Today's Message Index:
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0. 12:10 AM - Just Two More Days Left; Fund Raiser Behind By 12%... (Matt Dralle)
1. 04:06 AM - FSII CHT vs EGT (Lanny Fetterman)
2. 04:11 AM - Re: Re: Another experiment (Richard Girard)
3. 04:46 AM - Re: Relationship Between Static, Climb Out & Cruise RPM Question (Thom Riddle)
4. 09:49 AM - Re: FS II CHT vs EGT (zeprep251@AOL.COM)
5. 01:17 PM - Saturday grass strip landing (cristalclear13)
6. 01:37 PM - Re: 503 Problem (rayw)
7. 02:00 PM - Re: Saturday grass strip landing (Richard Pike)
8. 02:20 PM - Re: Saturday grass strip landing (robert bean)
9. 03:06 PM - Re: Saturday grass strip landing (slowaero)
10. 05:56 PM - Re: 503 Problem (cristalclear13)
11. 06:04 PM - Re: Saturday grass strip landing (John Hauck)
12. 06:47 PM - Re: Re: Relationship Between Static, Climb Out & Cruise RPM Question (Jack B. Hart)
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Subject: | Just Two More Days Left; Fund Raiser Behind By 12%... |
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The temps you quote are VERY close to the temps I also see on my 503 DCDI.
(my CHT might be a smidge higher) My Plugs always look just right in color
and what I can see on the top of my pistons also looks good. I consider
this to be normal for my engine. If I ever see visual signs that something
isn`t right, that`s when I will be concerned. My CHT senders are placed on
the rear spark plugs of each cylinder. This is suppose to be the hottest
plug area as far as temps go. Lanny FSII N598LF
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Subject: | Re: Another experiment |
The pitot was sticking into the boom tube with the opening facing aft.
Rick Girard
do not archive
On Sat, Nov 28, 2009 at 8:20 PM, cristalclear13 <
cristalclearwaters@gmail.com> wrote:
> cristalclearwaters@gmail.com>
>
>
> rickofudall wrote:
> > I have this nice little Winter airspeed indicator that I was thinking of
> putting on eBay so day before yesterday when my buddy Dave was down working
> on his latest project, we decided to take it out and make sure it worked. I
> made a pitot to stick out the car window and off we went. Seems to be pretty
> accurate at all the road legal speeds at least. It's unusually warm today,
> flying seemed to be just the thing to do, and I got to thinking about
> something to do with that little ASI before I got rid of it. I've always
> wondered how much air is coming up the boom tube. Now I know.
> >
> > Rick Girard
>
>
> Where exactly was your pitot tube on this experiment?
>
> --------
> Cristal Waters
> Kolb Mark II Twinstar
> Rotax 503 DCSI
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=275243#275243
>
>
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Subject: | Re: Relationship Between Static, Climb Out & Cruise RPM Question |
When pitch is set properly on slow aircraft one can expect a 5-10% difference in
static and full power level flight rpm. I think anywhere in this range will
probably be good enough for first flight.
As you move up the speed range (faster aircraft) the difference gets greater. When
I was flying an Allegro the difference was close to 15%. Lots of GA aircraft
see 20-25% difference.
--------
Thom Riddle
Buffalo, NY
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x31
How hard it is, sometimes, to trust the evidence of one's senses! How reluctantly
the mind consents to reality.
- Norman Douglas
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275324#275324
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Subject: | Re: FS II CHT vs EGT |
SA,
I put 550 hrs on my 503 in a FS2 and the CHT,s rarely hit 300 and like you
rs only in a long full power climb.1100 egt,s and a very light tan plug co
lor.i think the combination of fan cooling and ram air into the fan must
be a factor.
G.Aman Mk-3C Jabiru 2200A 495hrs
Nature always sides with the hidden flaw
-----Original Message-----
From: slowaero <npd@maui.net>
Sent: Sat, Nov 28, 2009 10:34 pm
Subject: Kolb-List: FS II CHT vs EGT
Hello All,
My FSII runs and flies great but CHT seems low. 503 duel carb. Prop is
set so
RPM is right on the money. EGT runs in the recommended range (860 to 1100
degrees F) but CHT hangs between 200 and 300. 330 only after prolonged fu
ll
power climb. Plug electrodes are light brown. CHT gauge checks OK.
Anyone have any thoughts or suggestions?
Thanks very much in advance,
SA
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275247#275247
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Subject: | Saturday grass strip landing |
They mowed their grass, but the dog was loose trying to herd me after I landed.
