I also have a hollow wing chipmunk that has been converted but never flown. It is pretty much mint and has never seen fuel. I am not sure if I will fly this since it is the same as the ME-109 . This is finished with Monokote Trim and a scan of the decals/stickers from the solid wing version as i have been unable to obtain a good scan of the original sticker. (If anyone has the originals in good shape, I don't need the wing stuff, I would love a pdf or a good scan of them.) The conversion components are the exact same the only difference is that I figured out how to use the original cox spinners with the electric motors without altering the plastic spinner. I will attach a few pictures.

That looks great.  Thanks for the pics.

I'm not sure if mine is the hollow or solid wing.  I haven't removed the plastic and didn't look too closely at the box.  Is there a way to tell without opening the box?

Thanks.

Can you post a picture of the box? I have a solid wing one in the box but I'd have to dig it out but the the easy way for you to tell if if the chipmunk on the front of the plane matches mine its the solid wing one since i have the wrong one on mine.

   Yes, post a pic of the box and part number. On the solid wing version, I think therexare actually two part numbers,. Ted Fancher did a review of the airplane in the mid 1980s I think and recommended changes, that Cox implemented,  and then restarted with a new model and part number.
  Type at you later,
   Dan McEntee

Sorry, no picture yet...I always struggle finding a way to resize for the forum.  I'll get some pics soon.

Looking more closely at the box it appears to be the solid wing version.  The outside of the box says No. 9300.

   If you want to review it, the Fancher article was in the January 1989 issue of Model Aviation. That can be viewed on the AMA web site. I have scans for it but they are blurry for some reason but can be read. I need to rescan it. the basics of the mods are moving the lead out guide forward ( on the original solid wing version) and adding some tip weight. Cox stopped production and incorporated the changes. On the original solid wing, the guide was about half way back on the inboard tip, about 1 1/2" behind the balance point according t Ted,  and on the new version, he suggests moving it up to about 1/4" to 1/2" behind the CG, and adding about 1/2 ounce tip weight. He tested his on .008" lines 30ft long, and the new fishing line we have now in the 10 lb range should be more livable to take care of.
   Type at you later,
   Dan McEntee

Thanks, Dan.  When I get to it, I would like to use acrylic or other appropriate paint to replicate the original stick on graphics.  I'll do ink jet water transfer decals from scans of stock stick on graphics, and incorporate an electric system similar if not the same as Will's.

I always wanted one of these as a kid but never had one. I think I was in high school when they became popular.  I was tickled to death when I saw one still in the plastic on Doc's shelf. 

Now I have it.  No rush, but want to make it flyable but last a long time. Electric is the way to go.

Doing some surfing and searching the Cox Chipmunk, I came across this thread from RC groups. I found it worth sharing.

https://www.rcgroups.com/forums/showthread.php?2660765-Cox-Super-Chipmunk

*SIGH* 

Back when you could still get LustreKote...

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