Today's Message Index:
----------------------
1. 05:24 AM - Gear Box Ratio (Ken Potter)
2. 06:21 AM - Re: Gear Box Ratio (Tom Jones)
3. 09:09 AM - Re: Re: Gear Box Ratio (Lynn Matteson)
4. 09:41 AM - Re: Gear Box Ratio (akflyer)
5. 09:44 AM - Re: Missing Rotax 912S - A concern? (akflyer)
6. 11:22 AM - Re: Re: Missing Rotax 912S - A concern? (Randy Daughenbaugh)
7. 02:03 PM - Re: Re: Missing Rotax 912S - A concern? (KITFOXZ@aol.com)
8. 02:09 PM - Re: Re: Missing Rotax 912S - A concern? (Clint Bazzill)
Message 1
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Hi folks. I am trying to determine the ratio of my Rotax 582 C Box. The serial
number on the front case is 7042. Does anyone know of site with serial number
lookup to determine ratio from the numbers??
Cheers
Ken
--------
Ken Potter
Model II, No. 483
Rotax 582, C-Box,
98% Complete
C-FJKP (marks reserved)
Lanark, Ontario
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=250571#250571
Message 2
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| Subject: | Re: Gear Box Ratio |
Ken, I don't think there is any way to look up the gear ratio. It should be stamped
on the front of the gear box right behind the prop and just above the drain
plug. It will be one of these numbers, 2.62, 3.00, 3.47, or 4.10.
If yours doesn't have the ratio stamped you can count the engine revolutions with
one turn of the prop flange. Look in the intake or pull the plugs and count
the times the piston returns to the starting point with one complete revolution
of the prop flange. Example, if it is less than 3 your ratio is 2.62. More
than 3 and and less than 4, it is 3.47, etc.
--------
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=250578#250578
Message 3
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| Subject: | Re: Gear Box Ratio |
Isn't there an exposed flywheel that you can mark, and thereby get
the exact ratio?
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 687.3 hrs
Sensenich 62"x46" Wood prop
Electroair direct-fire ignition system
Status: flying
do not archive
On Jun 29, 2009, at 9:20 AM, Tom Jones wrote:
>
> Ken, I don't think there is any way to look up the gear ratio. It
> should be stamped on the front of the gear box right behind the
> prop and just above the drain plug. It will be one of these
> numbers, 2.62, 3.00, 3.47, or 4.10.
>
> If yours doesn't have the ratio stamped you can count the engine
> revolutions with one turn of the prop flange. Look in the intake
> or pull the plugs and count the times the piston returns to the
> starting point with one complete revolution of the prop flange.
> Example, if it is less than 3 your ratio is 2.62. More than 3 and
> and less than 4, it is 3.47, etc.
>
> --------
> Tom Jones
> Classic IV
> 503 Rotax, 72 inch Two blade Warp
> Ellensburg, WA
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=250578#250578
>
>
Message 4
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| Subject: | Re: Gear Box Ratio |
Lynn Matteson wrote:
> Isn't there an exposed flywheel that you can mark, and thereby get
> the exact ratio?
>
> Lynn Matteson
> Kitfox IV Speedster, taildragger
> Jabiru 2200, #2062, 687.3 hrs
> Sensenich 62"x46" Wood prop
> Electroair direct-fire ignition system
> Status: flying
> do not archive
>
>
>
> On Jun 29, 2009, at 9:20 AM, Tom Jones wrote:
>
>
> >
> >
> > Ken, I don't think there is any way to look up the gear ratio. It
> > should be stamped on the front of the gear box right behind the
> > prop and just above the drain plug. It will be one of these
> > numbers, 2.62, 3.00, 3.47, or 4.10.
> >
> > If yours doesn't have the ratio stamped you can count the engine
> > revolutions with one turn of the prop flange. Look in the intake
> > or pull the plugs and count the times the piston returns to the
> > starting point with one complete revolution of the prop flange.
> > Example, if it is less than 3 your ratio is 2.62. More than 3 and
> > and less than 4, it is 3.47, etc.
> >
> > --------
> > Tom Jones
> > Classic IV
> > 503 Rotax, 72 inch Two blade Warp
> > Ellensburg, WA
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p 50578#250578
> >
> >
> >
> >
> > Yep, there is a nice big hole in the side of the gear box. Just mark the hardy
joint and count how many times it turns with one prop revolution.
> >
> >
> >
> >
> >
> >
> >
>
--------
DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009
hander outer of humorless darwin awards
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=250618#250618
Message 5
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| Subject: | Re: Missing Rotax 912S - A concern? |
yep, if I went to the airport and found my engine missing it would be cause for
concern.....and time to file a police report. May want to do a new W/B prior
to being towed up too.. may be just a tad on the tail heavy side, but should
thermal alot better 140#s lighter...
Sorry, I just couldn't pass it up.
--------
DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009
hander outer of humorless darwin awards
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=250619#250619
Message 6
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| Subject: | Re: Missing Rotax 912S - A concern? |
Yeah, I know I am a good straight man.
The $55 spark plug caps didn't solve the missing problem. They are not
loose now, but....
