Today's Message Index:
----------------------
1. 12:15 AM - Last "Official" Day To Make Your List Contribution!! (Matt Dralle)
2. 12:17 AM - Re: 582 power and cowling (Andrea Cambiaghi)
3. 05:49 AM - Re: Last "Official" Day To Make Your List Contribution!! (Kenneth and Alice Jones)
4. 08:02 AM - Re: M4/1200 Speedster Fule system (Guy Buchanan)
5. 08:02 AM - Re: 582 power and cowling (Guy Buchanan)
6. 05:00 PM - Flaperon Construction (Guy Buchanan)
7. 09:01 PM - Re: Flaperon Construction (Ceashman@aol.com)
8. 09:11 PM - Re: 582 power and cowling (R & L Ainsworth)
9. 10:06 PM - Re: 582 power and cowling sounds like an excellant reason... :-) (Aerobatics@aol.com)
10. 11:29 PM - Indicated Airspeed Differential Pressure (cygan@optusnet.com.au)
Message 1
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| Subject: | Last "Official" Day To Make Your List Contribution!! |
--> Kitfox-List message posted by: Matt Dralle <dralle@matronics.com>
Dear Listers,
Well, its November 30th and that means three things...
1) Today I am officially 42 years old (sympathy is appreciated)!
2) It marks that last "official" day of the List Fund Raiser!
3) Its the last day I will be bugging everyone for a whole year! :-)
If you use the Lists and enjoy the content and the no-advertising,
no-spam, and no-censorship way in which they're run, please make a
Contribution today to support their continued operation and
upkeep. Your $20 or $30 goes a long way to further the List
operation and keep the bills paid.
A Lister wrote a funny message in the comments field of his
Contribution that I thought summed things up pretty well:
"Worth every penny and I'm a tightwad!"
Thank you to everyone that has made a Contribution so far this
year! It is greatly appreciated.
Contributions: http://www.matronics.com/contribution
Best regards,
Matt Dralle
List Administrator
Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
http://www.matronics.com/ WWW | Featuring Products For Aircraft
do not archive
Message 2
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| Subject: | Re: 582 power and cowling |
--> Kitfox-List message posted by: Andrea Cambiaghi <andrea.cambiaghi@tiscali.it>
Thank you all.
In my opinion the most probable causes you suggested are:
- Inadequate outlet area. Indeed I don't understand where the outlet area
is on the kitfox cowlings. I have just a gap between the cowling and the
firewall underneath the plane. I measured this area and is far less then
the front opening. Where is the air outlet ?
- Exhaust leak. I'll check the ball joints, I know one of them is not
perfect. It got a little deformation by welding. What kind of anti-seize do
you use ?
- Air flow. The 3-blade propeller is at about 5 cm (or 2 inches) from the
front cowling and I have a spinner installed. There are also landing lights
installed in the cowling on the sides of the gearbox. Could these create
some turbolence in the air flow around the air-filter ?
I have not a silencer installed, it is good to know that it robs power.
Ciao
Andrea
At 18:28 29/11/2005, you wrote:
>--> Kitfox-List message posted by: Andrea Cambiaghi
><andrea.cambiaghi@tiscali.it>
>
>Good morning,
>I have a problem of loss of power when I install the cowling, does anyone
>had the same problem ?
>
>This is the full story.
>I bought my second hand kitfox 3 two years ago.
>The exhaust system consisted of just two part, the muffler and the
>manifold. The manifold had a very sharp elbow welded on it.
>I have had a lot of cracks on both the manifold and the muffler.
>This year I have finally decided to change the whole system and to make it
>more similar to the standard exhaust from rotax with the elbow connected by
>ball joints.
>With my great surprise and pleasure when I started the engine with the new
>exhaust system the engine gained 1000 rev/min.
>Now I have discovered that when I install the cowlings the engine loses 200
>rev/min.
>If I just remove the first cowling these 200 rev/min came back.
