Today's Message Index:
----------------------
1. 04:05 AM - Re: A Long Pin (Raimo Toivio)
2. 07:51 AM - Push-pull throttle cables (John & Paddy Wigney)
3. 09:10 AM - push pull throttle (Ralph K. Hallett III)
4. 06:28 PM - Ducati inverter-regulator (Fergus Kyle)
5. 09:53 PM - Re: Warp Drive propeller blades (William Mills)
6. 11:48 PM - Re: Ducati inverter-regulator (nigel charles)
Message 1
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Thanks Ron,
you had some great ideas and one of them was a real succes!
----- Original Message -----
From: <rparigor@suffolk.lib.ny.us>
Sent: Saturday, March 31, 2007 1:11 AM
Subject: Re: Europa-List: A Long Pin
> Another, I have read about friction grease used for tri nose wheel. Get
> hold of some and pack a little around bearing to hold it in place
I did so and oolalaa my port wings flap pin goes into his bearing happily.
Small thing makes rigging fun, fast and easy - now it is for me possible
to do it from the trailer in 5 minutes as advertised.
I have to point also: my bearings are fully pushed into their housings
and they cannot go any deeper (yes - I have hammered them) and
they are still rotating free 360 degrees. But because of Rons thick
magic grease they are unsensitive enough today (for me at least).
Cheers, Raimo
=========
Raimo M W Toivio
OH-XRT Europa XS Mono #417, FCAA permitted for test flights, first flight is scheduled
OH-CVK C172 Skyhawk, reinterioring completed, still behind the Polar Circle
OH-BLL Beechcraft C45, w radial engines, singing this summer?
37500 Lempaala
Finland
tel + 358 3 3753 777
fax + 358 3 3753 100
gsm + 358 40 590 1450
raimo.toivio@rwm.fi
www.rwm.fi
Message 2
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| Subject: | Push-pull throttle cables |
Hi Gilles,
I agree. I think that it is important that opinions are stated in an
objective manner on the list even if they are strongly felt. If there
are specific instances of failure mechanisms which can be quoted with
details, by all means they should be explained.
My complements on your http://contrails.free.fr/ site. An interesting
collection of technical articles.
Cheers, John
N262WF, mono XS, 912S
Mooresville, North Carolina
DO NOT ARCHIVE
************ From: Gilles Thesee <Gilles.Thesee@ac-grenoble.fr> Subject:
Re: Europa-List: Baby Blue is back! Jos Okhuijsen a crit :
>> But your ill advice might one day kill somebody.
>
>
Jos,
The push-pull control cable is not an exotic device from one lister's
troubled mind, bud a widespread and generally trouble free solution
to the throttle actuation problem in an airplane.
Just disagreeing on a point is no problem, whereas affirming a
suggestion is ill and might kill really needs to be supported with hard
facts or proven engineering considerations.
Please don't lose sleep on throttle actuation. The most frequent source
of engine trouble on an experimental is related to fuel supply, not
throttles.
Best regards,
Gilles http://contrails.free.fr
************
Message 3
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| Subject: | push pull throttle |
Hi all,
First, let me thank you all for such worth while thoughts and ideas.
Well after sitting on the side lines most of the time, I guess I need to
put in my nickels worth.
We were flying an C-150 Texas Tail Dragger doing touch and goes. We
started a go around when both my instructor and I noted some thing was
not quite right, then we realized the throttle was all the way to the
panel and we were only getting 1900 rpm vs 2500 rpm.
Fortunately it was a cool winter day, the airport is at 5040 ft and we
were very close to gross weight. We made an abbreviated pattern and
landed on an intersecting runway with out problem.
The issue was the push-pull cable housing behind the panel had broken.
It was plastic and just gave up the ghost after so many years of use. My
point is that if there had been a spring on the throttle, we could have
still had throttle control. Instead all we had was throttle back, not
in. A combination of push-pull and a spring must be the best of possible
designs.
Ralph
Reno, NV
Message 4
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| Subject: | Ducati inverter-regulator |
Hi
I've read of several failures in the list, and a local buddy admits to using
his third, so I builkt an 8inch NACA duct to lead outside air right onto its
ugly face.
Do you suppose that'll keep it intact [provided I don't ask more than about
20 amps from it in cruise]?
Ferg Kyle
Europa A064 914 Classic
Message 5
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| Subject: | Re: Warp Drive propeller blades |
Your guess is correct, Graham. I visited the Warp Drive stand at S n F last
year and they confirmed they have only one mould for all blades.
Regards,
William
----- Original Message -----
From: "Graham Singleton" <grahamsingleton@btinternet.com>
Sent: Wednesday, April 25, 2007 2:25 PM
Subject: Re: Europa-List: Warp Drive propeller blades
> <grahamsingleton@btinternet.com>
>
> Phil
> it's the power absorption. The tapered blade matches the power output of
> the 912, so allows the engine to develop enough rpm for the power needed
> for take oiff and climb..
> 912S & 914 need more blade area to absorb the power. Tapered blades will
> over rev too easily. Tapering a broad blade is maybe the cheap way to do
> it, they can use the same mould for either then cut to suit. My guess
> anyway.
> Graham
>
> flyingphil2 wrote:
>>
>> Hi,
>> I've searched this forum to see if I can find the answer but I can't.
>> So, can anyone tell me why on the 62" Warp Drive ground adjustable
>> propeller, tapered blades are recommended for a Rotax 912 and broad
>> blades are recommended for a 912S and 914?
>>
>> What is the issue with running a tapered blade on a 912S or a broad blade
>> on a 912?
>>
>> Yours,
>>
>> 'Newbie to Propeller design'
>>
>>
>>
>>
>>
>>
>> Visit - www.EuropaOwners.org
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
> --
> Graham Singleton
>
> Tel: +441629820187
> Mob: +447739582005
>
>
>
Message 6
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| Subject: | Ducati inverter-regulator |
The recommendation for long life reliability is to keep the continuous
load to a maximum of 11 amps. Even with a fairly comprehensive panel I
find that with the low current draw of modern avionics this is not a
problem. However the load certainly increases rapidly if you include
lighting other than strobes. The amount of cooling you will be adding
may well make the difference but you may wish to check whether you
really need a 20A capability in the cruise. Even a NACA duct adds
significant drag.
Nigel Charles
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Fergus Kyle
Sent: 27 April 2007 02:27
Subject: Europa-List: Ducati inverter-regulator
Hi
I've read of several failures in the list, and a local buddy admits to
using
his third, so I builkt an 8inch NACA duct to lead outside air right onto
its
ugly face.
Do you suppose that'll keep it intact [provided I don't ask more than
about
20 amps from it in cruise]?
Ferg Kyle
Europa A064 914 Classic
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