Today's Message Index:
----------------------
1. 02:17 AM - Re: Nose Gear Springs (Alan Burrows)
2. 02:58 AM - Re: Nose Gear Springs (Alan Burrows)
3. 04:03 AM - Re: Nose Gear Springs (William Daniell)
4. 04:45 AM - Re: Fuel Transf pumps (Alan Burrows)
5. 06:39 AM - Re: Nose Gear Springs (Al Stills)
6. 07:26 AM - Re: Europa G-ZTED Prop Strike (nigel charles)
7. 09:54 AM - Re: Europa G-ZTED Prop Strike (William Mills)
8. 10:58 AM - Nose gear springs (Sidsel & Svein Johnsen)
9. 01:55 PM - Re: Nose gear springs (Tim Weert)
10. 02:06 PM - europa flyer #46 (sep 05) (Rowland Carson)
11. 02:17 PM - Prop strikes and nose arm springs (BEBERRY@aol.com)
12. 02:22 PM - Re: Nose gear springs (Gerry Holland)
13. 02:22 PM - Re: Europa G-ZTED Prop Strike (Timothy.P.Ward)
14. 02:57 PM - Re: Nose Gear Springs (Robert Borger)
15. 03:02 PM - Re: mounting base for finger brake cylinder (Tony Renshaw)
16. 03:03 PM - Re: mounting base for finger brake cylinder (Tony Renshaw)
17. 05:31 PM - Re: europa flyer #46 (sep 05) (DuaneFamly@aol.com)
18. 07:52 PM - Re: Prop strikes and nose arm springs (Fergus Kyle)
19. 07:54 PM - Re: Prop strikes and nose arm springs (Fergus Kyle)
Message 1
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| Subject: | Nose Gear Springs |
--> Europa-List message posted by: "Alan Burrows" <alan@kestrel-insurance.com>
Tim
Put me down for a set of these also please
Alan
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Tim Weert
Subject: Re: Europa-List: Nose Gear Springs
--> Europa-List message posted by: "Tim Weert" <tim.weert@hccnet.nl>
Hi Builders and Owners,
At the Kemble FFF05 event Ian and Ivor inspected the ciol springs of my
bird. I sent them all info about the stainless steel coilsprings which
were
calculated and tested by Nico Groot. He had to remove the first pair and
recalculated the specifications for the second set. The are fine. I
ordered 3 pairs of springs for Ian and Ivor and will fly them as soon as
possible (VFR weather) to Fairoaks (EGTF) where Ian will collect them. I
discovered I payed 200 euro's for 2 springs because I ordered only two
(one pair). Thats 100 euros per spring. But the 6 springs (3 pairs) for
Ian
and Ivor are only 307 euro's. Thats 51,17 euro's per spring, allmost
half
price!!
It's wise to wait untill Ian and Ivor receive PFA approval. Then collect
all
names of interested Europa owners and order them in one shipment. Most
of
the cost is the man who has to install the settings and set the
machines,
there after it's just material.
Regards,
Tim Weert.
Heerhugowaard,
PH-JAI #460XS TG 914 AP332.
----- Original Message -----
From: <ptag.dev@tiscali.co.uk>
Subject: RE: Europa-List: Nose Gear Springs
> --> Europa-List message posted by: ptag.dev@tiscali.co.uk
>
> Hi! John
> I happen to know that Ivor Phillips has all te info. on these, he is
> building
> an XS at Orpington UK and has regularly flown on overseas trips with
me,
> He should soon be lurking here and may be away for a weekend, so I'm
sure
> he will soon respond because he is very committeed to using these
springs.
> Unfortunately I'm away for the weekend also so I haven't his e-mail
> address
> to hand but will call him tomorrow.
> Regards
> Bob Harrison
> G-PTAG Europa MKI/Jabiru 3300
>
>>-- Original Message --
>>From: TELEDYNMCS@aol.com
>>Date: Sun, 30 Oct 2005 11:03:08 EST
>>Subject: Europa-List: Nose Gear Springs
>>To: europa-list-digest@matronics.com
>>Reply-To: europa-list@matronics.com
>>
>>
>>--> Europa-List message posted by: TELEDYNMCS@aol.com
>>
>>Greetings all,
>>
>>Some time back there was a discussion about replacing the nose gear
>>bungee
>>
>>with extension springs. I've searched the archive, but couldn't find
>>any info.
