Today's Message Index:
----------------------
1. 06:22 AM - King Fox tires (Harold McConnell)
2. 06:36 AM - Re: Brain Picking Engine 912 (Catz631@aol.com)
3. 07:08 AM - Re: King Fox tires (Bill Malpass)
4. 08:31 AM - Re: Brain Picking Engine 912 (kerrjohna@comcast.net)
5. 08:55 AM - Re: Brain Picking Engine 912 (Lyle Persels)
6. 09:26 AM - Re: Brain Picking Engine 912 (Vic Baker)
7. 12:12 PM - Re: King Fox tires (Lynn Matteson)
8. 12:47 PM - Re: King Fox tires (Dave)
9. 12:58 PM - Re: King Fox tires (infow)
10. 01:35 PM - Re: King Fox tires (Dave)
11. 04:12 PM - Re: King Fox tires (Dwight Purdy)
12. 04:36 PM - Re: Brain Picking Engine 912 (Glenn Horne)
13. 06:46 PM - Re: Brain Picking Engine 912 (Bill)
14. 09:04 PM - Re: Brain Picking Engine 912 (Lowell Fitt)
15. 09:14 PM - Re: King Fox tires (Lowell Fitt)
16. 10:32 PM - Brain Picking Engine 912 (Lowell Fitt) (John Allen)
Message 1
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Is anyone else out there in Kitfox Land having trouble with a slow leak of
their King Fox tires?- Both of my tires have shown a slow leak over time
and on investigation, they are both leaking at the small protrusions of rub
ber where I suspect the rubber was injected into the tire mold.- I just c
hecked one yesterday and found one leak on one side of the tire and two lea
ks on the other side.- Just wondering if anyone else has noticed this on
their tires.=0A-=0AHarold McConnell=0ANE North Dakota=0AKitfox 3=0A582
Message 2
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| Subject: | Re: Brain Picking Engine 912 |
I had the same thing happen to me Lowell. I had just bought the aircraft
and my first 3 landings were all dead stick as the engine quit cold turkey on
short final. No way you will catch it with the throttle as it stops too
quickly.
Set your idle at 1800 on the ground and it will give you a few hundred
more rpm on short final. That most likely will solve your problem. I haven't
had mine stop on me since.
During shutdown you can pull the throttle back a little further against
the stop (below 1800) go to one mag,then the other,then off .
In my case I have to go below 1800 on shutdown or my engine will flip the
prop in reverse for about 3 rounds. Then I have to do the valve tappet
clearance check to make sure I haven't ingested any air in the hydraulic
lifters (as the engine rotated backwards) What a pain that is ! But you won't
have that problem as I am the only one in the country that does,it seems.
Take care !
Dick Maddux
Fox 4
Milton,Fl
Message 3
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| Subject: | Re: King Fox tires |
Yes, I run 16 x 6.50 x 8 smooth tread tires by HI-RUN (I'm sure chinese
made). These are ATV or tractor tires which I get for around 40 bucks.
They are made just like what you are talking about (the raised mold
bead). Just enough of a imperfection to make them leak. Sometimes I
get lucky and one wont leak down for a couple months but normally I have
to take the wheel pants off and pump back up to the 10 pounds that I
use.
I am solving the problem by putting tubes in the tires as I once did
before and I will get rid of the issue. If you put tubes in, make sure
you get the tubes that have the TR-6 type stem. This has the locking
nut to keep the tube in place if the tire rotates on the rim, which it
can do.
Good luck.............Kitfox Bill
----- Original Message -----
From: Harold McConnell
To: Kitfox-List Digest Server
Sent: Friday, January 18, 2013 9:22 AM
Subject: Kitfox-List: King Fox tires
Is anyone else out there in Kitfox Land having trouble with a slow
leak of their King Fox tires? Both of my tires have shown a slow leak
over time and on investigation, they are both leaking at the small
protrusions of rubber where I suspect the rubber was injected into the
tire mold. I just checked one yesterday and found one leak on one side
of the tire and two leaks on the other side. Just wondering if anyone
else has noticed this on their tires.
Harold McConnell
NE North Dakota
Kitfox 3
582
Message 4
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| Subject: | Re: Brain Picking Engine 912 |
Lowell,=C2- my sense is that the problem is related to fuel pump/idle mix
ture resulting in flooding at low rpm which is supported by the difficulty
in hot restart.
John Kerr
Learning more every day about the nuances of thes 912.
