Today's Message Index:
----------------------
1. 05:43 AM - Re: Re: 912 Carbs (Noel Loveys)
2. 07:04 AM - Re: 912 Carbs (kitfoxmike)
3. 07:56 AM - Re: Re: 912 Carbs (TC)
4. 09:39 AM - Re: 912 Carbs (kitfoxmike)
5. 10:47 AM - Re: 912 ULS Noise Capacitor (Clint Bazzill)
6. 11:24 AM - Re: Re: 912 Carbs (jeff puls)
7. 02:22 PM - Re: Re: 912 Carbs (Barry West)
8. 07:07 PM - Re: Rated Capacitor Voltage (84KF)
9. 08:02 PM - Re: Re: Rated Capacitor Voltage (Noel Loveys)
Message 1
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The two stroke Bing carbs now have a tube which connects the left bowl vent
with the right bowl vent and then a couple of small holes pierced through
the tubing near the bottom of the loop. This was done to keep air from
blowing gas out of the bowls. It's just an Idea but it may just work for
you too.
Noel
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of
> Todd Leiss
> Sent: Friday, March 02, 2007 1:03 AM
> To: rotaxengines-list@matronics.com; kitfox-list
> Subject: Kitfox-List: RE: 912 Carbs
>
>
>
> Some more info on my carb problem:
>
> My vent tubes are the proscribed length (about 4 inches), and
> tucked under
> the float bowl spring clip.
> I have new Boots or Flanges.
> Vents under Carb inlets are free. Carbs are facing the correct way.
> Synchronized by the Lockwood method (two Vacuum gauges) adjusting the
> throttle cables as described in a "power-up" article.
>
> On the bottom of the Carb slide (with long needle valve set
> at proscribed
> clip position) there are two vent holes. Do these face the
> air filter or
> Intake manifold (as I have them)?
>
> I have a new (Jan 07) Fuel pump from Lockwood. I had ignition issues,
> which I solved, but around the same time my old fuel pump
> started to leak.
> The carbs didn't have the fuel running out the vents before
> the new pump,
> but it never occurred to me that the pump could be the
> problem. This may
> very well be the issue. I will definitely check with
> Lockwood tomorrow
> concerning the fuel pressure.
>
> Keep the wonderfully helpful cards and letters coming.
>
> All the Best,
>
> Todd
>
>
>
>
> > [Original Message]
> > From: Roger Lee <ssadiver1@yahoo.com>
> > To: <rotaxengines-list@matronics.com>
> > Date: 3/1/2007 10:15:21 PM
> > Subject: RotaxEngines-List: Re: 912 Carbs
> >
> > --> RotaxEngines-List message posted by: "Roger Lee"
> <ssadiver1@yahoo.com>
> >
> > Hi Todd,
> >
> >
> > Question: Are both carbs actting up in the same way?
> >
> > Those vents you describe on the carb throat edges are
> actually inlets.
> They must face out towards the air cleaner side or you will have the
> problems as you describe. These intakes help work the
> diaphram in the top
> of your carb for pressure changes.
> >
> > If this was the problem your home free, if not:
> > One of the things you need to check is your fuel pump
> pressure. There is
> a new service bulletin out on certain serial numbered engines
> that they
> want these pumps replaced. The symptoms are as you describe. The max
> pressure (without the manual in front of me) is 5.6 psi and
> some of these
> pumps are putting out in the 9psi range.
> > This type of pressure will cause what you have described. There is a
> replacement program as I understand it.
> > Your mixture screw should be set at 1.5 turns and left
> alone. Then you
> should set the carb's idel screw with the engine off and then
> while it is
> running.
> >
> >
> > My bet is that your carbs are facing the wrong way.
> >
> > Good luck!
> >
> > --------
> > Roger Lee
> > Tucson, Az.
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=98230#98230
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
>
>
>
Message 2
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The float needles that I used were the 261-705 from ACS there are about 15 ea.
I removed my spring clips on both sides, I felt they were keeping things from
working right, lockwood said those are only there for install ease. If you find
any particals in the fuel in the bowls, two things to do. replace all hoses
with auto fuel injection hose, next put small rock filters just before the carbs.