What is a good way to check the fuel pump? Remember it only does this at
altitude and at full throttle.
I am also considering that it may be a problem with winter blend gas. The
change over date here is 1 May, and I may have had some winter gas in it.
Randy
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of akflyer
Sent: Monday, June 29, 2009 10:44 AM
Subject: Kitfox-List: Re: Missing Rotax 912S - A concern?
yep, if I went to the airport and found my engine missing it would be cause
for concern.....and time to file a police report. May want to do a new W/B
prior to being towed up too.. may be just a tad on the tail heavy side, but
should thermal alot better 140#s lighter...
Sorry, I just couldn't pass it up.
--------
DO NOT ARCHIVE
Leonard Perry aka SNAKE
Soldotna AK
Avid "C" / Mk IV
582 IVO IFA
Full Lotus 1450
#1 snake oil salesman since 1-22-2009
hander outer of humorless darwin awards
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=250619#250619
Message 7
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| Subject: | Re: Missing Rotax 912S - A concern? |
Hello Randy,
I was doubting your loose spark plug connectors were the problem when I
read it because to actually cause a repeatable miss on that cylinder, both
connectors would have to be loose as a goose and arching enough to affect low
or no spark at the same exact time on both plugs. I am not saying a loose
connector is to be ignored at all, just that by itself, not likely to
cause a constant miss-fire at a certain load and altitude.
I don't yet think you have a fuel pump problem either. While a fuel pump
problem of not delivering full volume and full pressure would manifest
itself at high demand times, a mechanical diaphragm type fuel pump usually does
not fail in that way. They usually leak through the diaphragm and failure
is pretty bad and it won't deliver fuel at much of a pressure or volume and
would be a constant problem at many power settings.
I would like to see you de-pitch your prop a little and repeat your tests.
(I wonder what RPM you are turning when the "miss" occurs) Also, I would
like to hear that you have totally scrutinized your carb mounting boots to
be sure they are not torn or leaking air in any way.
You say the problem goes away when you throttle back a little. Try
leaving the throttle put but lower the nose to decrease loading. Does that solve
the miss?
As for fuel, be sure every path is clear of dirt and If the above test of
lower pitch on the prop doesn't solve it and your carb mounts are squared
away, try en richening your carb needles one level.
John
In a message dated 6/29/2009 2:23:09 P.M. Eastern Daylight Time,
rjdaugh@rapidnet.com writes:
Yeah, I know I am a good straight man.
The $55 spark plug caps didn't solve the missing problem. They are not
loose now, but....
What is a good way to check the fuel pump? Remember it only does this at
altitude and at full throttle.
I am also considering that it may be a problem with winter blend gas. The
change over date here is 1 May, and I may have had some winter gas in it.
Randy
**************A Good Credit Score is 700 or Above. See yours in just 2 easy
steps!
JunestepsfooterNO62)
Message 8
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| Subject: | Re: Missing Rotax 912S - A concern? |
Randy=2C
]
I don't know what your miss is but have a story. I have a 912ULS=2C maybe
the first Kitfox to have one. I installed it in 1999=2C my first real cros
s country was to Wis=2C Minn from San Carlos airport near San Fransisco. O
n the way back landed at Leadville.
I had a engine miss=2C usually at a higher elevation. It could be taken ca
re of by proper adjustment of manifold pressure=2C and prop pitch (IVO). I
had a small amound of carbon on older type landing gear=2C it looked like
a rich mixture of the engine. It was so new that didn't want to change any
thing.
When I got back home=2C dropped the main jet needle one notch. Ran perfect
and miss never came back. 1000 hours on engine since then.
Clint
> From: rjdaugh@rapidnet.com
> To: kitfox-list@matronics.com
> Subject: RE: Kitfox-List: Re: Missing Rotax 912S - A concern?
> Date: Mon=2C 29 Jun 2009 12:18:03 -0600
>
.com>
>
> Yeah=2C I know I am a good straight man.
>
> The $55 spark plug caps didn't solve the missing problem. They are not
> loose now=2C but....
>
> What is a good way to check the fuel pump? Remember it only does this at
> altitude and at full throttle.
>
> I am also considering that it may be a problem with winter blend gas. The
> change over date here is 1 May=2C and I may have had some winter gas in i
t.
>
> Randy
>
>
>
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of akflyer
> Sent: Monday=2C June 29=2C 2009 10:44 AM
> To: kitfox-list@matronics.com
> Subject: Kitfox-List: Re: Missing Rotax 912S - A concern?
>
>
> yep=2C if I went to the airport and found my engine missing it would be c
ause
> for concern.....and time to file a police report. May want to do a new W/
B
> prior to being towed up too.. may be just a tad on the tail heavy side=2C
but
> should thermal alot better 140#s lighter...
>
> Sorry=2C I just couldn't pass it up.
>
> --------
> DO NOT ARCHIVE
> Leonard Perry aka SNAKE
> Soldotna AK
> Avid "=3BC"=3B / Mk IV
> 582 IVO IFA
> Full Lotus 1450
> #1 snake oil salesman since 1-22-2009
>
> hander outer of humorless darwin awards
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=250619#250619
>
>
>
>
>
>
>
>
>
>
>
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