----- Original Message -----
From: Catz631@aol.com
Sent: Friday, January 18, 2013 7:36:20 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
I had the same thing happen to me Lowell. I had just bought the aircraft an
d my first 3 landings were all dead stick as the engine quit cold turkey on
short final. No way you will catch it with the throttle as it stops too qu
ickly.
=C2-Set your idle at 1800 on the ground and it will give you a few hundre
d more rpm on short final. That most likely will solve your problem. I have
n't had mine stop on me since.
=C2-During shutdown you can pull the throttle back a little further again
st the stop=C2-(below 1800) go to one mag,then the other,then off .
=C2-In my case I have to go below 1800 on shutdown or my engine will flip
the prop in reverse for about 3 rounds. Then=C2-I have to=C2-do the va
lve tappet clearance check to make sure I haven't ingested any air in the h
ydraulic lifters (as the engine rotated backwards) What a pain that is ! Bu
t you won't have that problem as I am the only one in the country that does
,it seems.=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2- Take care !
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2- Dick Maddux
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-Fox 4
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2
-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-=C2-
=====
==
Message 5
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| Subject: | Re: Brain Picking Engine 912 |
John and Lowell, I'm having similar problems (with my 912s) and am quite
sure it relates to low rpm flooding. Another manifestation is extreme
difficulty getting a smooth idle. When I shut down the engine and
immediately pull the carb bowls, the fuel level in the bowls is near the
top instead of about one-half inch below the top as it should be. The
vibration, of course, causes fuel to flow out of the carb vent vent tube
outlet. I haven't tried installing the carb float valve with the
stronger spring. This will be my next step. Any other thoughts?
Lyle Persels
On Jan 18, 2013, at 10:30 AM, kerrjohna@comcast.net wrote:
> Lowell, my sense is that the problem is related to fuel pump/idle
mixture resulting in flooding at low rpm which is supported by the
difficulty in hot restart.
>
> John Kerr
> Learning more every day about the nuances of thes 912.
>
>
>
>
> From: Catz631@aol.com
> To: kitfox-list@matronics.com
> Sent: Friday, January 18, 2013 7:36:20 AM
> Subject: Re: Kitfox-List: Brain Picking Engine 912
>
> I had the same thing happen to me Lowell. I had just bought the
aircraft and my first 3 landings were all dead stick as the engine quit
cold turkey on short final. No way you will catch it with the throttle
as it stops too quickly.
> Set your idle at 1800 on the ground and it will give you a few
hundred more rpm on short final. That most likely will solve your
problem. I haven't had mine stop on me since.
> During shutdown you can pull the throttle back a little further
against the stop (below 1800) go to one mag,then the other,then off .
> In my case I have to go below 1800 on shutdown or my engine will flip
the prop in reverse for about 3 rounds. Then I have to do the valve
tappet clearance check to make sure I haven't ingested any air in the
hydraulic lifters (as the engine rotated backwards) What a pain that is
! But you won't have that problem as I am the only one in the country
that does,it seems.
> Take care !
> Dick Maddux
> Fox 4
> Milton,Fl
>
>
>
>
>
>
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
>
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
>
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
>
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
>
>
Message 6
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| Subject: | Re: Brain Picking Engine 912 |
As long as we're at it, what do you do about kickback while trying to
start? Especially in the winter. I've tried all sorts of start
procedures and have installed the "soft start" module. The module
seemed to help but the problem is still there. Any thoughts guys?
Vic
KF7 912ULS Warp
Carson City, Nv
----- Original Message -----
From: Lyle Persels
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 8:54 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
John and Lowell, I'm having similar problems (with my 912s) and am
quite sure it relates to low rpm flooding. Another manifestation is
extreme difficulty getting a smooth idle. When I shut down the engine
and immediately pull the carb bowls, the fuel level in the bowls is near
the top instead of about one-half inch below the top as it should be.
The vibration, of course, causes fuel to flow out of the carb vent vent
tube outlet. I haven't tried installing the carb float valve with the
stronger spring. This will be my next step. Any other thoughts?
Lyle Persels
On Jan 18, 2013, at 10:30 AM, kerrjohna@comcast.net wrote:
Lowell, my sense is that the problem is related to fuel pump/idle
mixture resulting in flooding at low rpm which is supported by the
difficulty in hot restart.
John Kerr
Learning more every day about the nuances of thes 912.
-------------------------------------------------------------------------
---
From: Catz631@aol.com
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 7:36:20 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
I had the same thing happen to me Lowell. I had just bought the
aircraft and my first 3 landings were all dead stick as the engine quit
cold turkey on short final. No way you will catch it with the throttle
as it stops too quickly.