These needles have a black tip, rubber. Lockwood said that the black is
the best, has the strongest spring inside.
On adjusting the carbs, I've never had good luck with the vacuum deal. What I
do is open the throttle all the way and then check at the carbs to make sure the
levers are the same against the stop, I have mine set up to be about 1/32 to
1/64 end gap on both sides. This should get you real close, and then put the
idle stop the same on both sides, loosen up the stop and bring it to the arm
and go the same amount of turns to set the idle.
--------
kitfoxmike
model IV, 1200
speedster
912ul
Do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=98296#98296
Message 3
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The fuel running out your vents is due to shaking of the carbs (most likely)
or the floats set too high.
-----Original Message-----
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Noel Loveys
Sent: Friday, March 02, 2007 7:43 AM
Subject: RE: Kitfox-List: RE: 912 Carbs
The two stroke Bing carbs now have a tube which connects the left bowl vent
with the right bowl vent and then a couple of small holes pierced through
the tubing near the bottom of the loop. This was done to keep air from
blowing gas out of the bowls. It's just an Idea but it may just work for
you too.
Noel
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Todd
> Leiss
> Sent: Friday, March 02, 2007 1:03 AM
> To: rotaxengines-list@matronics.com; kitfox-list
> Subject: Kitfox-List: RE: 912 Carbs
>
>
>
> Some more info on my carb problem:
>
> My vent tubes are the proscribed length (about 4 inches), and tucked
> under the float bowl spring clip.
> I have new Boots or Flanges.
> Vents under Carb inlets are free. Carbs are facing the correct way.
> Synchronized by the Lockwood method (two Vacuum gauges) adjusting the
> throttle cables as described in a "power-up" article.
>
> On the bottom of the Carb slide (with long needle valve set at
> proscribed clip position) there are two vent holes. Do these face the
> air filter or Intake manifold (as I have them)?
>
> I have a new (Jan 07) Fuel pump from Lockwood. I had ignition issues,
> which I solved, but around the same time my old fuel pump started to
> leak.
> The carbs didn't have the fuel running out the vents before the new
> pump, but it never occurred to me that the pump could be the problem.
> This may very well be the issue. I will definitely check with
> Lockwood tomorrow concerning the fuel pressure.
>
> Keep the wonderfully helpful cards and letters coming.
>
> All the Best,
>
> Todd
>
>
>
>
> > [Original Message]
> > From: Roger Lee <ssadiver1@yahoo.com>
> > To: <rotaxengines-list@matronics.com>
> > Date: 3/1/2007 10:15:21 PM
> > Subject: RotaxEngines-List: Re: 912 Carbs
> >
> > --> RotaxEngines-List message posted by: "Roger Lee"
> <ssadiver1@yahoo.com>
> >
> > Hi Todd,
> >
> >
> > Question: Are both carbs actting up in the same way?
> >
> > Those vents you describe on the carb throat edges are
> actually inlets.
> They must face out towards the air cleaner side or you will have the
> problems as you describe. These intakes help work the diaphram in the
> top of your carb for pressure changes.
> >
> > If this was the problem your home free, if not:
> > One of the things you need to check is your fuel pump
> pressure. There is
> a new service bulletin out on certain serial numbered engines that
> they want these pumps replaced. The symptoms are as you describe. The
> max pressure (without the manual in front of me) is 5.6 psi and some
> of these pumps are putting out in the 9psi range.
> > This type of pressure will cause what you have described. There is a
> replacement program as I understand it.
> > Your mixture screw should be set at 1.5 turns and left
> alone. Then you
> should set the carb's idel screw with the engine off and then while it
> is running.
> >
> >
> > My bet is that your carbs are facing the wrong way.
> >
> > Good luck!
> >
> > --------
> > Roger Lee
> > Tucson, Az.
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=98230#98230
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
>
>
>
>
>
Message 4
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Or the float needle stuck open, been there.
--------
kitfoxmike
model IV, 1200
speedster
912ul
Do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=98319#98319
Message 5
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| Subject: | 912 ULS Noise Capacitor |
I Don"t think so.