>>
>>Someone graciously sent me pictures and a .pdf file showing a drawing
>>of the spring they had made, along with all the particulars, i.e.,
>>dimensions,
> spring
>>
>>constant, etc. I think I've found a company here in Tennessee that
>>will
> make
>>
>>these in small batches for a reasonable cost and it seems like an
>>excellent
>>
>>alternative to the bungee system, IMHO. The only problem is the
>>notation on the diagram is in Dutch (I think) and I need a translation
>>so that I can forward
>>
>>the info onto the manufacturer. The name of the manufacturer on the
>>.pdf file I was sent is "Alcomex" and their address appears to be in
>>Holland. For some
>>
>>reason I saved the file, but not the contact info of the sender. If
>>anybody
>>
>>recalls this exchange or can point to it in the archive, please help
>>refresh
>>my
>>feeble brain!
>>
>>Regards,
>>
>>John Lawton
>>Dunlap, TN
>>A-245 (Working through an ever shrinking punch list while I await the
>>delivery of my prop and spinner)
>>
>>
>
>
> Unlimited Tiscali Broadband from 14.99!
> http://www.tiscali.co.uk/products/broadband/
>
>
>
Message 2
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| Subject: | Nose Gear Springs |
--> Europa-List message posted by: "Alan Burrows" <alan@kestrel-insurance.com>
Hi Svein
I think it would be a good idea if you post the method so we can all
study it
Kind Regards
Alan
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Sidsel &
Svein Johnsen
Subject: Re: Europa-List: Nose Gear Springs
--> Europa-List message posted by: "Sidsel & Svein Johnsen"
--> <sidsel.svein@oslo.online.no>
> The guy who had the springs made is Tim Weert
tim.weert@hccnet.nl
> In Holland
That is correct. I received the same (I assume) drawing etc. from Tim
this
summer, and ordered the pair from Alcomex in Holland. They were very
nice
to deal with, and I have now fitted the springs.
I developed further Tim's recommended method of fitting them - it turned
out
to be much easier than I first feared might be the case because of the
substantial spring force. If anyone elects to go this same route, let
me
know and I will post my method here on the forum.
I also received from Tim a copy of a letter from EMIL sent to a Ducth
builder, which although not constituting a formal approval, perhaps,
definitely gave me the confidence to implement this mod. By the way,
keep
the safety wire even if you fit the stainless steel springs- it may
still
serve its mission in a really hard nose wheel landing.
Regards,
Svein
A225 - now in Norway - fuselage being trailered to the paint shop on
Tuesday - then wings and control surfaces to be filled and sanded (!#!)
Message 3
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| Subject: | Nose Gear Springs |
--> Europa-List message posted by: "William Daniell" <wdaniell@etb.net.co>
Tim
I want some too please
Will
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Alan Burrows
Subject: RE: Europa-List: Nose Gear Springs
--> Europa-List message posted by: "Alan Burrows"
<alan@kestrel-insurance.com>
Tim
Put me down for a set of these also please
Alan
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Tim Weert
Subject: Re: Europa-List: Nose Gear Springs
--> Europa-List message posted by: "Tim Weert" <tim.weert@hccnet.nl>
Hi Builders and Owners,
At the Kemble FFF05 event Ian and Ivor inspected the ciol springs of my
bird. I sent them all info about the stainless steel coilsprings which
were
calculated and tested by Nico Groot. He had to remove the first pair and
recalculated the specifications for the second set. The are fine. I
ordered 3 pairs of springs for Ian and Ivor and will fly them as soon as
possible (VFR weather) to Fairoaks (EGTF) where Ian will collect them. I
discovered I payed 200 euro's for 2 springs because I ordered only two
(one pair). Thats 100 euros per spring. But the 6 springs (3 pairs) for
Ian
and Ivor are only 307 euro's. Thats 51,17 euro's per spring, allmost
half
price!!
It's wise to wait untill Ian and Ivor receive PFA approval. Then collect
all
names of interested Europa owners and order them in one shipment. Most
of
the cost is the man who has to install the settings and set the
machines,
there after it's just material.
Regards,
Tim Weert.
Heerhugowaard,
PH-JAI #460XS TG 914 AP332.
----- Original Message -----
From: <ptag.dev@tiscali.co.uk>
Subject: RE: Europa-List: Nose Gear Springs
> --> Europa-List message posted by: ptag.dev@tiscali.co.uk
>
> Hi! John
> I happen to know that Ivor Phillips has all te info. on these, he is
> building
> an XS at Orpington UK and has regularly flown on overseas trips with
me,
> He should soon be lurking here and may be away for a weekend, so I'm
sure
> he will soon respond because he is very committeed to using these
springs.
> Unfortunately I'm away for the weekend also so I haven't his e-mail
> address
> to hand but will call him tomorrow.
