Zenith Aircraft Builders and Flyers
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Kay C. Caldwell
- Gunnison, UT
- United States
- Blog Posts (1)
- Discussions (17)
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- Photos (6)
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Kay C. Caldwell's Page
Latest Activity
"Does anyone know why Jan Eggenfelner turned around. Looks like he is almost back home.......probably weather?? Im guessing...."
ch 640
I finally ran some fuel through my project. I am building a ch 640 from scratch. I am using a subaru engine with an RFI redrive that I built also from scratch. I bought a set of redrive plans from Don Parnham, and also had him do my computer harness etc. It finally purrs like a kitten. I ran it today for about an hour checking cooling, oil temp, redrive belt tracking etc. It really lights the old building fire again. Since I am building from scratch it has been horfically slow due to…See More
"Hi Kay - Do you have your CH640 in the air yet? I'm slowly getting my fuselage built up. Working on getting it on the landing gear now. Let me know if you fly down my way!! Brian Walker - Las Vegas."
Profile Information
- Aircraft Model
- ZODIAC CH 640
- Project Status
- Nearly done
- Building From
- Partial kit
- Engine installed (or plan to install)
- Lycoming
- Building Experience
- Have worked on airplanes before
- Flying Experience
- Private Pilot
- Building and Flying Info / Your Profession / Other Background Info
- composite construction in aerospace industry.
Kay C. Caldwell's Photos
Kay C. Caldwell's Blog
ch 640
Posted on September 9, 2013 at 12:43pm 0 Comments 3 Likes
I finally ran some fuel through my project. I am building a ch 640 from scratch. I am using a subaru engine with an RFI redrive that I built also from scratch. I bought a set of redrive plans from Don Parnham, and also had him do my computer harness etc. It finally purrs like a kitten. I ran it today for about an hour checking cooling, oil temp, redrive belt tracking etc. It really lights the old building fire again. Since I am building from scratch it has been horfically slow due to…
ContinueComment Wall (12 comments)
- At 6:05pm on August 1, 2017,
Robert Audsley said…
Kay,
Your plane looks Terrific, ecellent job.
- At 9:36am on August 24, 2011,
Brian Walker said…
- Hi Kay - Do you have your CH640 in the air yet? I'm slowly getting my fuselage built up. Working on getting it on the landing gear now. Let me know if you fly down my way!! Brian Walker - Las Vegas.
- At 7:59am on November 16, 2010,
Geoffrey Alexander said…
- My goal is to have the airplane at OSH next year with all the details worked out. I also had to make the cowling bubbles bigger to clear the cylinders and plug wires. I will send you some more pictures.
- At 7:54am on November 16, 2010,
- Kay. I only have about 3 hours on the airplane so far. I seems very stable& holds altitude well in turns. I have trim (roll) issues still to work out. I almost changed out the aileron cables for push tubes before I put the wings on. Now I wish I had done this. I have the cables tensioned beyond the specs but still the left aileron will not stay faired in flight. It is OK on the ground. Must be some slop somewhere but I don't know how to fix it yet.
- At 12:37pm on February 13, 2010,
Kay C. Caldwell said…
- I was hoping to have it in the air this summer but I don't know if that will happen. I am hanging the engine right now. I am using an auto conversion so it has been slower than I had hoped. Keep me posted on your progress. Thanks for the note. Kay C.
- At 1:41pm on February 10, 2010,
- Hey Kay. Haven't wrote in awhile. Do you have your CH640 flying yet?
- At 12:50am on June 27, 2009,
Antonio Gil said…
- Hi Kay, the aircraft have the same performances that Zenair said,By the moment I am flying in 3000ft elevation airfield and with 65% -75% power
until 50hr.
The aircraft was showed in Paris (France) and I am very happy by its performances
- At 3:51pm on June 26, 2009,
- Jeff Paden's web site is no more. I've finished the rudder, HT, and both wings. Working on the fuselage now. How far along are you?
- At 9:15am on June 26, 2009,
- BTW Jeff Paden is crazy! Zenair will not even talk to him anymore.
Geoffrey
- At 9:14am on June 26, 2009,
- I have a freshly overhauled O-360 with a fixed pitch prop. I think this will be just fine for the flying I do in Oklahoma. I think Lycoming just recently said it is OK to burn mogas in the 360. We have been burning a mixture of 25% avgas and 75% mogas + 1gallon of Marvel Mystry Oil/100 gal. of fuel in a Cessna 172 with a Lyc 0-320. The plugs don't lead up and it starts very easily. (Your results may vary. )
Geoffrey
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