From: "Noel Loveys" <noelloveys@yahoo.ca>
Subject: RE: Kitfox-List: 912 ULS Noise Capacitor
22,000uF.... Make sure you short out the terminals of that capacitor with a
well insulated device like an old screwdriver (don't use a new one) before
trying to connect that capacitor into your plane. 22,000uF is more than
enough to give you a most unpleasant shock... Not to mention a small burn.
Noel
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of flier
> Sent: Wednesday, February 28, 2007 7:42 PM
> To: kitfox-list@matronics.com; kitfox-list@matronics.com
> Subject: Re: Kitfox-List: 912 ULS Noise Capacitor
>
>
>
> BTW, that's a 22000uF electrolytic can. 25V should
> be plenty but a 50V won't hurt. Digi-Key has
> Panasonic manufactured for ~ $11.
>
>
> --- Original Message ---
> From: "flier" <FLIER@sbcglobal.net>
> To: <kitfox-list@matronics.com>, <kitfox-
> list@matronics.com>
> Subject: Re: Kitfox-List: 912 ULS Noise Capacitor
>
> >Check Digi-Key at digikey.com. 50V simply gives
> >plenty of margin for a large spike.
> >
> >--- Original Message ---
> >From: David Estapa <davestapa@juno.com>
> >To: kitfox-list@matronics.com
> >Subject: Kitfox-List: 912 ULS Noise Capacitor
> >
> ><davestapa@juno.com>
> >>
> >>Last weekend when running my engine to check static
> >RPM before first
> >>flight my noise capacitor blew. The engine has run
> >several hours with no
> >>problems. I was told by one "airport bum" it was
> >undersized (came from
> >>Skystar- 25 V). He indicated I needed at least 50V.
> >I have looked on Bob
> >>Nuckols site and there is mention of this happening
> >quite often. Seem
> >>with the permanent magnet generator and small
> >motorcycle battery that
> >>comes with the fire wall forward kit there is a
> >problem. Don't understand
> >>all the electronics. But something about over volt
> >surge. I can't find a
> >>source for the capacitor much less a larger one.
> >Also don't want to just
> >>replace it until I understand what's happening. Any
> >help would be
> >>appreciated.
> >>
> >>David Estapa
> >>Woodstock, GA
> >>S5TD N97DE
> >>
> >>_-
> >====================================================
>
> >=====
> >browse
> >Subscriptions page,
> >FAQ,
> >List
> >>_-
> >====================================================
>
> >=====
> >Web Forums!
> >>_-
> >====================================================
>
> >=====
> >>
> >>
> >>
> >
>
>
>
>
>
>
>
_________________________________________________________________
The average US Credit Score is 675. The cost to see yours: $0 by Experian.
http://www.freecreditreport.com/pm/default.aspx?sc=660600&bcd=EMAILFOOTERAVERAGE
Message 6
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| Subject: | Re: RE: 912 Carbs |
Or the choke is stuck.
----- Original Message -----
From: "TC" <flier@sbcglobal.net>
Sent: Friday, March 02, 2007 10:55 AM
Subject: RE: Kitfox-List: RE: 912 Carbs
>
> The fuel running out your vents is due to shaking of the carbs (most
> likely)
> or the floats set too high.
>
>
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Noel Loveys
> Sent: Friday, March 02, 2007 7:43 AM
> To: kitfox-list@matronics.com
> Subject: RE: Kitfox-List: RE: 912 Carbs
>
>
> The two stroke Bing carbs now have a tube which connects the left bowl
> vent
> with the right bowl vent and then a couple of small holes pierced through
> the tubing near the bottom of the loop. This was done to keep air from
> blowing gas out of the bowls. It's just an Idea but it may just work for
> you too.
>
> Noel
>
>
>> -----Original Message-----
>> From: owner-kitfox-list-server@matronics.com
>> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Todd
>> Leiss
>> Sent: Friday, March 02, 2007 1:03 AM
>> To: rotaxengines-list@matronics.com; kitfox-list
>> Subject: Kitfox-List: RE: 912 Carbs
>>
>>
>>
>> Some more info on my carb problem:
>>
>> My vent tubes are the proscribed length (about 4 inches), and tucked
>> under the float bowl spring clip.
>> I have new Boots or Flanges.
>> Vents under Carb inlets are free. Carbs are facing the correct way.