> Regards
> Bob Harrison
> G-PTAG Europa MKI/Jabiru 3300
>
>>-- Original Message --
>>From: TELEDYNMCS@aol.com
>>Date: Sun, 30 Oct 2005 11:03:08 EST
>>Subject: Europa-List: Nose Gear Springs
>>To: europa-list-digest@matronics.com
>>Reply-To: europa-list@matronics.com
>>
>>
>>--> Europa-List message posted by: TELEDYNMCS@aol.com
>>
>>Greetings all,
>>
>>Some time back there was a discussion about replacing the nose gear
>>bungee
>>
>>with extension springs. I've searched the archive, but couldn't find
>>any info.
>>
>>Someone graciously sent me pictures and a .pdf file showing a drawing
>>of the spring they had made, along with all the particulars, i.e.,
>>dimensions,
> spring
>>
>>constant, etc. I think I've found a company here in Tennessee that
>>will
> make
>>
>>these in small batches for a reasonable cost and it seems like an
>>excellent
>>
>>alternative to the bungee system, IMHO. The only problem is the
>>notation on the diagram is in Dutch (I think) and I need a translation
>>so that I can forward
>>
>>the info onto the manufacturer. The name of the manufacturer on the
>>.pdf file I was sent is "Alcomex" and their address appears to be in
>>Holland. For some
>>
>>reason I saved the file, but not the contact info of the sender. If
>>anybody
>>
>>recalls this exchange or can point to it in the archive, please help
>>refresh
>>my
>>feeble brain!
>>
>>Regards,
>>
>>John Lawton
>>Dunlap, TN
>>A-245 (Working through an ever shrinking punch list while I await the
>>delivery of my prop and spinner)
>>
>>
>
>
> Unlimited Tiscali Broadband from 14.99!
> http://www.tiscali.co.uk/products/broadband/
>
>
>
Message 4
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| Subject: | Europa-List:Fuel Transf pumps |
--> Europa-List message posted by: "Alan Burrows" <alan@kestrel-insurance.com>
Hi Everyone
I have now received a new batch of the fuel transfer pumps, so if anyone
wants one please let me know. The cost is 28ukp
Alan
Message 5
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| Subject: | Nose Gear Springs |
--> Europa-List message posted by: "Al Stills" <astills@senecawholesale.com>
John,
I too would like to get the information on the springs.
Al Stills
N625AZ
Message 6
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| Subject: | Europa G-ZTED Prop Strike |
--> Europa-List message posted by: "nigel charles" <nigelcharles@tiscali.co.uk>
The XS handling is very similar but the higher engine position gives an
extra inch of ground clearance. This is only going to be of benefit for
marginal cases of prop strike. This assumes that the Classic has been
updated with the newer tailwheel configuration.
Please note that, as with all tailwheel aircraft, full aft stick should
be applied on the ground at all times except with tailwinds. This
includes during runup with power against brake.
I would suggest that the causes of monowheel propstrikes during taxi are
no different to many conventional shallow angle taildraggers. However
once the tail has lifted the chances of a propstrike are greatly
increased due to the loss of roll stability.
Nigel Charles
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-
> server@matronics.com] On Behalf Of rparigor@suffolk.lib.ny.us
> Sent: 30 October 2005 22:42
> To: europa-list@matronics.com
> Subject: RE: Europa-List: Europa G-ZTED Prop Strike
>
> --> Europa-List message posted by: <rparigor@suffolk.lib.ny.us>
>
> Thanks Justin and Mike for heads up on Monowheel unwanted "Nose
Low/ness"
>
> Curious, does the XS Monowheel have any better manners as far as
nosing
> over compared to the Classic?
>
> Thx.
> Ron Parigoris
>
>
>
>
>
Message 7
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| Subject: | Re: Europa G-ZTED Prop Strike |
--> Europa-List message posted by: "William Mills" <william@wrmills.plus.com>
Hi Justin,
So sorry to hear your unhappy news, but if it is of any consolation, there
are many of us that have had similar misfortunes.
I would just like to add one thing to all the other advice and that is to
have an aft C of G. When I changed to a VP prop I placed 4.5 lbs of lead in
the tail. This brought the C of G to the aft limit of the envelope, when I
was alone in the aircraft, with a full tank of fuel and 80 lbs in the
luggage bay, which is the worst configuration of loading. This maximises
the load on the tail wheel and therefore reduces the tendency to nose over
and ground loop in a strong cross wind. It also reduces drag in the cruise,
because the tail plane is not having to work so hard. The only disadvantage
is that it is more difficult to trim in pitch as it tends to wander between
nose up and nose down if there is any turbulence about.
Best wishes,
William
----- Original Message -----
From: "Justin Kennedy" <Justin@systemwise.co.uk>
Subject: Europa-List: Europa G-ZTED Prop Strike
> --> Europa-List message posted by: "Justin Kennedy"
> <Justin@systemwise.co.uk>
>
>
> Prop Strike!
