows shiny metal in the hole of
the fiberglass layup previously done for the top PIP pin insertion hole. My
guess is a rotation of about 20 degrees. Am I now going to have to tear
into both top and bottom access hole in order to rebond this sleeve to the
outboard rib? Anyone else have this problem? I thought that I had used a
sufficient amount of grease on the torque tube but still had a little problem
removing the second tailplane.
Thanks in advance.
Mike Duane A207A
Redding, California
XS Conventional Gear
Jabiru 3300A
Sensenich R64Z N
Ground Adjustable Prop
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