Today's Message Index:
----------------------
1. 12:38 AM - Re: Need wings for a Kitfox IV -1050 (Dave G.)
2. 04:49 AM - 912UL starting problems. (davyken@comcast.net)
3. 05:41 AM - Re: Flap Creep (crazyivan)
4. 07:55 AM - Re: Flap Creep (Guy Buchanan)
5. 07:55 AM - Re: Need wings for a Kitfox IV -1050 (Guy Buchanan)
6. 08:19 AM - Re: Need wings for a Kitfox IV -1050 (akflyer)
7. 08:32 AM - Re: Re: Flap Creep (Lynn Matteson)
8. 08:55 AM - Re: GPS (jeff puls)
9. 10:52 AM - Re: GPS (wingnut)
10. 01:01 PM - Re: Re: Flap Creep (RAY Gignac)
11. 05:40 PM - Re: Need wings for a Kitfox IV -1050 (Marwynne Kuhn)
12. 07:15 PM - Re: Need wings for a Kitfox IV -1050 (ron schick)
Message 1
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| Subject: | Re: Need wings for a Kitfox IV -1050 |
There is a company making replacement carb boots who claim to have a
much superior product. The link is here.
http://www.geocities.com/chinooktips/ROTAX.html
Dave Goddard- Mod IV 1050/582
do not archive
----- Original Message -----
From: Marwynne Kuhn
To: Kitfox-List@Matronics. Com
Sent: Saturday, May 12, 2007 11:30 PM
Subject: Kitfox-List: Need wings for a Kitfox IV -1050
I had a off field landing with my Kitfox IV-1050 about two weeks
ago. I just pulled the covering off and found the front spars on both
wings damaged. I am looking for some wings for my bird. I have found
a set of wings from a Model III Kitfox. I don't know if they will
work!
If anyone knows of a set of wing kit that was purchased that was not
completed or partial complete for sale please let me know.
Just so incite in to my off field landing. The cause of the problem
was the rubber boot that holds the carburetor . This boot split while
I was taking off. I was at 500 feet and didn't have room to turn
around and land at the airport.
I think if Rotax would put cloth or Kevlar mesh in the rubber boot
this off field landing would have been prevented. The rubber split and
I lost all vacuum and the engine quit. The boots had been inspected
at the last annual . There was evidence of a problem at that time.
If any of you know of some wings for sale , please email me.
Marwynne Kuhn
Marwynne@verizon.net
Thanks
Message 2
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| Subject: | 912UL starting problems. |
Hi Paul,
I've just spent a lot of time and money working through exactly that issue. I
felt I was almost done with my Kitfox and then spent five years traveling full
time for work. My 912 sat and waited for me. When I had time to work on the
plane again I came to the point where I was ready to start it up and had exactly
the same condition you have. I proved I had spark and the plugs were wet.
The engine would crank but wouldn't fire up.
I got several pieces of good advice from several sources.
The Sport Pilot articles by Phil Lockwood on the perfect 912 installation are available
on line at the EAA web site. Look for the "Power On" column. He had
some good advice making sure I had the right mixture.
"You need three things to get your engine to start. It must crank at a minimum
speed of 240 rpm. If all is not well with the battery, electrical connections,
and wire sizing, you will not achieve this speed. A fully charged battery will
have 12.6 volts or more. You must make sure your ignition circuits are wired
properly. Remember, the 912 ignition is a failsafe unit that is self-powered.
You must ground out the two kill switch wires to shut it off, but if they are
wired backward, then it will be shut off while you are trying to start. You must
have the correct amount of fuel. If the air temperature is below 50 degrees
Fahrenheit, your choke will need to be functioning properly, and you must use
the correct procedure, which includes having the throttle at idle until the
engine starts. If you crack the throttle as you are trying to start, the enrichening
circuit (choke) will not work well. The throttle butterfly in each carburetor
must be almost all the way closed to draw enou
gh ext
ra fuel for a cold start. The idle and main jets, in both carburetors, must be
clean and clear of obstructions."
I also received some good advice from the list about the choke pull. The springs
on the 912 choke hold a lot of tension and the knob provided by Skystar is
somewhat on the small side. I drilled a hole through the knob and put a key ring
through it to make sure I was getting the full travel on the cable pull.
The final thing that made a big difference was rebuilding the carbs. I had a mechanic
with a good reputation for Rotax engines disassemble them. He found that
some of the rubber had dry rotted from sitting so long. He also sent me replacement
mounting flanges and o-rings for the manifold.
Once I reassembled everything, I got a good start. My 912 runs great now and I'm
getting the plane ready for it's inspection.
