I would like to see Picts of the different methods described in this thread.
Thanks!
Sent from my iPhone
> On Mar 8, 2014, at 12:54 PM, Chris Gardner wrote:
>
> The Dremel tool flex shaft sounds like a good idea.
> I found that the speedo cable will work if you lower the friction of the
> attachment to the Zenith carb hi-speed mixture screw, then you won't get the
> windup problem.
> I used a 1/4 drive universal joint from a socket set for this. Works pretty
> well.
> Pix on request.
> Chris Gardiner
> KR2S
>
> Sent from my iPad
>
>> On Mar 3, 2014, at 4:46 PM, wrote:
>>
>> I believe that I used a Dremmel tool flex shaft for my cable on my
>> Zenith. I had mine running from the carb to a rack and pinion system so
>> I could use a regular vernier mixture cable to the rack gear which
>> turned the pinon connected to the flex shaft and carb needle. It worked
>> great.
>>
>>
>> Original Message
>> Subject: Re: KR> Zenith Carb
>> From: "smwood"
>> Date: Mon, March 03, 2014 11:28 am
>> To:
>>
>> I am using a Zenith from Great Plains on my 2180 VW. The carb is mounted
>>
>> directly behind the Diehl adapter case. If you have a magneto at that
>> location, then mounting the carb there will not work to well. I used the
>>
>> intake manifold kit from Great Plains, but opened the Y section to raise
>> the
>> carb higher. The carb mounting plate was cut off and re-welded
>> 90-degrees
>> to the original to face the carb air inlet to the right side. I made a
>> bracket to mount the carb to the center of the Diehl adapter case. The
>> speedometer cable has some torque wind-up before the mixture needle
>> actually
>> starts to move. Wish I could find a cable with the same flexibility as
>> the
>> speedometer cable, but without the springy wind up. Using the O2 mixture
>>
>> meter with this arrangement is dirt simple. The Zenith does not have an
>> accelerator pump, so have to slowly advance the throttle from idle to
>> keep
>> the engine from stalling. From 700 RPM to 1300 RPM takes about 3
>> seconds.
>> Past about 1300 RPM can jam the throttle with no further concern
>>
>> Sid Wood
>> Tri-gear KR-2 N6242
>> Mechanicsville, MD, USA
>>
>>
>>>
>>> On my old KR I was using the Zenith that Great Plains sells with a single
>>> runner manifold to the heads. That engine was also a 2180 cc. That
>>> combination work very well for many years. It ran smooth throughout the
>>> throttle range, summer or winter, idled well and was easy to start. The
>>> only
>>> thing I did not like about it was using a speedometer cable to control the
>>> mixture. I like the robustness of the hardware on the Revflow. I am going
>>> to
>>> try one more time with the new needle, but I am getting all the parts
>>> together to use the Zenith again. I want to fly the plane and not fixate
>>> so
>>> much on the carburetor. Right now I am afraid to go far from the airport.
>>> Of
>>> coarse I will have to do some glass work on the cowling to make the Zenith
>>> fit and come up with a mixture control for it, because it needs to hang
>>> lower under the engine.
>> Re: flying, KR 19-8322 (Roger Bulla)
>>
>>
>>
>>
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