>
>
> Our aircraft G-ZTED is a Europa Classic Monowheel Rotax 912S with an
> Airmaster A332 Propeller.
>
> Our lovely Europa, our pride and joy, was only 17 hours old when we went
> to our first fly-in. I was taxiing on rough grass and slightly out of
> wind, the tail lifted and, o woe and thrice woe, the propeller dug into
> the soft turf breaking three blades off and damaging the variable pitch
> mechanism of the prop.
>
> Lots of thought and soul searching not to mention upset later we have come
> up with a set of rules for taxiing our Classic Monowheel which will
> hopefully avoid this happening again. The Rules are on the back door of
> our trailer stuck to the broken blades to remind us. I would like to have
> seen these and thought about them before it happened to me. I offer the
> story here in spite of the embarrassment, knowing that if it saves just
> one propeller that it is worthwhile.
>
>
> The elevator of the Europa is powerful, it's brakes are good and the
> Centre of Gravity is not that far behind the mainwheel. Coupled with this
> we have the Rotax 912S with an Airmaster A332 constant speed prop which,
> when set to fine, can produce a thrust of over 500 lbs on the ground. Each
> one of these things can lead to the tail becoming light and in a number of
> circumstances they can add together to cause a certain propeller strike.
> All these forces act in the same way conspiring to wreck your propeller,
> your day, your self esteem and your bank balance.
>
> So, to counter this, we have devised a set of Rules which I am going to
> adhere to.
>
> It should be food for thought for new Monowheel owners.
>
>
> Rule 1: DO NOT Use more than 3000 rpm to taxi.
>
> This puts a limit on the amount of thrust which tends to tip the nose
> forward. If the ground is so rough that more than 3000 rpm is required
> then you should not be there. Shut Down and pull her out. It is a lot
> cheaper than a propeller.
>
>
> Rule 2: DO NOT Taxi with Power against the Brakes
>
> This is much the same as number one. Taxiing against the brakes produces a
> tendency to tip the nose forward. I can think of no occasion when it is a
> sensible thing to do so it is now off limits.
>
> Rule 3: ALWAYS Do the run up check directly into wind
>
> This may seem obvious but given the situation where you were say 40
> degrees out of wind in a blustery 25kt wind. The power goes on for the run
> up against the brakes. This makes the tail lighter but you pull the stick
> right back. Due to the strong side wind the prop wash is not operating on
> the upwind side of the elevator and the aircraft is very tail light. The
> blustery wind gusts under the windward elevator and the equation is
> suddenly not in your favour. Obey rule three and this won't happen.
>
>
> Rule 4: ALWAYS Centralise Control Stick when taxiing out of wind
>
> Again this is obvious. The all flying elevator is so powerful that if
> pulled back it is enough to lift the tail all on it's own without any of
> the other factors helping it. Due to the taxiing attitude of the monowheel
> the ailerons are best centralised out of wind.
>
> Centralised controls make the Europa Monowheel quite stable when taxiing
> downwind.
>
>
> Rule 5: NEVER Taxi on Rough Grass
>
> This is a bit extreme but after our experience we are going to stick to
> this. The Europa Monwheel's big wheel makes landing on rough fields
> possible but taxiing on rough grass is risky. If 3000 rpm won't take you
> then Shut Down and get out and pull it out. Believe me it is cheaper to do
> that.
>
>
> Rule 6: NEVER Use Power to overcome obstacles. When you get stuck.
> SHUT ENGINE DOWN and get out and pull it out.
>
> OK this is Rule five again but it is the most dodgy thing to do. Directly
> into wind it may be possible to get away with more thrust but our
> Airmaster Propeller is a wonderful piece of kit and makes our aeroplane
> very good cruising machine. It can pull the nose over with very little
> help. Why risk it.
>
>
> The above instructions are now incorporated into our Pilot Notes.
>
> We are just getting to know what a fantastic aeroplane we have made.
>
> See you around.
>
>
> Justin Kennedy
>
> G-ZTED
>
>
> --
>
>
Message 8
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| Subject: | Nose gear springs |
--> Europa-List message posted by: "Sidsel & Svein Johnsen" <sidsel.svein@oslo.online.no>
Springs
Hi, all,
As there evidently will be more builders/owners fitting the stainless steel nose
gear springs developed in Holland, here is the method I used to install mine:
1. Keep the safety wire as per Europa's Builder Manual
2. Measure the length that the springs must be extended to in order to enter over
the upper and the lower tubes. Do this with the stopper against the upper
tube, which requires that the nose wheel is free off the ground.