>
>Does anyone can give me an advise on how to modify the cowlings ?
>
>Thank you
>Andrea
>P.S. In Italy, where I live, this is a male name.
>
>
Message 3
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| Subject: | Re: Last "Official" Day To Make Your List Contribution!! |
--> Kitfox-List message posted by: "Kenneth and Alice Jones" <kmjones@innernet.net>
Hi Matt:
42 and you want sympathy! You're a youngster! No sympathy from me. Enjoy
your youth.
Ken Jones
----- Original Message -----
From: "Matt Dralle" <dralle@matronics.com>
Subject: Kitfox-List: Last "Official" Day To Make Your List Contribution!!
> --> Kitfox-List message posted by: Matt Dralle <dralle@matronics.com>
>
>
> Dear Listers,
>
> Well, its November 30th and that means three things...
>
> 1) Today I am officially 42 years old (sympathy is appreciated)!
>
> 2) It marks that last "official" day of the List Fund Raiser!
>
> 3) Its the last day I will be bugging everyone for a whole year!
> :-)
>
> If you use the Lists and enjoy the content and the no-advertising,
> no-spam, and no-censorship way in which they're run, please make a
> Contribution today to support their continued operation and
> upkeep. Your $20 or $30 goes a long way to further the List
> operation and keep the bills paid.
>
> A Lister wrote a funny message in the comments field of his
> Contribution that I thought summed things up pretty well:
>
> "Worth every penny and I'm a tightwad!"
>
> Thank you to everyone that has made a Contribution so far this
> year! It is greatly appreciated.
>
> Contributions: http://www.matronics.com/contribution
>
> Best regards,
>
> Matt Dralle
> List Administrator
>
>
> Matt G Dralle | Matronics | PO Box 347 | Livermore | CA | 94551
> 925-606-1001 V | 925-606-6281 F | dralle@matronics.com Email
> http://www.matronics.com/ WWW | Featuring Products For Aircraft
> do not archive
>
>
>
Message 4
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| Subject: | Re: M4/1200 Speedster Fule system |
--> Kitfox-List message posted by: Guy Buchanan <bnn@nethere.com>
At 08:46 PM 11/29/2005, you wrote:
...
>But with as many as eight airplanes in loose formation, we
>probably have a combined total of well over 1000 hours flying together from
>the California to the Canadian border above Idaho, to Oshkosh, to the
>Arizona fly-in and we have had no Kitfox design issues - not a one - and
>most of the guys built according to the plans. No special glues, no braided
>hose, no aux fuel pumps (except me). This isn't to say that a lot of this
>stuff is wrong or bad, it's just that most if it is really not necessary -
>by experience. (again my opinion)
>
>Lowell
Lowell, you have won the award for the best post in a long time.
Guy Buchanan
K-IV 1200 / 582 / 99.9% done, thanks mostly to Bob Ducar.
Do not archive
Message 5
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| Subject: | Re: 582 power and cowling |
--> Kitfox-List message posted by: Guy Buchanan <bnn@nethere.com>
At 12:16 AM 11/30/2005, you wrote:
>--> Kitfox-List message posted by: Andrea Cambiaghi
><andrea.cambiaghi@tiscali.it>
>
>Thank you all.
>In my opinion the most probable causes you suggested are:
>
>- Inadequate outlet area. Indeed I don't understand where the outlet area
>is on the kitfox cowlings. I have just a gap between the cowling and the
>firewall underneath the plane. I measured this area and is far less then
>the front opening. Where is the air outlet ?
My air outlet is along the bottom edge. It measures about 13 x 2 3/4
inches. I also have the outlet all around the aft edge of the bump cowl. I
doubt, however, that this will contribute to an RPM loss. Even with zero
exit you should still have plenty of air swirling around to feed the carbs.
>- Exhaust leak. I'll check the ball joints, I know one of them is not
>perfect. It got a little deformation by welding. What kind of anti-seize do
>you use ?