Hope this helps,
Ken Davy
N1701S Classic IV / 912
Time: 08:38:41 AM PST US
From: "Paul" <ppeerenbo@charter.net>
Subject: Kitfox-List: 912UL starting problems.
Looking for input on 912 that I can't get started. It was off the airframe
for a year geting a new mount. The ignition system is what I could use the
input on. I have wet plugs. I have checked the ignition switiches, ohmed the
triger coils (3.4). I can't find other checks on the boxes. It has not poped
once. It's turning over fast and I did jump it also.
Paul N102DG
<html><body>
<DIV>Hi Paul,</DIV>
<DIV> </DIV>
<DIV>I've just spent a lot of time and money working through exactly that issue.
I felt I was almost done with my Kitfox and then spent five years traveling
full time for work. My 912 sat and waited for me. When I had
time to work on the plane again I came to the point where I was ready to start
it up and had exactly the same condition you have. I proved I had spark
and the plugs were wet. The engine would crank but wouldn't fire up.</DIV>
<DIV> </DIV>
<DIV>I got several pieces of good advice from several sources.</DIV>
<DIV> </DIV>
<DIV>The Sport Pilot articles by Phil Lockwood on the perfect 912 installation
are available on line at the EAA web site. Look for the "Power On" column.
He had some good advice making sure I had the right mixture.</DIV>
<DIV><FONT face=StoneSerif size=1></FONT> </DIV>
<DIV><FONT size=4><FONT face=StoneSerif>"You need three things to get your engine
to start. It must crank at a minimum speed of 240 rpm. If all is not well with
the battery, electrical connections, and wire sizing, you will not achieve
this speed. A fully charged battery will have 12.6 volts or more. You must make
sure your ignition circuits are wired properly. Remember, the 912 ignition
is a failsafe unit that is self-powered. You must ground out the two kill switch
wires to shut it off, but if they are wired backward, then it will be shut
off while you are trying to start. You must have the </FONT><I><FONT face=StoneSerif-Italic>correct
</I></FONT></FONT><FONT face=StoneSerif size=4>amount of
fuel. If the air temperature is below 50 degrees Fahrenheit, your choke will
need to be functioning properly, and you must use the correct procedure, which
includes having the throttle at idle until the engine starts. If you crack the
throttle as you are trying to start, the enrichenin
g circ
uit (choke) will not work well. The throttle butterfly in each carburetor must
be almost all the way closed to draw enough extra fuel for a cold start. The idle
and main jets, in both carburetors, must be clean and clear of obstructions."</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>I also received some good advice from the list about the choke
pull. The springs on the 912 choke hold a lot of tension and the knob
provided by Skystar is somewhat on the small side. I drilled a hole through
the knob and put a key ring through it to make sure I was getting the full
travel on the cable pull. </FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>The final thing that made a big difference was rebuilding the
carbs. I had a mechanic with a good reputation for Rotax engines disassemble
them. He found that some of the rubber had dry rotted from sitting
so long. He also sent me replacement mounting flanges and o-rings for the
manifold.</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>Once I reassembled everything, I got a good start. My 912
runs great now and I'm getting the plane ready for it's inspection.</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>Hope this helps,</FONT></DIV>
<DIV><FONT size=4>Ken Davy</FONT></DIV>
<DIV><FONT size=4>N1701S Classic IV / 912</FONT></DIV>
<P align=left><FONT face=StoneSerif size=1> </P></FONT>
<DIV> </DIV>
<DIV>Time: 08:38:41 AM PST US<BR>From: "Paul" <<A onclick="return doCompose(this);" href="http://mailcenter2.comcast.net/wmc/v/wm/4646F38A000BB4BC000034BA2207022933020A0597900E0B?cmd=ComposeTo&adr=ppeerenbo%40charter%2Enet&sid=c0">ppeerenbo@charter.net</A>><BR>Subject: Kitfox-List: 912UL starting problems.<BR><BR><BR>Looking for input on 912 that I can't get started. It was off the airframe <BR>for a year geting a new mount. The ignition system is what I could use the <BR>input on. I have wet plugs. I have checked the ignition switiches, ohmed the <BR>triger coils (3.4). I can't find other checks on the boxes. It has not poped <BR>once. It's turning over fast and I did jump it also.<BR><BR><BR>Paul N102DG<BR></DIV>
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre></body></html>
Message 3
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Lynn - I didn't build it but the builder did provide the wood jig. I'll tighten
up on the friction nut a little (after I find it) and check the alignment.
Thanks.
Wingnut - I have a little pitch trim change when I push the handle back down.
