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#1) 
 Post subject: CAP 21 Build
PostPosted: 14 Mar 2010 00:27 
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Joined: 19 Feb 2010 18:25
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Location: Oregon Ohio
I got to talking to a guy at work about airplanes. It turned out that he had an old kit pass on to him which was never started and I needed a new project. After 20 somthing years it's finally getting built.

This project comes from Great Planes. I'm not sure how old it is. It's a 60" wingspan .40 size.

I started with the h-stab and plan to use the pin style hinges. I tried a couple of them on my Hog Bipe and it worked out well. I just hat cutting the CA hinge slots and I hate CA glue running all over.

I also get started on the fuse sides. Because the edges were bowed a bit I ended up positioning a wing rib on the plans then trimmed around all the sides. The pieces were close to the correct size so when I got finished the top edge was 1/4" short. I'll glue a strip on.


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File comment: Great Planes CAP 21
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#2) 
 Post subject: Re: CAP 21 Build
PostPosted: 15 Mar 2010 10:50 
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Location: Salisbury, England
Very nice build Tom - this thread will get moved to the Build Log forum when I get it done, sometime this week :) . I shall enjoy following this one, as will many others I'm sure.
Just seeing that first pic makes me want to start building again, unfortunately my *wonderful* internet connection isn't opening the other pics for me at the moment :x
I'm hoping I can start building something soon after our move back to the UK.

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#3) 
 Post subject: Re: CAP 21 Build
PostPosted: 15 Mar 2010 19:39 
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Joined: 15 Nov 2008 19:31
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Location: Sandy, OR
Tat looks it will be a fun plane.
One day I'll do a full build. For now I'll stick to my restoration to get the hang of working with it. :)


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#4) 
 Post subject: Re: CAP 21 Build
PostPosted: 15 Mar 2010 23:40 
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A few more steps were completed over the weekend.
I glued up the rudder and elevators adding some triange stock to the leading edges. This was much eaisier then cutting and sanding a chamfered edge. I also had to taper the rudder and elevators. The kit included blocks of wood rather then pre-shaped pieces.


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#5) 
 Post subject: Re: CAP 21 Build
PostPosted: 20 Mar 2010 14:49 
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The fuselage is slowly comming together. I'm waiting on the engine and exhaust then I can put in the throttle control rod and fuel tank. It should be here Monday or Tuesday. After that I'll be able to put the top on the fuselage and start working on the cowl.

I considered splitting the elevator and using a split rob or two servos but I've never done that before and thought the space was kind of small for it. I also considered using a pull-pull cable for the rudder but that would be a first for me too and space seems limited.


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#6) 
 Post subject: Re: CAP 21 Build
PostPosted: 20 Mar 2010 19:49 
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I can´t tell you how much these photos are making me want to get building something right now! I can practically smell the balsa... :lol:
Great job so far Tom, keep 'em coming! :P

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My site is rc-airplane-world.com, a beginners' guide to radio control flying.


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#7) 
 Post subject: Re: CAP 21 Build
PostPosted: 20 Mar 2010 20:35 
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I started gluing up a wing today and my engine showed up in the mail. Wow! :D Two day delivery.

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#8) 
 Post subject: Re: CAP 21 Build
PostPosted: 21 Mar 2010 12:18 
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Nice! Are you going to do a bench test with it first?

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#9) 
 Post subject: Re: CAP 21 Build
PostPosted: 21 Mar 2010 14:47 
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I usually run them on a stand first. That way they can run extra rich and not make a mess of the airplane.
I'll propabaly run two on the stand soon. This new one and a .91 4 cycle that took a pretty good hit when I crashed my bipe. It broke the engine mount, the intake manifold and the carb mount and the rear crank shaft cover.

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#10) 
 Post subject: Re: CAP 21 Build
PostPosted: 24 Mar 2010 23:38 
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A bit more progress. One half of the wing is taking shape. Near complete. I just need to figure out how to modify it and mount the servos in the wing. I made a couple of plastic mounting blocks at work to hold the servo the a wing access panel. I also got the engine mounted and I'm starting to play with where the fuel lines want to go and how to get the tank in and out.
It's kind of slow going when I have to figure out how to do something that's not clear on the plans or when I deviate from them.


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