3. Extend the springs to a little over this minimum length.
I did this with a hydraulic 2 ton car jack. I placed one crowbar under it
and one on top (crowbars can withstand a lot of bending moment) and hooked the
springs over them - one on each side of the jack.
4. Insert suitable bits of steel between each coil, all the way from top to bottom,
one on each side of the spring (i.e. 180 degrees separation), to keep the
spring extended when removed from the jack.
I used plain nuts ( 5.3 millimeter thick, but the required thickness may vary
some), held in place by one strip of tacky tape on the outside of the spring
until I depressurized the car jack.
5. Depressurize the jack, and verify the correct length of the two springs.
5. Place the springs over the upper and lower tubes. You need to wriggle them a
little to get the last one in place, which you probably will find has to be placed
"turned around" compared to the first one (you will understand this when
you get there).
6. The attack point of the springs on the lower tubes must be as close to the center
as possible, to reduce the bending moment since the outer ends of the tube
are not supported (recommendation by EMIL).
I used hose clamps around the lower tube, on the outside of the spring hooks,
to prevent the hooks from sliding outwards over time.
7. By introducing pressure on the nose wheel, sufficient to open up the springs,
all the small steel pieces (the nuts) will fall out, and the job is done.
I did this the following way, whereby one does not need to excert any pressure
at all on the gearboxl:
- Rotate the nose wheel as for pushing the airplane backwards (this increases
the moment arm of the nose wheel).
- Lift the fuselage at the tail. I used a strong point in the ceiling of
my work shop, and a baggage strap with ratchet looped under the fuselage just
forward of the fin.
- When one of the main wheels has been lifted a little off the ground (meaning
that sufficient weight has been shifted to the nose wheel to stretch the
spring), you will hear the steel pieces (nuts) falling out. Before lowering the
tail back down, check that all the steel pieces (nuts) have actually fallen
out.
The entire operation took maybe 30 minues, and now I will have no more worries
about slack bungees. - Thank you, Tim!
Regards,
Svein
A-225 - now in Norway
Message 9
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| Subject: | Re: Nose gear springs |
--> Europa-List message posted by: "Tim Weert" <tim.weert@hccnet.nl>
Hi Svein,
It was a pleasure for me to help you. I hope that this solution will help more
Europa owners. I will wait untill the PFA will give a approval, than I'll investigate
how much springs are required. If they are ordered in one single order
the springs will be a lot cheaper. Here a estimate based at two orders I made
last year:
x material cost for one spring in Euro's
y cost for setting the machines etc. in Euro's
2 springs cost me 200 euro's (Incl. VAT)
6 springs cost me 308 euro's (Incl. VAT) <>
(I): y+2x 200 &
(II): y+6x 308 <>
y 200 - 2x & y 308 - 6x <>
200 -2x 308-6x <> 4x 108 <>
x 27 euro's <> fill in: (I) or (II)
y 146 euro's
Example: If the Europa owners order 146 springs for 123 Europa's (n 146) one spring
cost about 28,00 euro's
( 1 spring x + y/n)
28 euro's per spring is $ 33,74 (US Dollar Incl. VAT !!)
The only extra cost is for the shipment to the owners. Someone has to place the
order and collect the money.
Regards, Tim.
Heerhugowaard,
PH-JAI #460 XS TG 914 AP332
Message 10
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| Subject: | europa flyer #46 (sep 05) |
--> Europa-List message posted by: Rowland Carson <rowil@clara.net>
No doubt many Europa Club members will by now be wondering what's
happened to the next issue of the Club newsletter.
As you know, all the jobs in the Club are done without pay by
volunteers, in whatever time they can spare from the day job, the
family, and Europa building/flying.
Our Editor Peter Grant has suffered multiple setbacks to producing
the September 2005 issue of The Europa Flyer (#46). His computer had
a bad case of dead disc disease (yes, he's had the lecture about
backups) which affected his work as well as the Club stuff. When he
recovered from that his job has taken him abroad, and the firm which
does our printing is closed for a staff holiday at the crucial
moment. Peter has asked me to pass on his apologies to the list.
So, EF #46 is still in production; it will get to you as soon as our
resources permit. Please be patient - the impatient ones can start to
form a queue for taking over the Editorship at the next AGM, or
indeed sooner, depending on how impatient they are!
regards
Rowland
--
| Rowland Carson (retiring) Europa Club Membership Secretary - email for info!
| Europa 435 G-ROWI (750 hours building) PFA #16532
| e-mail <memsec@europaclub.org.uk> website <www.europaclub.org.uk>
Message 11
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| Subject: | Prop strikes and nose arm springs |
--> Europa-List message posted by: BEBERRY@aol.com
There has been a lot of correspondence of late about springs and the prop
strike by one member. Is there a connection?