My problem is that my handle creeps a few inches. It makes me nervous when I
am cruising at 115mph and see the flaps at 5 degrees. I think, though, that the
flaps are actually at zero because I can feel no air load on the flap handle
at this position. Lynn's suggestion to check the flap position with the jig
should confirm this.
--------
Dave
Speedster 912 UL
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=112562#112562
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At 05:03 PM 5/12/2007, you wrote:
>On my Model IV Speedster, when I put my flaps at zero and work the
>ailreons back and forth they will creep to the first notch (5
>deg). When flying I'll manually push the flap handle to zero and I
>can feel the aerodynamic forces try to push them to the first notch.
On the IV and later the aileron system is designed with a
lot of differential, which in practical terms means the ailerons move
up more than down. This was done to reduce adverse yaw. What it means
to your flap system is that anytime you work the ailerons there is
more force on the up moving aileron than down so that your flap
system will tend to creep down. I would just tighten the friction
system or replace it with a true "notch" system; a fairly simply modification.
On a related topic I've done a lot of work trying to
quantify speed changes over -5 to +5 degrees flaps and have been
unable to do so. I know there is some difference, but on my plane,
(IV-1200,) it is small. (And I do have a pitch trim tab on the elevator.)
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
Message 5
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| Subject: | Re: Need wings for a Kitfox IV -1050 |
At 07:30 PM 5/12/2007, you wrote:
>I had a off field landing with my Kitfox IV-1050 about two weeks
>ago. I just pulled the covering off and found the front spars on
>both wings damaged. I am looking for some wings for my bird. I
>have found a set of wings from a Model III Kitfox. I don't know if
>they will work!
Marwynne,
Sorry to hear about your adventure. I'm glad you came
through it. It's a good reminder to me to replace the boots at
annual. (Annual is getting more and more expensive.)
Several on the list have replaced spars on wings so if your
ribs aren't damaged you might try that. John McBean at Kitfox LLC has
replacement spars. The III and IV wings are quite different, though I
can't say whether a III wing would actually fit on a IV. (The IV has
a nearly flat-bottomed airfoil, whereas the III is highly cambered.)
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
Message 6
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| Subject: | Re: Need wings for a Kitfox IV -1050 |
http://www.southernaviationllc.com/AvidKitfoxWingKits.html
I will probably save you quite a bit of money if you call these guys. I think
the 14 gallon wing tanks are around 220.00..... Close to half price of other suppliers.
--------
Leonard Perry
Soldotna AK
Avid "C" / Mk IV
582 IVO IFA
Full Lotus 1260
95% complete
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=112594#112594
Message 7
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It's right under the front of the seat, slightly right of aircraft
center. I looks like a large washer that's been welded to the
structure, has a 1/4" bolt with castle nut and cotter pin.
Lynn
On May 13, 2007, at 8:40 AM, crazyivan wrote:
>
> Lynn - I didn't build it but the builder did provide the wood jig.
> I'll tighten up on the friction nut a little (after I find it) and
> check the alignment. Thanks.
>
> Wingnut - I have a little pitch trim change when I push the handle
> back down. My problem is that my handle creeps a few inches. It
> makes me nervous when I am cruising at 115mph and see the flaps at
> 5 degrees. I think, though, that the flaps are actually at zero
> because I can feel no air load on the flap handle at this
> position. Lynn's suggestion to check the flap position with the
> jig should confirm this.
>
> --------
> Dave
> Speedster 912 UL
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=112562#112562
>
>
Message 8
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You may want to check with Garmin. They may not support that unit anymore. I
found that out the other day with my 190. Jeff Classic IV Columbus, Ohio
----- Original Message -----
From: "fox5flyer" <fox5flyer@idealwifi.net>
Sent: Thursday, May 10, 2007 7:34 AM
Subject: Re: Kitfox-List: GPS
>
> The Garmin 196 is a good bang for your buck. If you buy from someone who
> is
> upgrading you can get a pretty good deal.
> Deke Morisse
> N148DM
> S5/Soob/CAP
> NE Michigan
>
> ----- Original Message -----
> From: "wannafly" <wannaflyfox4@hotmail.com>
> To: <kitfox-list@matronics.com>
> Sent: Wednesday, May 09, 2007 8:55 PM
> Subject: Kitfox-List: GPS
>
>
>>
>>
>> I am looking at getting a GPS for my Fox. What are your recomendations? I
> have been looking at the AirMap 2000C. Does anyone have one and what do
> you
> think.