>> Synchronized by the Lockwood method (two Vacuum gauges) adjusting the
>> throttle cables as described in a "power-up" article.
>>
>> On the bottom of the Carb slide (with long needle valve set at
>> proscribed clip position) there are two vent holes. Do these face the
>> air filter or Intake manifold (as I have them)?
>>
>> I have a new (Jan 07) Fuel pump from Lockwood. I had ignition issues,
>> which I solved, but around the same time my old fuel pump started to
>> leak.
>> The carbs didn't have the fuel running out the vents before the new
>> pump, but it never occurred to me that the pump could be the problem.
>> This may very well be the issue. I will definitely check with
>> Lockwood tomorrow concerning the fuel pressure.
>>
>> Keep the wonderfully helpful cards and letters coming.
>>
>> All the Best,
>>
>> Todd
>>
>>
>>
>>
>> > [Original Message]
>> > From: Roger Lee <ssadiver1@yahoo.com>
>> > To: <rotaxengines-list@matronics.com>
>> > Date: 3/1/2007 10:15:21 PM
>> > Subject: RotaxEngines-List: Re: 912 Carbs
>> >
>> > --> RotaxEngines-List message posted by: "Roger Lee"
>> <ssadiver1@yahoo.com>
>> >
>> > Hi Todd,
>> >
>> >
>> > Question: Are both carbs actting up in the same way?
>> >
>> > Those vents you describe on the carb throat edges are
>> actually inlets.
>> They must face out towards the air cleaner side or you will have the
>> problems as you describe. These intakes help work the diaphram in the
>> top of your carb for pressure changes.
>> >
>> > If this was the problem your home free, if not:
>> > One of the things you need to check is your fuel pump
>> pressure. There is
>> a new service bulletin out on certain serial numbered engines that
>> they want these pumps replaced. The symptoms are as you describe. The
>> max pressure (without the manual in front of me) is 5.6 psi and some
>> of these pumps are putting out in the 9psi range.
>> > This type of pressure will cause what you have described. There is a
>> replacement program as I understand it.
>> > Your mixture screw should be set at 1.5 turns and left
>> alone. Then you
>> should set the carb's idel screw with the engine off and then while it
>> is running.
>> >
>> >
>> > My bet is that your carbs are facing the wrong way.
>> >
>> > Good luck!
>> >
>> > --------
>> > Roger Lee
>> > Tucson, Az.
>> >
>> >
>> >
>> >
>> > Read this topic online here:
>> >
>> > http://forums.matronics.com/viewtopic.php?p=98230#98230
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>>
>>
>>
>>
>>
>
>
>
Message 7
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| Subject: | Re: RE: 912 Carbs |
Some shaking, vibration, can cause the gasoline to foam which causes it to
come out of the overflow tube.
Barry West
----- Original Message -----
From: "jeff puls" <pulsair@mindspring.com>
Sent: Friday, March 02, 2007 1:24 PM
Subject: Re: Kitfox-List: RE: 912 Carbs
>
> Or the choke is stuck.
>
> ----- Original Message -----
> From: "TC" <flier@sbcglobal.net>
> To: <kitfox-list@matronics.com>
> Sent: Friday, March 02, 2007 10:55 AM
> Subject: RE: Kitfox-List: RE: 912 Carbs
>
>
>>
>> The fuel running out your vents is due to shaking of the carbs (most
>> likely)
>> or the floats set too high.
>>
>>
>>
>> -----Original Message-----
>> From: owner-kitfox-list-server@matronics.com
>> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Noel Loveys
>> Sent: Friday, March 02, 2007 7:43 AM
>> To: kitfox-list@matronics.com
>> Subject: RE: Kitfox-List: RE: 912 Carbs
>>
>>
>> The two stroke Bing carbs now have a tube which connects the left bowl
>> vent
>> with the right bowl vent and then a couple of small holes pierced through
>> the tubing near the bottom of the loop. This was done to keep air from
>> blowing gas out of the bowls. It's just an Idea but it may just work for
>> you too.