I would not have thought it possible to have a prop strike on a reasonably
normal landing with bungees correctly set. If, however, this is possible,
will the replacement of bungees with springs help?
Is it also an issue with Monowheels rather than Tri Gear Europas? Is the
Mono more likely (with its apparently less longitudinal stability) to have a
prop strike, even when taxiing, as with the related incident?
As a relative newcomer to this aircraft some info on the subject and member
comment would be useful
Patrick
Message 12
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| Subject: | Re: Nose gear springs |
--> Europa-List message posted by: Gerry Holland <gholland@gemini-resourcing.com>
Tim Hi!
Any photos anywhere of this modification?
Gerry
Message 13
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| Subject: | Re: Europa G-ZTED Prop Strike |
--> Europa-List message posted by: "Timothy.P.Ward" <ward.t@xtra.co.nz>
Justin,
Excellent work. Well put together and a good reminder.
Haven't done it yet(taxying that is) but always wary of it due to the small distance
between prop and ground.
Cheers,
Tim
>
> From: "Justin Kennedy" <Justin@systemwise.co.uk>
> Date: 2005/10/31 Mon AM 08:16:45 GMT+13:00
> To: <europa-list@matronics.com>
> Subject: Europa-List: Europa G-ZTED Prop Strike
>
> --> Europa-List message posted by: "Justin Kennedy" <Justin@systemwise.co.uk>
>
>
> Prop Strike!
>
>
> Our aircraft G-ZTED is a Europa Classic Monowheel Rotax 912S with an Airmaster
A332 Propeller.
>
> Our lovely Europa, our pride and joy, was only 17 hours old when we went to our
first fly-in. I was taxiing on rough grass and slightly out of wind, the tail
lifted and, o woe and thrice woe, the propeller dug into the soft turf breaking
three blades off and damaging the variable pitch mechanism of the prop.
>
> Lots of thought and soul searching not to mention upset later we have come up
with a set of rules for taxiing our Classic Monowheel which will hopefully avoid
this happening again. The Rules are on the back door of our trailer stuck
to the broken blades to remind us. I would like to have seen these and thought
about them before it happened to me. I offer the story here in spite of the embarrassment,
knowing that if it saves just one propeller that it is worthwhile.
>
>
> The elevator of the Europa is powerful, it's brakes are good and the Centre of
Gravity is not that far behind the mainwheel. Coupled with this we have the
Rotax 912S with an Airmaster A332 constant speed prop which, when set to fine,
can produce a thrust of over 500 lbs on the ground. Each one of these things
can lead to the tail becoming light and in a number of circumstances they can
add together to cause a certain propeller strike. All these forces act in the
same way conspiring to wreck your propeller, your day, your self esteem and your
bank balance.
>
> So, to counter this, we have devised a set of Rules which I am going to adhere
to.
>
> It should be food for thought for new Monowheel owners.
>
>
> Rule 1: DO NOT Use more than 3000 rpm to taxi.
>
> This puts a limit on the amount of thrust which tends to tip the nose forward.
If the ground is so rough that more than 3000 rpm is required then you should
not be there. Shut Down and pull her out. It is a lot cheaper than a propeller.
>
>
> Rule 2: DO NOT Taxi with Power against the Brakes
>
> This is much the same as number one. Taxiing against the brakes produces a tendency
to tip the nose forward. I can think of no occasion when it is a sensible
thing to do so it is now off limits.
>
> Rule 3: ALWAYS Do the run up check directly into wind
>
> This may seem obvious but given the situation where you were say 40 degrees out
of wind in a blustery 25kt wind. The power goes on for the run up against the
brakes. This makes the tail lighter but you pull the stick right back. Due
to the strong side wind the prop wash is not operating on the upwind side of the
elevator and the aircraft is very tail light. The blustery wind gusts under
the windward elevator and the equation is suddenly not in your favour. Obey rule
three and this won't happen.
>
>
> Rule 4: ALWAYS Centralise Control Stick when taxiing out of wind
>
> Again this is obvious. The all flying elevator is so powerful that if pulled
back it is enough to lift the tail all on it's own without any of the other factors
helping it. Due to the taxiing attitude of the monowheel the ailerons are
best centralised out of wind.
>
> Centralised controls make the Europa Monowheel quite stable when taxiing downwind.
>
>
> Rule 5: NEVER Taxi on Rough Grass
>
> This is a bit extreme but after our experience we are going to stick to this.
The Europa Monwheel's big wheel makes landing on rough fields possible but taxiing
on rough grass is risky. If 3000 rpm won't take you then Shut Down and get
out and pull it out. Believe me it is cheaper to do that.
>
>
> Rule 6: NEVER Use Power to overcome obstacles. When you get stuck. SHUT
ENGINE DOWN and get out and pull it out.
