Rivale (oz12123)


Rivale (oz12123) by Jaromir Pipek 1987 - plan thumbnail

About this Plan

Rivale. Radio control sport model. Wingspan 850 mm.

Direct submission to Outerzone.

Update 29/5/2023: Added article, thanks to rocketpilot.

Quote (google-translated from the German): "This small, lightweight model can do more than meets the eye. The engine, which is quite powerful in relation to the size of the model, makes this mini plane a fast, very manoeuvrable aircraft that fully absorbs the attention of the model pilot, but which never gets boring when flying. The rival has an 'oldtimer look' without being a semi-scale model. The design was therefore not inspired by a model.

Basic information on construction: The rule applies here too: the smaller a model is, the more important it is to have a low weight. So it has to be built very lightly, use only selected, light wood, use glue sparingly, choose light covering. Of course, not every remote control can be installed. The American 'Cannon' system with four Super Micro servos is built into the Rival blueprint, but there are now several comparable lightweight receiving systems on the market. The mini model has a detachable wing so that you can use it for Transport can be stowed away in the smallest of spaces.

The fuselage: two side panels made of 2 mm balsa are reinforced with 3 mm balsa in the middle part (wings, servo compartment). In the rear part, 3 mm balsa strips serve as reinforcement. Once we have prepared the side parts, frames 1, 2, 3 are glued in. The side parts are glued together at the end of the fuselage and the bars made of 3 x 3 mm balsa are also installed. We glue the bracket for the landing gear together from 2 mm plywood and attach it to the bottom of the fuselage. Then we glue them Bowden cables and plank the fuselage with 2 mm balsa.

At the top, in front of the wing, there is a removable cover (0.6 mm plywood), which allows easy access to the tank and the engine mount at all times. The lid is covered with 4 mm balsa from above and this is then adapted to the fuselage contour by grinding. The wing is held in the fuselage to a 5mm plywood stay with nuts glued in. Lateral reinforcements made of 2 mm plywood are glued in under this bridge. The engine smoke is reinforced internally with 0.6 mm plywood. Now the hull can be sanded..."

Supplementary file notes



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Rivale (oz12123) by Jaromir Pipek 1987 - model pic

  • (oz12123)
    by Jaromir Pipek
    from FMT
    November 1987 
    33in span
    clean :)
    formers unchecked
    got article :)
  • Submitted: 05/04/2020
    Filesize: 453KB
    Format: • PDFbitmap
    Credit*: KLH
    Downloads: 1233

Rivale (oz12123) by Jaromir Pipek 1987 - pic 003.jpg
Rivale (oz12123) by Jaromir Pipek 1987 - pic 004.jpg
Rivale (oz12123) by Jaromir Pipek 1987 - pic 005.jpg
Rivale (oz12123) by Jaromir Pipek 1987 - pic 006.jpg

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User comments

Not many outside the Czech Republic and Slovakia might know who is behind that name J Pipek. Well J stands for Jaromir and JP is without doubt one of the most important and most innovative modelbuilders of former Czechoslovakia and now the Czech Republic. His constructions were often very simple and thus ideal for beginners. Many modellers started their career with a plan from Pipek. Soon his fame became known elsewhere in Europe. Influential modelbuilder-periodical Flug Modell Technik (FMT) for example sold Pipek plans in Austria and Germany. I don't know whether Pipek is still alive but if so he deserves a great big salute from every decent modelbuilder. Pipek acted also as an author, see: http://www.khmm.cz/author/jaromir/
RobertS - 25/04/2020
Dear Steve & Mary, Attached are some pictures of my recently completed Rivale [main pic, 003-005]. It is powered by a 1806 2280kv brushless drone motor with a 6x4 propeller and a small 950mah 2s lipo. Weight with lipo is 285gr.
I completed the plane more or less according plan. The only major change is a slightly longer fuselage nose to help getting a correct balance as the motor is very light. The Rivale flies great!
Many, many thanks for Outerzone!!!
Best Regards,
Peter Ingels - 21/09/2020
Peter; Exactly a Vicompte with roller speed. Beautifully finished. Nowadays many electric kites, but I still prefer to fly with Glow. Here at home in Ursel with a maximum of 4 cc 2 and 4 stroke. I only fly electric with glider and helicopter. Greetings from Julien Vermeire.
Julien Vermeire - 22/09/2020
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