[Wink]
http://www.youtube.com/watch?v=FmyQW6QWkAw
--------
Cristal Waters
Kolb Mark II Twinstar
Rotax 503 DCSI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275343#275343
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Just wanted to update on the problem. I finally had a chance to run it yesterday
after gapping the plugs to 0.018". It seemed to run a tad smother but did not
help it gain any RPM. Last night I decided to swap carbs from left to right
and try the "three finger test" again. While I had the carbs off I decided to
pull all the jets and again verify the sizes. The sizes were all proper. I used
a magnifying glass to look carefully at each one. I could see light through
each one when I held it up. before reassembling the carbs I took the main jet
and needle jet and gently inserted the needles into each jet just to see how far
they would go up the taper of the needle. One of the Main jets did not go as
far as the other. I gently twisted and heard (more like felt) a subtle snap.
The jet the slid up the needle as far as the other main jet would go. The best
way to describe it is there was a crust build up in side the jet. Prior to this
I did spray the jets out with carb cleaner but now I know that was not enough.
Took it out today and tied it down and got it to run up to 6200 RPM.
Thank you again for all the helpful suggestions.
Ray W.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275345#275345
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Subject: | Re: Saturday grass strip landing |
Smooth. Very smooth.
Richard Pike
MKIII N420P (420ldPoops)
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275347#275347
Message 8
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Subject: | Re: Saturday grass strip landing |
very nice video. Good thing the plane is a pusher (and the dog a herder)
Whenever I saw a dog in a tractor I immediately shut down so he wouldn't try to
bite the prop.
BB
do not archive
On 29, Nov 2009, at 4:16 PM, cristalclear13 wrote:
>
> They mowed their grass, but the dog was loose trying to herd me after I landed.
[Wink]
>
> http://www.youtube.com/watch?v=FmyQW6QWkAw
>
> --------
> Cristal Waters
> Kolb Mark II Twinstar
> Rotax 503 DCSI
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=275343#275343
>
>
>
>
>
>
>
>
>
>
Message 9
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Subject: | Re: Saturday grass strip landing |
Marcus Kolb's collie herding a 8 oz. RC heil right into the hanger.
http://www.youtube.com/watch?v=d7KXFLAxM9w
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275353#275353
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rayw wrote:
> Just wanted to update on the problem. I finally had a chance to run it yesterday
after gapping the plugs to 0.018". It seemed to run a tad smother but did
not help it gain any RPM. Last night I decided to swap carbs from left to right
and try the "three finger test" again. While I had the carbs off I decided to
pull all the jets and again verify the sizes. The sizes were all proper. I used
a magnifying glass to look carefully at each one. I could see light through
each jet when I held it up. before reassembling the carbs I took the main jet
and needle jet and gently inserted the needles into each jet just to see how
far they would go up the taper of the needle. One of the Main jets did not go
as far as the other. I gently twisted and heard (more like felt) a subtle snap.
The jet then slid up the needle as far as the other main jet would go. The
best way to describe it is there was a crust build up in side the jet. Prior to
this I did spray the jets out with carb cleaner but now I know that was not
enough. Took it out today and tied it down and got it to run up to 6200 RPM.
>
>
> Thank you again for all the helpful suggestions.
>
> Ray W.
Yeah! Good for you! Congratulations on finding the problem.
--------
Cristal Waters
Kolb Mark II Twinstar
Rotax 503 DCSI
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=275370#275370
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Subject: | Re: Saturday grass strip landing |
> They mowed their grass, but the dog was loose trying to herd me after I
landed. [Wink]
>
> http://www.youtube.com/watch?v=FmyQW6QWkAw
>
> --------
> Cristal Waters
I like that clip. Beautiful approach through a pine thicket. A nice Kolb
approach, steep and gentle.
I'll be back in the air in a few days. Haven't flown since last July.
john h\mkIII
DO NOT ARCHIVE
Message 12
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Subject: | Re: Relationship Between Static, Climb Out & Cruise RPM |
Question
At 04:46 AM 11/29/09 -0800, you wrote:
>
>When pitch is set properly on slow aircraft one can expect a 5-10%
difference in static and full power level flight rpm. I think anywhere in
this range will probably be good enough for first flight.
>
Richard and Thom,
Thank you for the input. One would think that after flying the FireFly for
ten years I would have known this. But, I have never been comfortable
flying much over 55 mphi with my head sticking out in the air stream. Both
the Rotax 447 and the Victor 1+ would push the FireFly well over 55 mphi at
full throttle.
Did not get the new Tiny Tach installed, and will not for some time as other
activities will keep me away from the airport.
Jack B. Hart FF004
Winchester, IN
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