Coin-Foo (oz5265)


Coin-Foo (oz5265) by Dean Swift 1979 - plan thumbnail

About this Plan

Coin-Foo. 1/2A radio control sport model.

Quote: "Does this little 1/2A sport flyer look like a Counter-Insurgency fighter to you? Me niether. But it sure looks like fun. Coin Foo, by Dean Swift.

The Coin-Foo does have three good things going for it. Good Thing No. 1: This little turkey is dead simple to build. Consequently, construction time is minimal - and no one seems to have 'enough time' anymore. So if you just tried cleaning the gunk off your 1/2A foam ARF with gasoline and all you have to show for it is an extra radio and a handful of mush - don't despair. Coin-Foo is closer than you think.

Good Thing No. 2: Coin-Foo expands your available flying time. A normal evening's R/C flying goes something like this - drag the 8 lb beast out of the basement. Stuff assorted pieces in your car. Drive 10 miles to the field and assemble assorted pieces. Fly two quick flights. The sun sets. Reversing the above procedure puts you back in the basement cleaning up the mess an hour later. Your children are in bed and the wife is glaring at you. At this time the moon sets.

With Coin-Foo you can wait till the sun sets, carry it out of the house in one piece, walk to the corner school yard and fly four or five times during the twilight. While walking home clean it with a quick swipe of your ever-present rag and hand glide it down the basement stairs. Now go sit on your old front porch and watch the moon rise.

Good Thing No. 3: The Coin-Foo performs well. With those large control surfaces set for minimum movement the response is gentle and stable. In fact, Coin-Foo will free-flight, as two local builders have proved by launching with the receiver switched off. If this happens to you don't think you're going to 'luck-out' with a simple crash, this bird requires running shoes to recover under switch-off flying conditions.

On the flip side of the coin, if loops, snaps, etc are your bag just move those devises in on the horns and have at it. Hang on!

Well, that's about the story on this little hummer. I have allowed myself to ramble on with the introduction as building instructions are short. For what it's worth, here is what I have to offer concerning construction.

Fuselage: A couple of items are worth pointing out, Notice the fuselage bottom from the trailing edge of the wing to the firewall is 1/16 in plywood. This lends itself to mounting equipment with scervotape better than 1/16 in sheet balsa, Also adds extra strength to the front end should you ever assault the ground. The landing gear is trapped between the recessed rear of the fuel tank and firewall if a reed-valve Cox engine is used. This is a quick and easy method of mounting engine, tank and landing gear, usually a time-consuming process on most R/Cs..."

Contributed by Jeff McCammant of Story City Iowa.

Quote - "Hi Steve - I didn't see this one on your list so here it is - the Dean Swift Coin Foo 1/2A R/C. The wingspan is supposed to be 35.5in The model was built summer of 2013... It is an amazing flyer! Best Regards,"

Direct submission to Outerzone.

Update 11/12/2017: Added PDFvector and CAD versions of this plan drawing, thanks to MikeSierra67.

Quote: "Dear Friends Steve and Mary. I'm sending you another new CAD redraw. This time is the "Coin Foo" by Dean Swift (Outerzone planID: oz5265). Like usually, I've add the PDF plan, plus the DWG and DXF files. Greetings, and Merry Christmas, Mike."

Supplementary file notes

Article pages, text and pics.
CADfile (in both DWG and DXF formats).
PDFvector plan drawing.

CAD file

This plan is available for download in CAD format.


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Coin-Foo (oz5265) by Dean Swift 1979 - model pic

  • (oz5265)
    by Dean Swift
    from Model Airplane News
    August 1979 
    36in span
    IC R/C Cabin
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 20/01/2014
    Filesize: 333KB
    Format: • PDFbitmap • PDFvector • CADfile
    Credit*: Jeffmac, MikeSierrra67
    Downloads: 5160

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Coin-Foo (oz5265) by Dean Swift 1979 - pic 004.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 005.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 006.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 007.jpg
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Coin-Foo (oz5265) by Dean Swift 1979 - pic 009.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 010.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 011.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 012.jpg
Coin-Foo (oz5265) by Dean Swift 1979 - pic 013.jpg

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User comments

Built from this plan in Feb 2014 [see more pics 004]. Very easy to build and flies a dream, used electric power instead of the .049
ronstv - 09/04/2014
Here are a couple pictures of a Coin-Foo I built from your plans [see more pics 005, 006]. I remember this model from when the article first came out in MAN, I was 13 years old then. I built mine faithful to the plans, except for electric power. E-Flite Park 300 with 2S 1350mah. It's a great sport flier. Thanks to Dean for the design and Outerzone for hosting this great service to all of us who still like to cut balsa.
paulbalint - 10/07/2015
I built a Coin-Foo back in the early 80s using an Ace 36 inch constant chord foam wing. That little bird flew great. I could bring it in slow enough to actually catch it!
DRDaniels - 25/06/2016
Hi Steve, Pictures of Coin Foo built from plan 5265 [more pics 007-011]. I live at 8500ft ASL, she performed great on a Rimfire 200 motor, battery 2s 500 7.5volts, 8x4 propeller. Total weight 14oz. Great park flyer. My first flight after 20 years, now I am retired in the mountains of Colombia enjoying this great hobby again. Thanks for providing us for a great source of plans for our projects.
EnriqueAlvarado - 25/11/2016
hey is this 2ch only? i mean throttle and rudder only?
balfas - 12/07/2023
2 channel, rudder and elevator, cox engine has muffler. Pit
Pit - 12/07/2023
I don't see a muffler in any of the e-power photos, where can I buy one? TIA.
Miguel - 13/07/2023
hey can i make it rudder only i dont want to add elevator just rudder?
balfas - 20/07/2023
Balfas, with a few mods you could convert to rudder only.
1. Increase dihedral to 6 degrees per panel. A bit of wash-out would be good, just don't allow warps or wash-in.
2. Add 3 degrees of decalage by either raising the wing leading edge with shims or lowering the trailing by modifying the fuselage. Leave the stab alone.
3. Consider adding motor downthrust, 3 degrees or so probably needed to counteract the increased lift.
4. Probably not necessary but consider adding sweep to the fin and rudder, ala Cessna style. A few degrees would help in holding up the nose when turning.
5. Consider adding a slight bit of area to the fin to compensate for the increased forward area due to the dihedral increase. Don't add unless needed. The C/G should remain where shown or slightly forward.
6. If flying with just rudder control, no throttle, trim so the climbing angle approximates the downward glide angle.
7. If you are using an escapement system, trim for about 150' to 200' radius constant turn to the right, against torque, under power and glide. Otherwise, straight ahead is fine.
Please post your results.
Bill H - 20/07/2023
Some photos of my model Coin Foo, from Oz plans [main pic, 013]. From Chile,
Paulo Bahamondes - 08/06/2024
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Download File(s):
  • Coin-Foo (oz5265)
  • Plan File Filesize: 333KB Filename: Coin_Foo_oz5265.pdf
  • Supplement Filesize: 563KB Filename: Coin_Foo_oz5265_article.pdf
  • Supplement Filesize: 132KB Filename: Coin_Foo_oz5265_vector.pdf
  • CAD Zip Filesize: 93KB Filename:
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