Don Kichot (oz9158)


Don Kichot (oz9158) by Peter Miller 1985 - plan thumbnail

About this Plan

Don Kichot. Radio control scale model Polish homebuilt. For .40 cu in engines. Pusher prop layout. Scale is 1/4.

Quote: "The title is the way the Polish translate what we know as Don Quixote, the name given to a very interesting Polish home-built aircraft with pusher prop, presented here in one-quarter size for a .40 four-cycle and four-channel controls.

THIS IS A home-built aircraft that was designed and constructed in Poland by Jaroslaw Janowski with assistance by Withold Kalita. Work was started on the plane in 1967, and the first flight was made in July 1970. Although information is hard to come by, I am told that the builder was killed in the aircraft two or three years ago. Another Don Kichot is reported to be under construction in Poland, and there are rumors of one being built in England.

I came across a three-view drawing of this aircraft several years in a copy of Modetarz, the Polish modeling magazine, and the design stuck in my mind. Later, I obtained a superb set of photos of the full-size plane taken by well-known Polish Scale modeler Lech Podgorski (via friend Piotr Zawada, Poland's top CL Aerobatics pilot), who was building a 1/3-scale version for RC. These photos finally spurred me on to build the model which is the subject of this article. The model is so nice that I can't understand, now, why I didn't start it sooner.

The model is 1/4-scale, which means that it can be flown in Giant Scale events even though the wingspan is only 76 in. Mine has more than enough power with an Enya .40 four-cycle. A good .29 two-cycle engine would be fine, but be warned that too much power could be worse than too little for this airplane. Podgorski's 1/3-scale version has an OS FS60, but he recommends a .40 two-cycle.

This model is very easy to build. It flies well and is mildly aerobatic (but aerobatics for this plane is definitely non-scale); however, these maneuvers prove that the .40 four-cycle power is adequate. The prototype used a flat twin two-cycle engine. The three-views show a cowling over the engine, but I have never seen a photo of the full-size plane with the cowl fitted in place. This means that the non-scale model engine is exposed, as is the tank, but this does have the benefit of allowing you to check the fuel level in the tank when you make a slow, low flypast.

There is room in the model to hide any imaginable radio equipment and still have a fully-detailed cockpit. In fact, with that vast glass house, it just wouldn't be right not to fill the cockpit with a full-length pilot figure, details of which are shown on the plan. You may wish to stow the receiver in the pilot figure, as I did.

One big advantage with this pusher layout is that you will never stop the engine by nosing over. If you do manage to break a prop, that broken prop will be the least of your worries.

Speaking of the prop, its position closeto the trailing edge of the wing and cabin generates a high-pitched scream. I haven't found a way to stop it, but I have found that it is quieter with some props than with others. The sound l get is probably more scalelike than the usual pleasing purr of a four-cycle engine.

A word of caution about the prop location. A friend of mine, an experienced modeler who is used to helping me with this model, was going to carry the Don Kichot to the takeoff strip, but he lost concentration for a moment and reached for thetrailing edge of the wing. It took 11 stitches to mend his finger. Props in an unusual place can mean props in a painful place. Do take care, please.

Fuselage: Make the two basic sides first. Note that the ply doublers have a long chamfer at the rear end so the longerons can make a smooth transition from the ply to the balsa sides. The longerons are 1/8 x 1/4 this makes curving the sides at the nose easier and doesn't reduce strength too much.

Cut out all the formers and the ply engine mount. The engine mount must be of the best quality 3/8 plywood available, preferably the seven-ply type. Assemble the engine mount and F5 and F6..."

Don Kichot, Model Aviation, March 1985.

Direct submission to Outerzone.

Supplementary file notes

Article pages, thanks to RFJ.


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Don Kichot (oz9158) by Peter Miller 1985 - model pic

  • (oz9158)
    Don Kichot
    by Peter Miller
    from Model Aviation
    March 1985 
    75in span
    Scale IC R/C Pusher Civil
    clean :)
    all formers complete :)
    got article :)
  • Submitted: 29/08/2017
    Filesize: 1919KB
    Format: • PDFbitmap
    Credit*: Circlip, RFJ
    Downloads: 327

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