>> You can contact me off line if you like at wannaflyfox4@hotmail.com
>>
>> Mic Thiessen
>> Fox IV Speedster
>> C-FOXX
>> Subaru EA81
>> Canada
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=111961#111961
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
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Garmin still lists the 196 on their web site. I'd say that this is a good sign.
I know a couple of pilots that still prefer the 196's monochrome display over
the fancier X96 cousins for readability in sunlight.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=112615#112615
Message 10
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This may or may not help! John King designed a flap attach system that will
hold your settings in place, and will not allow them to creep. The old
system used leather as a way to provide friction, but that wears out no
matter how tight you make it! If you want to talk to me about this email,
call me at 301-520-3171 anytime.
Ray
>From: Lynn Matteson <lynnmatt@jps.net>
>To: kitfox-list@matronics.com
>Subject: Re: Kitfox-List: Re: Flap Creep
>Date: Sun, 13 May 2007 11:34:52 -0400
>
>
>It's right under the front of the seat, slightly right of aircraft center.
>I looks like a large washer that's been welded to the structure, has a
>1/4" bolt with castle nut and cotter pin.
>
>Lynn
>
>On May 13, 2007, at 8:40 AM, crazyivan wrote:
>
>>
>>Lynn - I didn't build it but the builder did provide the wood jig. I'll
>>tighten up on the friction nut a little (after I find it) and check the
>>alignment. Thanks.
>>
>>Wingnut - I have a little pitch trim change when I push the handle back
>>down. My problem is that my handle creeps a few inches. It makes me
>>nervous when I am cruising at 115mph and see the flaps at 5 degrees. I
>>think, though, that the flaps are actually at zero because I can feel no
>>air load on the flap handle at this position. Lynn's suggestion to check
>>the flap position with the jig should confirm this.
>>
>>--------
>>Dave
>>Speedster 912 UL
>>
>>
>>
>>
>>Read this topic online here:
>>
>>http://forums.matronics.com/viewtopic.php?p=112562#112562
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
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Message 11
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| Subject: | Re: Need wings for a Kitfox IV -1050 |
Thanks for your reply Guy.
I am looking at all the alternatives now. I took one wing apart today.
I will need the front spar and 3 ribs and a couple of braces.
See ya later
Marwynne
----- Original Message -----
From: Guy Buchanan
To: kitfox-list@matronics.com
Sent: Sunday, May 13, 2007 9:51 AM
Subject: Re: Kitfox-List: Need wings for a Kitfox IV -1050
At 07:30 PM 5/12/2007, you wrote:
I had a off field landing with my Kitfox IV-1050 about two weeks
ago. I just pulled the covering off and found the front spars on both
wings damaged. I am looking for some wings for my bird. I have found
a set of wings from a Model III Kitfox. I don't know if they will
work!
Marwynne,
Sorry to hear about your adventure. I'm glad you came through
it. It's a good reminder to me to replace the boots at annual. (Annual
is getting more and more expensive.)
Several on the list have replaced spars on wings so if your
ribs aren't damaged you might try that. John McBean at Kitfox LLC has
replacement spars. The III and IV wings are quite different, though I
can't say whether a III wing would actually fit on a IV. (The IV has a
nearly flat-bottomed airfoil, whereas the III is highly cambered.)
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.
Message 12
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| Subject: | Need wings for a Kitfox IV -1050 |
It seems as though one of our members had a set listed on Barnstormers.com a
while ago.
Ron NB Ore KF IV
>From: "Marwynne Kuhn" <marwynne@verizon.net>
>To: "Kitfox-List@Matronics. Com" <kitfox-list@matronics.com>
>Subject: Kitfox-List: Need wings for a Kitfox IV -1050
>Date: Sat, 12 May 2007 21:30:53 -0500
>
>I had a off field landing with my Kitfox IV-1050 about two weeks ago. I
>just pulled the covering off and found the front spars on both wings
>damaged. I am looking for some wings for my bird. I have found a set of
>wings from a Model III Kitfox. I don't know if they will work!
>
>If anyone knows of a set of wing kit that was purchased that was not
>completed or partial complete for sale please let me know.
>
>Just so incite in to my off field landing. The cause of the problem was
>the rubber boot that holds the carburetor . This boot split while I was
>taking off. I was at 500 feet and didn't have room to turn around and
>land at the airport.
>
>I think if Rotax would put cloth or Kevlar mesh in the rubber boot
>this off field landing would have been prevented. The rubber split and I
>lost all vacuum and the engine quit. The boots had been inspected at
>the last annual . There was evidence of a problem at that time.
>
>
>If any of you know of some wings for sale , please email me.
>
>
>Marwynne Kuhn
>
>Marwynne@verizon.net
>
>Thanks
>
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