Today's Message Index:
----------------------
1. 09:25 AM - Tail wheel control cables attachment (Guerner Remi)
2. 10:26 AM - Re: Tail wheel control cables attachment (Kevin Klinefelter)
3. 10:35 AM - FW: Bing Carb Checks ----- FAA investigated fatal accident.. (Guerner Remi)
4. 12:24 PM - Re: FW: Bing Carb Checks ----- FAA investigated fatal accident.. (Rehn)
5. 01:21 PM - Re: Tail wheel control cables attachment (rparigoris)
6. 01:31 PM - Re: FW: Bing Carb Checks ----- FAA investigated fatal accident.. (Frans Veldman)
7. 04:02 PM - Re: Tail wheel control cables attachment (Robert Borger)
8. 11:55 PM - Re: Tail wheel control cables attachment (keith hickling)
Message 1
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| Subject: | Tail wheel control cables attachment |
Hi all monowheel drivers,
After landing on a mountain strip today I noticed I had some trouble
controlling the aircraft on roll out and tight turning on the
parking. The next landing on another altiport was uneventful but
again I had trouble tight turning to the parking spot.
During the preflight check for the return flight, this is what I
found: the starboard ring attaching the cable of the tailwheel fork
was open and was barely insuring a very loose connection. See attached
picture.
I am afraid that if that ring had become fully disconnected, I would
have crashed into the wall of rocks on the left side of that runway!
Lesson learned: check that tailwheel control cables carefully before
EVERY takeoff.
Of course I am thinking at some solution to insure a safer connection
of those cables.
Remi Guerner
F-PGKL
t
Message 2
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| Subject: | Re: Tail wheel control cables attachment |
Hi Remi,
Another way to attach the cable is with a shackle (AN115) and clevis pin.
This is working well for me so far.
Glad to see it did not let loose completely!
Kevin
N211KA
914 Mono
Message 3
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| Subject: | FW: Bing Carb Checks ----- FAA investigated fatal accident.. |
Hi Jerry,
<<<<<You must divide by two for the rotax not multiply, so half the
problem>>>>>>
The reason for two carbs on the Rotax is not redundancy but
performance. I am pretty sure that if one carb fails completely on the
Rotax, the engine runs so rough that you had better stop it
immediately and land. Therefore the probability of engine failure due
to a carb problem on a Rotax is two times higher than on a Jabiru.
Regards
Remi
Message 4
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| Subject: | Re: FW: Bing Carb Checks ----- FAA investigated fatal accident.. |
Yeah, I was just trying to lighten things up a bit with that suggestion. But I
did own a Kitfox with a 912 that was set up with a design that could let the carbs
shake loose and fall off the engine. They did come out with a fix. But I
had one fall of while flying over water (very exciting I might add) and the engine
ran very rough but I kept enough power and kept it running to get it safely
to an airport. That's one of the reasons I love that engine it kept on going
with one carb, basically half an engine. I have nothing against Jabs but I do
like the two carbs. Fuel injection would be better!
Jerry
Sent from my iPad
On Sep 12, 2010, at 10:32 AM, Guerner Remi <air.guerner@orange.fr> wrote:
>
> Hi Jerry,
>
> <<<<<You must divide by two for the rotax not multiply, so half the problem>>>>>>
>
> The reason for two carbs on the Rotax is not redundancy but performance. I am
pretty sure that if one carb fails completely on the Rotax, the engine runs so
rough that you had better stop it immediately and land. Therefore the probability
of engine failure due to a carb problem on a Rotax is two times higher
than on a Jabiru.
>
> Regards
> Remi
>
>
>
>
>
>
Message 5
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| Subject: | Re: Tail wheel control cables attachment |
Hi Remi
Glad to hear that connector didn't let go all together.
Some ideas:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=27732
**I am using stainless connectors that could pretty much be used as a direct replacement
of the spring clips. I have a pic of McMasters page in cat. with part
number. Item is made in France, very nice quality.
**If you need to make another cable, take a look at my 3 Nico, 2 cable alternative
to 1 cable. If you go this route first nico the third nico, then hang a 5
gallon can or kerosene or similar weight to load cable when doing nico 2 and 3.
