Tag: RC1

1st TOC, Tournament of Champions 1974

14. January 202622. January 2026 Editor No comments

In 1974, Bill Bennett, president of the Circus Circus Group in Las Vegas, launched the very first competition between the best F3A pilots of the time. The world’s best pilots were invited by the hotel. For the first time ever, prize money was offered. The event was named the Tournament of Champions, or TOC for short.

Wolfgang Kosche`s KOGI

10. January 202612. January 2026 Editor No comments

Today, I would like to introduce you to the aerobatic model of the 1972 German F3A Aerobatic Champion Wolfgang Kosche. The model was called ‘KOGI’. KOGI stands for ‘Kosche-Gilik’, the abbreviations of Wolfgang Kosche and Erich Gilik.

Franz Mayr’ s Pico 5

10. December 202511. December 2025 Editor No comments

Franz Mayr from Augsburg was a top German F3A pilot in the 1980s. He designed and built his own F3A aerobatic aircraft back in 1973. He called it PICO.

One of the German legends, Karl Blauhorn

6. December 202511. December 2025 Editor No comments

Here are photos from the early days of RC motorised flight – Munich legend Karl Blauhorn. In the early 1960s, the Munich model flying club IFM München was one of the first model flying clubs in Germany.

Guenter Hoppe`s Sultan 5

3. December 202511. December 2025 Editor No comments

Guenter Hoppe qualified for his second F3A World Championship in Springfield in 1977. To do so, he needed a new competition aircraft. No sooner said than done, together with his mate. His Sultan aerobatic models, which he had used until then, served as the basis. They built a prototype and then produced a mould.

Marabu Trainer

5. November 202517. November 2025 Editor No comments

Finally, I present the Giezendanners’ aerobatic trainer design. There are two aircrafts in this new replica series: one is flown by Urs Leodolter, and the other is flown by me. After winning the F3A World Championship title in 1969 in Lemwerder/Bremen, Bruno Giezendanner and his brother Emil decided to develop and build a Marabu trainer.

Hanno Prettner`s Super Sicroly II

28. October 202517. November 2025 Editor No comments

Austrian Gerald Zikulnig is an enthusiastic model builder and especially a convinced Hanno Prettner fan. He now owns several Prettner constructions. Among other things, he built a beautiful ‘Super Sicroly II’ which I present to you here.

Hanno Prettner`s Primero 120

30. August 202517. September 2025 Editor No comments

Retroday 2025: Urs Leodolter presents one of his latest achievements: The PRIMERO 120 by Hanno Prettner.

Guido Patrocini`s Thunderstormer

20. August 202522. August 2025 Editor No comments

As every year, our Swiss friend Guido Patrocini presents his new classic car. The year is 2017 and everyone was excited to see what Guido would bring to Retroday this year. Everyone was surprised: THUNDERSTORMER by the American Doug Spreng was this year’s turn.

Pierre Marrot`s Styx

1. July 20252. July 2025 Editor No comments

Here is the world championship model Styx by Pierre Marrot, multiple French aerobatics champion and RC equipment manufacturer at Radio Pilot. Patrick Coly kindly provided me with some photos.