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COX Super Stunter - Balsa build ... 40 years later..

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COX Super Stunter - Balsa build ... 40 years later..

Post  pegin964 on Mon Apr 02, 2018 4:41 am

Some 40 years ago, i was introduced in CL flying with Cox Super Stunter, bought via Graupner store in Germany. Find old B/W 35mm film and scanned it with my digital camera, so, the pics are blurry but refreshed my memory and inspired me to do a balsa re-build of this model, since rare Stunters listed at EBAY are out of my budget (mostly due extreme postage and expected custom charges) .







So, i roughly re-draw Stunter outlines using available data and photos on the web, and build started .



Wing was borrowed from abandoned Graupner CHICO RC racer, shortened and shaped to Stunter wing look. Fuselage and tailplanes are scratch build.







In meantime, during fuselage build i ordered all the COX related stuff for this model, dark green and light blue Monocote, props and spares and some 3 months took me to complete all the bits delivered, so, finishin work on this model could be done in next few weeks.



40 years later, will keep spinning Super Stunter again.



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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  getback on Mon Apr 02, 2018 8:20 am

Very Nice ! You have done a great job of recreating the plane from image . Hope to get to see the finished product . Popcorn
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  Mark Boesen on Mon Apr 02, 2018 8:37 am

Have you tried to balance it out, I wonder if you using the same movements as the plastic version you might end up nose heavy as balsa would build considerably lighter?
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  KariFS on Mon Apr 02, 2018 8:51 am

Nice work! As a firm ”Believer in Balsa”, I am pretty sure yours will fly better than the original Thumbs Up

By the way, Bernie has Super Stunter canopies for sale:

https://coxengines.ca/cox-me-109-canopy.html
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  pegin964 on Mon Apr 02, 2018 9:00 am

Mark Boesen wrote:Have you tried to balance it out, I wonder if you using the same movements as the plastic version you might end up nose heavy as balsa would build considerably lighter?
Thanx for the note, will certainly have in mind this, checking CG before final work done and first flight.
BTW, have no data for AUW for Super Stunter. Any clue for this, to compare it with my Balsa build.

Thanx also for the canopy hint, already do two orders from Bernie's EBAY store, both delivered fast and safe, with all the COX parts and stuff need for this build, but canopy will do by vacuforming from lt. blue PET foil, already made a vacuforming plug, will be much lighter and  fits to fuselage better, with original COX one will have to do some modifications and trimming.

Will keep posting with further build progress.

RGDS
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That's sweet!

Post  944_Jim on Mon Apr 02, 2018 5:15 pm

Awesome build...any chance you will publish plans? Even parts tracings would make this easy enough to have others follow suit.
Thx!
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  oldguy on Mon Apr 02, 2018 11:30 pm

Nice looking build.
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  pegin964 on Tue Apr 03, 2018 3:11 am

944_Jim wrote:Awesome build...any chance you will publish plans? Even parts tracings would make this  easy enough to have others follow suit.
Thx!
Currently have only provisional drawings made in Corel , but later will complete it in proper (PDF) form and post it here.
Stay tuned...
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  batjac on Tue Apr 03, 2018 12:56 pm

pegin964 wrote:BTW, have no data for AUW for Super Stunter. Any clue for this, to compare it with my Balsa build.
RGDS

If my memory serves, it was 11 ounces.  If I remember, I'll weigh mine tonight and post the weight. The balsa should have no problem coming up well below the plastic plane weight.

The Hazy Mark
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  fredvon4 on Tue Apr 03, 2018 1:21 pm

Just me--- but one photo shows a giant amount of rudder offset....I would reduce that to near zero but ensuring some minor amount and be sure the engine is offset 1 to 3 degrees

Not gonna happen but I had planned to make two or three balsa versions of some Cox RTF planes....like the Viper

May still do a build one day.... but since hot wire cutting is too easy....I plan foam wing panels
Or just sanding to shape some of my combat wing cores from Phil Cartier...aka Core House
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  akjgardner on Tue Apr 03, 2018 4:53 pm

thats lookin good. It would make a good little 1/2 rc flyer as well
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  Marleysky on Tue Apr 03, 2018 6:51 pm




uote="batjac"]
pegin964 wrote:BTW, have no data for AUW for Super Stunter. Any clue for this, to compare it with my Balsa build.
RGDS

If my memory serves, it was 11 ounces.  If I remember, I'll weigh mine tonight and post the weight.  The balsa should have no problem coming up well below the plastic plane weight.

The Hazy Mark[/quote]

In case Mark doesn’t come out of the haze.  Cool   My really old SuperStunter weighed in at 8.1oz. With out engine
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  getback on Tue Apr 03, 2018 7:46 pm

Them is some skinny asas wingz. RC Plane Easter Bunny OK i see them now under the fuse @@ Very Happy


Last edited by getback on Tue Apr 03, 2018 7:48 pm; edited 1 time in total (Reason for editing : Duh)
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Re: COX Super Stunter - Balsa build ... 40 years later..

Post  batjac on Wed Apr 04, 2018 5:28 pm

Okay, I was a little off.  Without any decals or anything it comes to 10.15 ounces.  That's with the standard spinner nut.  I believe there was a slightly heavier spinner nut that came with these, but I don't have one here.




The Slightly Less hazy Mark
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Re: COX Super Stunter - Balsa build ... 40 years later..

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