The original Whatsit was designed by the great American model builder Frank Ehling (1914-2001) and was published in the 1/1942 issue of Airplane News. What made the Whatsit so distinctive and unique was that no one could tell for sure what it really was. — Was it a biplane without a horizontal stab? Was it…

Laidak RPU 30 is a 61 cm wingspan balsa monoplane with a conventional empennage and detachable wing, designed for use with the RPU 30 rubber power unit. With a flight-ready weight of 46 g, this model is easy to build from few parts and offers a smooth, glider-like flight profile. Reinforced and balanced for reliability, it combines…

Farshwind RPU 30 is a large balsa monoplane with a glider-like silhouette, detachable wing, and clean V-tail, designed for use with the RPU 30 power unit. With a 65.5 cm wingspan and 77 g flight-ready weight, it offers excellent stability and portability, reinforced for durability and easy to assemble from few parts. Its name, Farshwind! (פֿאַרשווינד), Yiddish…

Golub RPU 20 is a sleek balsa monoplane with a glider-like design, V-tail, and smooth flight characteristics, built for use with the RPU 20 power unit. With a wingspan of 56.5 cm and a ready-to-fly weight of 58 g, it features reinforced elements, clean assembly, and reliable balance. Named Golub (голуб), the Ukrainian word for “pigeon,” this…

La Cimice Verde RPU 20 is a glider-style balsa monoplane with a V-tail and profiled sheet wing, designed for use with the RPU 20 power unit. With a wingspan of 59 cm and a ready-to-fly weight of 69 g, it offers smooth handling and elegant flight. The model is reinforced with wing ribs and linen banding for…

The original Ar 79 was an aerobatic two-seat trainer and touring aircraft from Germany. First flight took place in 1938 and 72 examples were built all together. One survived and is currently on display in a museum in Berlin. The Ar 79 had a retractable tailwheel undercarriage and was of mixed (material) construction. Although not…

Buvaj RPU 20 is a high-wing balsa monoplane with a profiled sheet wing and functional landing gear, designed for use with the RPU 20 power unit. With a 44 cm wingspan and a ready-to-fly weight of 46 g, this model offers refined flight characteristics and a more complex build than typical beginner kits. Reinforced with ribs and…

The projected Schehak single seat sport and leisure tandem was never built as its designer D. Schehak from Hamburg/Germany died prematurely. A three-view of the plane and some basic information were given in the 19/1937 issue of „Flugsport“ magazine. These drawings were the basis for my model. Powerplant would have been a 20 hp piston…

Kırlangıç RPU 40/30 is a large, glider-style balsa monoplane with a V-tail and detachable wing, designed for use with either the RPU 30 or RPU 40 power unit. With a span of 75 cm and a base weight of 75 g (up to 100 g ready to fly), it offers smooth, stable flight and easy transport. Built from…

Snunit RPU 30 is a large, glider-style high-wing balsa monoplane with a V-tail, designed for use with the RPU 30 rubber power unit. With a wingspan of 62.5 cm and a ready-to-fly weight of 61 g, it combines elegance and simplicity in both appearance and construction. Reinforced for durability and balanced for smooth flight, the model is…