**I made some cone washers to help stop point loading, they work great
**I ripped off Grahams aluminium tailwheel stop
**I incorporated turnbuckles on tailwheel drive, one side with an eye and the other
with a clevis
**** This is a little off topic, but not much!
I mentioned this before, if you have turnbuckles to adjust rudder cables and have
not addressed their affinity to tangle if you release pressure from return
springs, I believe this is an accident waiting to happen.
Resolution is simple, I used two pieces of heat shrink.
If anyone has turnbuckles for rudder cables I urge you to release tension by lifting
rudder pedal just a little while observing turnbuckles. When they tangle
it limits the side that tangles rudder travel because the other rudder pedal
acts as a stop when going aft.
I would not want this to happen on a trigear, but on a tailwheel plane all I can
say is "yikes".
See page 2:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=27732
Ron Parigoris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=312224#312224
Message 6
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| Subject: | Re: FW: Bing Carb Checks ----- FAA investigated fatal accident.. |
On 09/12/2010 07:32 PM, Guerner Remi wrote:
>
> The reason for two carbs on the Rotax is not redundancy but performance.
> I am pretty sure that if one carb fails completely on the Rotax, the
> engine runs so rough that you had better stop it immediately and land.
There is a solution to that:
http://www.flygas.info/en/kit-intake-manifold.html
This set replaces the balance tube between the carbs by a much larger
balance tube, so each carb can feed both halves of the engine. It also
doesn't matter much anymore if your carbs are balanced or not, you can
just loose a carb and the engine keeps running on 4 cylinders.
It also makes retrofitting fuel injection easier, as these inlet
manifolds have already the fuel injector bosses in them. You only have
to bore them out and tap a thread in them.
The new billet pump (see Rob Borgers reports) is capable of feeding an
injector system directly, as it can produce a sufficiently high
pressure. So all one need after that is four injectors and a universal
EFI-box. You keep the carbs, they are now just playing the role of
throttle body.
The nice thing with such a setup is that you can in flight switch
between carbs and EFI. So you keep the carbs as a backup.
I feel a project coming. ;-)
Frans
Message 7
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| Subject: | Re: Tail wheel control cables attachment |
Remi,
Loose the clips! Replace them with AN115 Cable Shackles, Clevis Pins and a Cotter
Pins (split pin).
http://www.aircraftspruce.com/catalog/appages/an115.php
http://www.aircraftspruce.com/catalog/hapages/clevispins.php
http://www.aircraftspruce.com/catalog/hapages/cotterpins.php
Check six,
Bob Borger
http://www.europaowners.org/N914XL
Europa XS, Short Wing, Intercooled Rotax 914
rlborger@mac.com
Cel: 817-992-1117
On Sep 12, 2010, at 12:18 PM, Guerner Remi wrote:
> Hi all monowheel drivers,
>
> After landing on a mountain strip today I noticed I had some trouble controlling
the aircraft on roll out and tight turning on the parking. The next landing
on another altiport was uneventful but again I had trouble tight turning to
the parking spot.
> During the preflight check for the return flight, this is what I found: the
starboard ring attaching the cable of the tailwheel fork was open and was barely
insuring a very loose connection. See attached picture.
> I am afraid that if that ring had become fully disconnected, I would have crashed
into the wall of rocks on the left side of that runway!
> Lesson learned: check that tailwheel control cables carefully before EVERY takeoff.
> Of course I am thinking at some solution to insure a safer connection of those
cables.
>
> Remi Guerner
> F-PGKL
>
> <P9120029.JPG> t
Message 8
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| Subject: | Tail wheel control cables attachment |
Hello Remi,
Yes, I had the same problem 9 months ago after about 80 hours. I also
noticed poor steering and found the same problem. I emailed John Wheeler
and he told me that they have now changed to a mini U bolt (like the
u-bolt and screw pin used to secure the safety chain on a trailer) to
connect the cables to the tailwheel assembly as they have seen that
problem before. Maybe those wire connectors should all be changed.
Regards,
Keith.
Keith Hickling,
New Zealand.
XS Mono 613, 912 uls. 130 hrs.
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Guerner
Remi
Sent: Monday, 13 September 2010 4:19 a.m.
Subject: Europa-List: Tail wheel control cables attachment
Hi all monowheel drivers,
After landing on a mountain strip today I noticed I had some trouble
controlling the aircraft on roll out ................
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