>
> OK this is Rule five again but it is the most dodgy thing to do. Directly into
wind it may be possible to get away with more thrust but our Airmaster Propeller
is a wonderful piece of kit and makes our aeroplane very good cruising machine.
It can pull the nose over with very little help. Why risk it.
>
>
> The above instructions are now incorporated into our Pilot Notes.
>
> We are just getting to know what a fantastic aeroplane we have made.
>
> See you around.
>
>
> Justin Kennedy
>
> G-ZTED
>
>
>
>
>
>
>
Tim Ward
12 Waiwetu Street
Fendalton
Christchurch.
Ph. 0064 33515166
ward.t@xtra.co.nz
Message 14
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| Subject: | Re: Nose Gear Springs |
--> Europa-List message posted by: Robert Borger <rlborger@mac.com>
Fellow Europaphiles,
I am quite envious of all you tri-gear folks who are replacing your
bungee with real springs. Has anyone out there considered replacing
the bungee on the monowheel with real springs? Would the same nose-
wheel springs work for the mono? We are talking 18 inches (45.75 cm)
extended and 17 inches (43 cm) retracted.
Good building and great flying,
Bob Borger
Europa Kit #A221 N914XL, XS Mono, Intercooled 914, Airmaster C/S
http://www.europaowners.org/N914XL
(85%) tail kit done, wings closed, cockpit module installed, pitch
system in, landing gear frame in, rudder system in, outrigger mod in,
Fuselage Top on, lift/drag/flap pins in, wing incidence set, tie bar
in, flap drive in, Mod 70 done, baggage bay in. Working in - 24
Instrument Panel, 25 Electrical, 28 Flaps, 29 Main Gear, 30 Fuel
System, 32 Tail, 34 Door Latches & 35 Doors, 37 Finishing. Airmaster
arrived 29 Sep 05. Seat arrived from Oregon Aero. Preparing ROTAX
914 for installation.
3705 Lynchburg Dr.
Corinth, TX 76208
Home: 940-497-2123
Cel: 817-992-1117
Message 15
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| Subject: | Re: mounting base for finger brake cylinder |
--> Europa-List message posted by: Tony Renshaw <tonyrenshaw@optusnet.com.au>
Gidday Bruce, from Aussie,
I am still out here, but quiet on the Europa front. At the moment I am in
the doldrums, and distracted with the harmonica. What a pleasure to be able
to make a mistake and not have to physically repair it, or undo it, or redo
it, let alone the mental trauma that goes with it. So, I hope to get back
on my bike soon, but it is a slow struggle at the moment. I hope your build
is going well, and I read your queries about mounting your Jamar finger
brakes. Here is a photo of how I made up a cross-tunnel shelf. In fact I
will try and explain it. I measured up a piece of ply for the location
within the tunnel I wanted my shelf, then made it about 2 mm less wide. I
then layed up 2 or 3w plies of BID on the ply, on a bench, and overlapped
the ply by about 2" on the edges that mate with the sides of the tunnel. I
then flipped it over and did the same with the bottom. I then placed it in
position within the tunnel, after lining the tunnel walls with plastic. I
then taped the excess to the walls of the tunnel and let it set. With a lot
of yanking I was able to pull it out, and then cut down and shape the
integral brackets that were the excess cloth. Locate, and then drill in
position. Worked for me. I'll now try and find a picture. Hope this
diatribe helps. Hey, you still running around down to Mexico in that swanky
single turboprop.??? Gee, talk about envy :-)
Reg
Tony Renshaw
At 04:30 AM 10/26/2005, you wrote:
>--> Europa-List message posted by: "Bruce" <bruce@justbruce.com>
>
>Greetings,
>
>I have a Jamar US2002X dual brake cylinder that I believe is quite similar
>if not identical to the hand brake Europa currently utilizes for Tri-Gears.
>
>
>I need to fabricate a mounting shelf for that brake cylinder and since I
>have a cut-down tunnel, I can't utilize the Europa Mod 65 which includes a
>molded mounting base for the brake cylinder. I looked at the un-dimensioned
>photos in the Mod 65 instructions and am guessing that the mounting base for
>the brake cylinder is located approximately 4.5 to 5 inches (11 to 13 CM)
>below the top of the tunnel.
>
>Can anyone verify this dimension for me?
>
>Does anyone wish that this distance was higher or lower?
>
>I did a quick search of the list archives and found entries that suggest the
>handles should be fabricated to be 7.5 inches in length measured from the
>pivot hole to the center of the knob. Thickness of aluminum ranged from
>1/8 to 3/16 inch. Does anyone have any comments or suggestions on what has
>worked well for them?