Set your idle at 1800 on the ground and it will give you a few
hundred more rpm on short final. That most likely will solve your
problem. I haven't had mine stop on me since.
During shutdown you can pull the throttle back a little further
against the stop (below 1800) go to one mag,then the other,then off .
In my case I have to go below 1800 on shutdown or my engine will
flip the prop in reverse for about 3 rounds. Then I have to do the valve
tappet clearance check to make sure I haven't ingested any air in the
hydraulic lifters (as the engine rotated backwards) What a pain that is
! But you won't have that problem as I am the only one in the country
that does,it seems.
Take care !
Dick
Maddux
Fox 4
Milton,Fl
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
href="3D"http://www.matronics.com/Navigator?Kitfox-List"">http://www.ma
tronics.com/Navigator?Kitfox-List
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
href="3D"http://forums.matronics.com"">http://forums.matronics.com
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D
href="3D"http://www.matronics.com/contribution"">http://www.matronics.c
om/contribution
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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3D
Message 7
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| Subject: | Re: King Fox tires |
Speaking of removing the wheel pants to access the valve stem, I
solved that problem by cutting an approx. 1-3/4" hole into the side
of the pants, that I later plugged with a proper-sized plastic
plug...a flat one. Then all I have to do is remove the plug, push the
plane back or forth until the valve stem lines up with the hole. Then
I use three stainless steel valve stem extensions that I had put
together (these go into the tool box in the plane when done), and use
this tool to screw onto the stem, giving me pretty instant access to
checking pressures or adding air.
One of these days, I may even paint the plug.... : )
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062
Prince prop 64 x 30, P-tip
Electroair direct-fire ignition system
Rotec TBI-40 injection (sleeved to 36mm)
Status: flying with 1412 hrs... (since 3-27-2006)
On Jan 18, 2013, at 10:07 AM, Bill Malpass wrote:
> Yes, I run 16 x 6.50 x 8 smooth tread tires by HI-RUN (I'm sure
> chinese made). These are ATV or tractor tires which I get for
> around 40 bucks. They are made just like what you are talking
> about (the raised mold bead). Just enough of a imperfection to
> make them leak. Sometimes I get lucky and one wont leak down for a
> couple months but normally I have to take the wheel pants off and
> pump back up to the 10 pounds that I use.
>
> I am solving the problem by putting tubes in the tires as I once
> did before and I will get rid of the issue. If you put tubes in,
> make sure you get the tubes that have the TR-6 type stem. This has
> the locking nut to keep the tube in place if the tire rotates on
> the rim, which it can do.
>
> Good luck.............Kitfox Bill
> ----- Original Message -----
> From: Harold McConnell
> To: Kitfox-List Digest Server
> Sent: Friday, January 18, 2013 9:22 AM
> Subject: Kitfox-List: King Fox tires
>
> Is anyone else out there in Kitfox Land having trouble with a slow
> leak of their King Fox tires? Both of my tires have shown a slow
> leak over time and on investigation, they are both leaking at the
> small protrusions of rubber where I suspect the rubber was injected
> into the tire mold. I just checked one yesterday and found one
> leak on one side of the tire and two leaks on the other side. Just
> wondering if anyone else has noticed this on their tires.
>
> Harold McConnell
> NE North Dakota
> Kitfox 3
> 582
> href="http://www.matronics.com/Navigator?Kitfox-List">http://
> www.matronhref="http://forums.matronics.com">http://
> forums.matronics.comhref="http://www.matronics.com/
> contribution">http://www.matronics.com/c_-
> ============================================================ _-
> ============================================================ _-
> ============================================================ _-
> contribution_-
> ===========================================================
Message 8
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| Subject: | Re: King Fox tires |
no problems mine had the same air in them for 6 year about.
I had one plane here that had a rim leak once.
broke the bead and put on some more tire goop
never leaked since
I bought a truck load of these tires and sold most of them. not selling
any more though
there are a few places on line to get them,
Tube might help but I never needed yet. They might just add to the
issues --something else to leak.
If you seen my movies you know I kick the crap outta them
https://www.youtube.com/watch?v=mVqBV809krY
----- Original Message -----
From: Harold McConnell
To: Kitfox-List Digest Server
Sent: Friday, January 18, 2013 9:22 AM
Subject: Kitfox-List: King Fox tires
Is anyone else out there in Kitfox Land having trouble with a slow
leak of their King Fox tires? Both of my tires have shown a slow leak
over time and on investigation, they are both leaking at the small
protrusions of rubber where I suspect the rubber was injected into the
tire mold. I just checked one yesterday and found one leak on one side
of the tire and two leaks on the other side. Just wondering if anyone
else has noticed this on their tires.