I got mine at the local auto parts store. It's made by Permatex and is
called, simply enough, "anti-seize". It's silver in color and a little greasy.
Guy Buchanan
K-IV 1200 / 582 / 99.9% done, thanks mostly to Bob Ducar.
Message 6
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| Subject: | Flaperon Construction |
--> Kitfox-List message posted by: Guy Buchanan <bnn@nethere.com>
All,
As my Kitfox IV-1200 will live in its trailer with its wings
folded all the time I have become concerned with this problem of the
in-plane stiffness of the flaperon causing excessive loads at the bearings
during trailering or whenever the wings are folded. I therefore desire any
information on the flaperon construction, circa '93.
Thanks,
Guy Buchanan
K-IV 1200 / 582 / 99.9% done, thanks mostly to Bob Ducar.
Message 7
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| Subject: | Re: Flaperon Construction |
--> Kitfox-List message posted by: Ceashman@aol.com
Guy wrote:
> I have become concerned with this problem of the
in-plane stiffness of the flaperon causing excessive loads at the bearings
during trailering or whenever the wings are folded.
Guy, when I folded the wings and got everything ready for the trailer the
normal was to use the tube supports at the front (wing root) and the rear where
the wing closes in on the vertical stabilizer.
Of course, before folding the wings there are a couple of things to do and
one of them is to position the flaperon with the trailing edge pointing upward.
Otherwise the flaperon gets in the way of full folding of the wing (and the
trailing edge could damage the fabric on the VS.)
Now when the wings are fully folded and the front and rear tubes are in place
the rudder cover and pads protect the Vertical Stabilizer from the buffeting
of the flaperon.
But for extra measure I used to: At the two safety pin points that come
close together inside the craft (these are the pins that normally couple the
linkage to the flaperons when the wings are spread) I used a small bungee and made
a figure eight and kind of held the flaperon in tension, so that they would
not buffet any during road transit. I used to maximize my transportation to 60
MPH on the highway, a little slower when I knew a large truck was overtaking,
that he could pass more quickly.
So, I did not notice that there was any excessive loads on the flaperon
bearings.
What I did notice though, there was excessive tension on me when I was
unfolding or folding the wings. You require full concentration when doing this
because you can easily damage something when bystanders want to talk to you during
the folding process.
It is only natural that they are curious when they see the wings being folded
or unfolded.
Hope this helps. Eric.
Message 8
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| Subject: | Re: 582 power and cowling |
--> Kitfox-List message posted by: "R & L Ainsworth" <rainsworth@xtra.co.nz>
----- Original Message -----
From: "Andrea Cambiaghi" <andrea.cambiaghi@tiscali.it>
Subject: Re: Kitfox-List: 582 power and cowling
Hi Andrea
This type of power loss was discussed on the list several years ago.
The problem is the air inside the cowl gets hot from the exhaust muffler
and causes a slight loss of power.
I had a silver head 582 in a Model 4 and replaced this with a blue head
582.Both engines showed the loss in power.
It has not caused me any problems in actual use
Russell Ainsworth ZK-KIV New Zealand
>
do not archive
Message 9
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| Subject: | Re: 582 power and cowling sounds like an excellant reason... |
:-)
--> Kitfox-List message posted by: Aerobatics@aol.com
In a message dated 11/30/2005 11:11:54 PM Central Standard Time,
rainsworth@xtra.co.nz writes:
Hi Andrea
This type of power loss was discussed on the list several years ago.
The problem is the air inside the cowl gets hot from the exhaust muffler
and causes a slight loss of power.
I had a silver head 582 in a Model 4 and replaced this with a blue head
582.Both engines showed the loss in power.
It has not caused me any problems in actual use
Russell Ainsworth ZK-KIV New Zealand
Message 10
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| Subject: | Indicated Airspeed Differential Pressure |
--> Kitfox-List message posted by: cygan@optusnet.com.au
G'Day from Australia,
Does anyone have a differential pressure graph to check an ASI?
Thanx.
cy
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