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General control line discussion => Open Forum => Topic started by: Dwayne on June 08, 2010, 12:09:14 PM
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Finished my CCK Jerkline and I have to say this one cool looking model, final weight is 26 oz. I also have a question I read somewhere that you shouldn't use a muffler on a Red Head .35 as it will over heat, is this true?
Thanks
Dwayne
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I also have a question I read somewhere that you shouldn't use a muffler on a Red Head .35 as it will over heat, is this true?
Thanks
Dwayne
It has been my experience that they will run hotter and discolor the red paint.
And that clown creeps me out. %^
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Just make sure you run the McCoy a little richer on the needle. The plane looks great. H^^
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Just make sure you run the McCoy a little richer on the needle. The plane looks great. H^^
Thanks John that's what I was looking for, I'm going to use a 10X5 and run it in a traditional 4/2/4 set up so I'm hopeful it won't be a problem.
Thanks again
Dwayne
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Nice work Dwayne, looks great!
-Chris
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Very cool Dwayne, the redhead should pull it around great at that weight!
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Does anybody know the history of the "Jerkline Special" design? When was it designed/published and what was its performance like in competition? I have heard about this plane for years, but had never seen one fly or even a picture of one until those posted here. It is a great looking plane and should make a fine sport flier.......TDurrill. ??? H^^
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The Jerkline Special was in the June, 1960 American Modeler. One of my flying pals built one. It was pretty cool. I liked it because it looked so ungainly with the fat fuselage and thick airfoil, yet it flew great. It gave one the element of surprise in combat, kinda like a Y&O 8-8 prop. It didn't look very dangerous. I remember the Joplin posse coming to a KC contest in 1961 and to the 1962 Nats with Jerklines. As I remember, they took them to the Nats in a box using popcorn as packing material. I always wanted to build one, but never got around to it. Steve Fauble sent me his Barry Baxter plans. They didn't look quite the same as I'd remembered. I thought I'd read that the original had an NACA 0018 airfoil. I was about to email Wild Bill to ask him about the airfoil when I heard that he'd died. Mike Griffin kindly sent me a copy of the original magazine article, and that got me excited again. If anybody has the magazine plans, I'd like to get a copy.
The airfoil is 18% thick, but it's not an NACA 0018, by the way.
I had a copy of the magazine article on my desk when a local stunt flier called. We were talking about Bill's passing and telling Wild Bill stories. "You could tell he was an engineer", said the caller, "He had no sense of esthetics. His airplanes were ugly." I was outraged. I pointed to the Jerkline article and asserted that it was the coolest looking control line airplane ever.
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Yes some of Bill's designs were a little homely. His Goldbrick is on in particular. It is after it is built and flown you realize the beauty in his designs. I am working on the Equalizer now as I wait on the mood to do the graphics on the Thunderbolt. Has anybody checked the AMA for the original plans? H^^
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18% airfoil...huh. I wonder if his Equalizer used a Jerkline wing, it was 18% too. A beautifully flying machine. With that thick airfoil it would turn inside anyone.
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18% airfoil...huh. I wonder if his Equalizer used a Jerkline wing, it was 18% too. A beautifully flying machine. With that thick airfoil it would turn inside anyone.
I noticed the airfoil as well so I'm going to order a set of ribs from CCK and build a stunt version of this plane, I'm going to stretch the wing to 50" add flaps, stretch the nose and tail accordingly and call it "The Super Jerk" LL~ LL~ LL~ Seriously though this airfoil and blunt L.E. should make a good stunt wing.
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I agree with Paul's comment. Been trying to run a RH 35 for some time now with a strap-on SS tongue muffler. It definitely increases the head temp. If you can get away with it, don't use a muffler. The motor will thank you for it if not the neighbors.