Harold McConnell
NE North Dakota
Kitfox 3
582
Message 9
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| Subject: | Re: King Fox tires |
Where online do you get the tires?
Ron
:--)> no problems mine had the same air in them for 6
:--)> year about.
:--)>
:--)> I had one plane here that had a rim leak
:--)> once.
:--)> broke the bead and put on some more tire
:--)> goop
:--)>
:--)> never leaked since
:--)> I bought a truck load of these tires and sold most of them. not selling
any more
:--)> though there are a few places on line to get them,
:--)> Tube might help but I never needed yet. They might just add to the issues
--
:--)> something else to leak. If you seen my movies you know I kick the crap
outta them
:--)> https://www.youtube.com/watch?v=mVqBV809krY
:--)>
:--)>:--)>
:--)>:--)> ----- Original Message -----
:--)> From:
:--)>:--)> Harold McConnell
:--)>:--)>
:--)> To: Kitfox-List Digest Server
:--)> Sent: Friday, January 18, 2013 9:22
:--)>:--)> AM
:--)> Subject: Kitfox-List: King Fox
:--)>:--)> tires
:--)>:--)>
:--)>:--)>
:--)>:--)> Is anyone else out there in Kitfox Land having trouble with a slow leak
of
:--)>:--)> their King Fox tires? Both of my tires have shown a slow leak over
time and
:--)>:--)> on investigation, they are both leaking at the small protrusions of
rubber
:--)>:--)> where I suspect the rubber was injected into the tire mold. I just
checked
:--)>:--)> one yesterday and found one leak on one side of the tire and two leaks
on the
:--)>:--)> other side. Just wondering if anyone else has noticed this on their
tires.
:--)>:--)>
:--)>
:--)> Harold McConnell
:--)> NE North Dakota
:--)> Kitfox 3
:--)> 582
:--)>
:--)>
:--)>:--)> href="http://www.matronics.com/Navigator?Kitfox-
:--)>:--)>
List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
:--)>:--)> href="http://www.matronics.com/contribution">http://www.matronics.com/c
:--)>:--)>
:--)>
:--)> Kitfox-List Email Forum -
:--)> MATRONICS WEB FORUMS -
:--)> http://www.matronics.com/contribution
Message 10
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| Subject: | Re: King Fox tires |
http://www.tiresunlimited.com/images/nankang_atv/NK%20N800.jpg
http://www.tiresunlimited.com/nankang_atv_tires.htm
used to be 30$
wow is rubber up in value ?
----- Original Message -----
From: "infow" <infow@shaw.ca>
Sent: Friday, January 18, 2013 3:58 PM
Subject: Re: Kitfox-List: King Fox tires
>
> Where online do you get the tires?
> Ron
>
> :--)> no problems mine had the same air in them for 6
> :--)> year about.
> :--)>
> :--)> I had one plane here that had a rim leak
> :--)> once.
> :--)> broke the bead and put on some more tire
> :--)> goop
> :--)>
> :--)> never leaked since
> :--)> I bought a truck load of these tires and sold most of them. not
> selling any more
> :--)> though there are a few places on line to get them,
> :--)> Tube might help but I never needed yet. They might just add to the
> issues --
> :--)> something else to leak. If you seen my movies you know I kick the
> crap outta them
> :--)> https://www.youtube.com/watch?v=mVqBV809krY
> :--)>
> :--)>:--)>
> :--)>:--)> ----- Original Message -----
> :--)> From:
> :--)>:--)> Harold McConnell
> :--)>:--)>
> :--)> To: Kitfox-List Digest Server
> :--)> Sent: Friday, January 18, 2013 9:22
> :--)>:--)> AM
> :--)> Subject: Kitfox-List: King Fox
> :--)>:--)> tires
> :--)>:--)>
> :--)>:--)>
> :--)>:--)> Is anyone else out there in Kitfox Land having trouble with a
> slow leak of
> :--)>:--)> their King Fox tires? Both of my tires have shown a slow leak
> over time and
> :--)>:--)> on investigation, they are both leaking at the small
> protrusions of rubber
> :--)>:--)> where I suspect the rubber was injected into the tire mold. I
> just checked
> :--)>:--)> one yesterday and found one leak on one side of the tire and
> two leaks on the
> :--)>:--)> other side. Just wondering if anyone else has noticed this on
> their tires.