>
>Thanks,
>Bruce
>XS142 Conventional Gear
>Tracy, CA
>
>
Message 16
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| Subject: | Re: mounting base for finger brake cylinder |
--> Europa-List message posted by: Tony Renshaw <tonyrenshaw@optusnet.com.au>
Gidday Bruce, from Aussie,
Sorry guys. Stuffed up the reply again.
Reg
Tony Renshaw
Hibernating Aussie.
I am still out here, but quiet on the Europa front. At the moment I am in
the doldrums, and distracted with the harmonica. What a pleasure to be able
to make a mistake and not have to physically repair it, or undo it, or redo
it, let alone the mental trauma that goes with it. So, I hope to get back
on my bike soon, but it is a slow struggle at the moment. I hope your build
is going well, and I read your queries about mounting your Jamar finger
brakes. Here is a photo of how I made up a cross-tunnel shelf. In fact I
will try and explain it. I measured up a piece of ply for the location
within the tunnel I wanted my shelf, then made it about 2 mm less wide. I
then layed up 2 or 3w plies of BID on the ply, on a bench, and overlapped
the ply by about 2" on the edges that mate with the sides of the tunnel. I
then flipped it over and did the same with the bottom. I then placed it in
position within the tunnel, after lining the tunnel walls with plastic. I
then taped the excess to the walls of the tunnel and let it set. With a lot
of yanking I was able to pull it out, and then cut down and shape the
integral brackets that were the excess cloth. Locate, and then drill in
position. Worked for me. I'll now try and find a picture. Hope this
diatribe helps. Hey, you still running around down to Mexico in that swanky
single turboprop.??? Gee, talk about envy :-)
Reg
Tony Renshaw
Message 17
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| Subject: | Re: europa flyer #46 (sep 05) |
--> Europa-List message posted by: DuaneFamly@aol.com
Rowland and Peter,
I have been in groups where there is a small clic of people that have most of
the work fall upon them. This is to let you know that I, and hopefully all
the other Europaphiles, understand that people do have jobs and a personal life
that need to come first. That the job you do is big part of the success of
this group. I want to thank you two for all the unsung effort put in and will
accept the Europa Flyer gratefully when I receive it.
Hopefully one day I will make it across the pond and would more than happy to
treat the both of you, and your significant others, to a night out of
drinking and eating and story telling until the sun rises in the East (even if
only
known by the fog and grey sky getting lighter).
Mike Duane A207
Redding, California
XS Conventional Gear
Do Not Archive
Message 18
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|
| Subject: | Re: Prop strikes and nose arm springs |
--> Europa-List message posted by: "Fergus Kyle" <VE3LVO@rac.ca>
----- Original Message -----
From: <BEBERRY@aol.com>
Subject: Europa-List: Prop strikes and nose arm springs
| --> Europa-List message posted by: BEBERRY@aol.com
|
|
|
| There has been a lot of correspondence of late about springs and the prop
| strike by one member. Is there a connection?
|
| I would not have thought it possible to have a prop strike on a
reasonably
| normal landing with bungees correctly set. If, however, this is
possible,
| will the replacement of bungees with springs help?
Patrick,
I don't think there is any direct connection between prop
strikes and bungees. The bungees assist in raising or lowering the monowheel
gear, but once locked into place the mainwheel gets no effect from the
bungees.
Cheers, Ferg
Message 19
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| Subject: | Re: Prop strikes and nose arm springs |
--> Europa-List message posted by: "Fergus Kyle" <VE3LVO@rac.ca>
----- Original Message -----
From: "Fergus Kyle" <VE3LVO@rac.ca>
Subject: Re: Europa-List: Prop strikes and nose arm springs
|
| ----- Original Message -----
| From: <BEBERRY@aol.com>
| To: <europa-list@matronics.com>
| Sent: Monday, October 31, 2005 5:17 PM
| Subject: Europa-List: Prop strikes and nose arm springs
|
|
|| --> Europa-List message posted by: BEBERRY@aol.com
||
||
||
|| There has been a lot of correspondence of late about springs and the
prop
|| strike by one member. Is there a connection?
||
|| I would not have thought it possible to have a prop strike on a
| reasonably
|| normal landing with bungees correctly set. If, however, this is
| possible,
|| will the replacement of bungees with springs help?
|
| Patrick,
| I don't think there is any direct connection between prop
| strikes and bungees. The bungees assist in raising or lowering the
monowheel
| gear, but once locked into place the mainwheel gets no effect from the
| bungees.
| Cheers, Ferg
Oh-oh,
On reading this last I suddenly realised I should have gone to
bed. This topic refers to tri-gears......... Out of my league. Please
disregard!
Ferg
Do not archive
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