>>
>> Noel
>>
>>
>>
>>> -----Original Message-----
>>> From: owner-kitfox-list-server@matronics.com
>>> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of Todd
>>> Leiss
>>> Sent: Friday, March 02, 2007 1:03 AM
>>> To: rotaxengines-list@matronics.com; kitfox-list
>>> Subject: Kitfox-List: RE: 912 Carbs
>>>
>>>
>>>
>>> Some more info on my carb problem:
>>>
>>> My vent tubes are the proscribed length (about 4 inches), and tucked
>>> under the float bowl spring clip.
>>> I have new Boots or Flanges.
>>> Vents under Carb inlets are free. Carbs are facing the correct way.
>>> Synchronized by the Lockwood method (two Vacuum gauges) adjusting the
>>> throttle cables as described in a "power-up" article.
>>>
>>> On the bottom of the Carb slide (with long needle valve set at
>>> proscribed clip position) there are two vent holes. Do these face the
>>> air filter or Intake manifold (as I have them)?
>>>
>>> I have a new (Jan 07) Fuel pump from Lockwood. I had ignition issues,
>>> which I solved, but around the same time my old fuel pump started to
>>> leak.
>>> The carbs didn't have the fuel running out the vents before the new
>>> pump, but it never occurred to me that the pump could be the problem.
>>> This may very well be the issue. I will definitely check with
>>> Lockwood tomorrow concerning the fuel pressure.
>>>
>>> Keep the wonderfully helpful cards and letters coming.
>>>
>>> All the Best,
>>>
>>> Todd
>>>
>>>
>>>
>>>
>>> > [Original Message]
>>> > From: Roger Lee <ssadiver1@yahoo.com>
>>> > To: <rotaxengines-list@matronics.com>
>>> > Date: 3/1/2007 10:15:21 PM
>>> > Subject: RotaxEngines-List: Re: 912 Carbs
>>> >
>>> > --> RotaxEngines-List message posted by: "Roger Lee"
>>> <ssadiver1@yahoo.com>
>>> >
>>> > Hi Todd,
>>> >
>>> >
>>> > Question: Are both carbs actting up in the same way?
>>> >
>>> > Those vents you describe on the carb throat edges are
>>> actually inlets.
>>> They must face out towards the air cleaner side or you will have the
>>> problems as you describe. These intakes help work the diaphram in the
>>> top of your carb for pressure changes.
>>> >
>>> > If this was the problem your home free, if not:
>>> > One of the things you need to check is your fuel pump
>>> pressure. There is
>>> a new service bulletin out on certain serial numbered engines that
>>> they want these pumps replaced. The symptoms are as you describe. The
>>> max pressure (without the manual in front of me) is 5.6 psi and some
>>> of these pumps are putting out in the 9psi range.
>>> > This type of pressure will cause what you have described. There is a
>>> replacement program as I understand it.
>>> > Your mixture screw should be set at 1.5 turns and left
>>> alone. Then you
>>> should set the carb's idel screw with the engine off and then while it
>>> is running.
>>> >
>>> >
>>> > My bet is that your carbs are facing the wrong way.
>>> >
>>> > Good luck!
>>> >
>>> > --------
>>> > Roger Lee
>>> > Tucson, Az.
>>> >
>>> >
>>> >
>>> >
>>> > Read this topic online here:
>>> >
>>> > http://forums.matronics.com/viewtopic.php?p=98230#98230
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>> >
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
>
Message 8
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| Subject: | Re: Rated Capacitor Voltage |
1 Farad Capacitor with Digital Monitor 3.2 lbs
http://www.amazon.com/1-Farad-Capacitor-Digital-Monitor/dp/B0009DTJBO
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=98421#98421
Message 9
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| Subject: | Re: Rated Capacitor Voltage |
Wow... That would jump start your day!
Thanks
Noel
> -----Original Message-----
> From: owner-kitfox-list-server@matronics.com
> [mailto:owner-kitfox-list-server@matronics.com] On Behalf Of 84KF
> Sent: Friday, March 02, 2007 11:37 PM
> To: kitfox-list@matronics.com
> Subject: Kitfox-List: Re: Rated Capacitor Voltage
>
>
>
> 1 Farad Capacitor with Digital Monitor 3.2 lbs
>
> http://www.amazon.com/1-Farad-Capacitor-Digital-Monitor/dp/B0009DTJBO
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=98421#98421
>
>
>
>
>
>
>
>
>
>
>
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