> :--)>:--)>
> :--)>
> :--)> Harold McConnell
> :--)> NE North Dakota
> :--)> Kitfox 3
> :--)> 582
> :--)>
> :--)>
> :--)>:--)> href="http://www.matronics.com/Navigator?Kitfox-
> :--)>:--)>
> List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
> :--)>:--)>
> href="http://www.matronics.com/contribution">http://www.matronics.com/c
> :--)>:--)>
> :--)>
> :--)> Kitfox-List Email Forum -
> :--)> MATRONICS WEB FORUMS -
> :--)> http://www.matronics.com/contribution
>
>
>
Message 11
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| Subject: | Re: King Fox tires |
One of mine has leaked since new. Last month the other started leaking
only faster. Just found cords showing. A lone spot about .625X1.5 in.
The rest of the tires have no noticeable wear. Am not impressed with the
quality of the King Fox. never had a problem with the original 20 year
old tires. Maybe they got hard with age and lasted longer.
Dwight Purdy
Model II
----- Original Message -----
From: Harold McConnell
To: Kitfox-List Digest Server
Sent: Friday, January 18, 2013 9:22 AM
Subject: Kitfox-List: King Fox tires
Is anyone else out there in Kitfox Land having trouble with a slow
leak of their King Fox tires? Both of my tires have shown a slow leak
over time and on investigation, they are both leaking at the small
protrusions of rubber where I suspect the rubber was injected into the
tire mold. I just checked one yesterday and found one leak on one side
of the tire and two leaks on the other side. Just wondering if anyone
else has noticed this on their tires.
Harold McConnell
NE North Dakota
Kitfox 3
582
Message 12
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| Subject: | Re: Brain Picking Engine 912 |
Install a Continual or Lycoming.
From: Vic Baker
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 12:26 PM
Subject: Re: Kitfox-List: Brain Picking Engine 912
As long as we're at it, what do you do about kickback while trying to
start? Especially in the winter. I've tried all sorts of start
procedures and have installed the "soft start" module. The module
seemed to help but the problem is still there. Any thoughts guys?
Vic
KF7 912ULS Warp
Carson City, Nv
----- Original Message -----
From: Lyle Persels
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 8:54 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
John and Lowell, I'm having similar problems (with my 912s) and am
quite sure it relates to low rpm flooding. Another manifestation is
extreme difficulty getting a smooth idle. When I shut down the engine
and immediately pull the carb bowls, the fuel level in the bowls is near
the top instead of about one-half inch below the top as it should be.
The vibration, of course, causes fuel to flow out of the carb vent vent
tube outlet. I haven't tried installing the carb float valve with the
stronger spring. This will be my next step. Any other thoughts?
Lyle Persels
On Jan 18, 2013, at 10:30 AM, kerrjohna@comcast.net wrote:
Lowell, my sense is that the problem is related to fuel pump/idle
mixture resulting in flooding at low rpm which is supported by the
difficulty in hot restart.
John Kerr
Learning more every day about the nuances of thes 912.
-------------------------------------------------------------------------
-
From: Catz631@aol.com
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 7:36:20 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
I had the same thing happen to me Lowell. I had just bought the
aircraft and my first 3 landings were all dead stick as the engine quit
cold turkey on short final. No way you will catch it with the throttle
as it stops too quickly.
Set your idle at 1800 on the ground and it will give you a few
hundred more rpm on short final. That most likely will solve your
problem. I haven't had mine stop on me since.
During shutdown you can pull the throttle back a little further
against the stop (below 1800) go to one mag,then the other,then off .
In my case I have to go below 1800 on shutdown or my engine will
flip the prop in reverse for about 3 rounds. Then I have to do the valve
tappet clearance check to make sure I haven't ingested any air in the
hydraulic lifters (as the engine rotated backwards) What a pain that is
! But you won't have that problem as I am the only one in the country
that does,it seems.
Take care !
Dick
Maddux
Fox 4
Milton,Fl
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Message 13
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| Subject: | Re: Brain Picking Engine 912 |
Oh yeah, the elusive "Continual" ;-)
Where can I get one? (I know where the Lycomings come from).
Bill
On Fri, Jan 18, 2013 at 4:36 PM, Glenn Horne <glennflys@verizon.net> wrote:
**
> Install a Continual or Lycoming.
>
Message 14
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| Subject: | Re: Brain Picking Engine 912 |
Glenn,
A local guy has a technique that has helped him over the years. I don't
know if you have tried it. This is from Clint Bazzill. He cranks with
the ignition off for several seconds. Then he lets it sit for several
more seconds. Then ignition on and crank to start. I do this on my 80
hp engine and it seems to help for an easier start. My primary reason
for doing it is to watch the oil pressure rise before actual engine
start. I have only witnessed the shaking on the 100 hp engine so have
no first hand experience with them.
Lowell
From: Glenn Horne
Sent: Friday, January 18, 2013 4:36 PM
Subject: Re: Kitfox-List: Brain Picking Engine 912
Install a Continual or Lycoming.
From: Vic Baker
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 12:26 PM
Subject: Re: Kitfox-List: Brain Picking Engine 912
As long as we're at it, what do you do about kickback while trying to
start? Especially in the winter. I've tried all sorts of start
procedures and have installed the "soft start" module. The module
seemed to help but the problem is still there. Any thoughts guys?
Vic
KF7 912ULS Warp
Carson City, Nv
----- Original Message -----
From: Lyle Persels
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 8:54 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
John and Lowell, I'm having similar problems (with my 912s) and am
quite sure it relates to low rpm flooding. Another manifestation is
extreme difficulty getting a smooth idle. When I shut down the engine
and immediately pull the carb bowls, the fuel level in the bowls is near
the top instead of about one-half inch below the top as it should be.
The vibration, of course, causes fuel to flow out of the carb vent vent
tube outlet. I haven't tried installing the carb float valve with the
stronger spring. This will be my next step. Any other thoughts?
Lyle Persels
On Jan 18, 2013, at 10:30 AM, kerrjohna@comcast.net wrote:
Lowell, my sense is that the problem is related to fuel pump/idle
mixture resulting in flooding at low rpm which is supported by the
difficulty in hot restart.
John Kerr
Learning more every day about the nuances of thes 912.
-------------------------------------------------------------------------
-
From: Catz631@aol.com
To: kitfox-list@matronics.com
Sent: Friday, January 18, 2013 7:36:20 AM
Subject: Re: Kitfox-List: Brain Picking Engine 912
I had the same thing happen to me Lowell. I had just bought the
aircraft and my first 3 landings were all dead stick as the engine quit
cold turkey on short final. No way you will catch it with the throttle
as it stops too quickly.
Set your idle at 1800 on the ground and it will give you a few
hundred more rpm on short final. That most likely will solve your
problem. I haven't had mine stop on me since.
During shutdown you can pull the throttle back a little further
against the stop (below 1800) go to one mag,then the other,then off .
In my case I have to go below 1800 on shutdown or my engine will
flip the prop in reverse for about 3 rounds. Then I have to do the valve
tappet clearance check to make sure I haven't ingested any air in the
hydraulic lifters (as the engine rotated backwards) What a pain that is
! But you won't have that problem as I am the only one in the country
that does,it seems.
Take care !
Dick
Maddux
Fox 4
Milton,Fl
3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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Message 15
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| Subject: | Re: King Fox tires |
Harold,
Going back to the original shaved tires, I always had a very slow leak
on the wide tires if I mounted them myself. I was forced to top up the
pressure every couple of weeks or so. This last time, I took them to an
ATV shop and they leak something like the very slow loss of pressure in
my truck tires. I once tried putting a bead of Silicone sealant at the
bead and they held pressure very well unless the bead was disturbed then
they would leak as before.
Lowell
From: Harold McConnell
Sent: Friday, January 18, 2013 6:22 AM
Subject: Kitfox-List: King Fox tires
Is anyone else out there in Kitfox Land having trouble with a slow leak
of their King Fox tires? Both of my tires have shown a slow leak over
time and on investigation, they are both leaking at the small
protrusions of rubber where I suspect the rubber was injected into the
tire mold. I just checked one yesterday and found one leak on one side
of the tire and two leaks on the other side. Just wondering if anyone
else has noticed this on their tires.
Harold McConnell
NE North Dakota
Kitfox 3
582
Message 16
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| Subject: | Brain Picking Engine 912 (Lowell Fitt) |
Lowell, I assume you know about the minimum idle speed for the 912 and are
not going below that. -I used to have thrust at landing in my Model IV wi
th a GSC prop and 912UL. -Switching to an Ivoprop allowed landing with fl
atter pitch, which cured that problem.=0A=0AJ Allen @ JAQ -IV Speedster
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