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…

Lastivka RPU 20 is a sleek, glider-like balsa monoplane with a V-tail, designed for use with the modular RPU 20 rubber power unit. With a wingspan of 39.5 cm and a ready-to-fly weight of 43 g, it offers smooth handling and an elegant profile in flight. Easy to build from minimal parts and reinforced with a lightweight…

Cuesta menos de lo que crees RPU 20 is a high-wing, stubby balsa monoplane designed for use with the modular RPU 20 power unit. With a 45.5 cm wingspan and ready-to-fly weight of 45 g, it offers easy assembly, good flight performance, and a playful look. The name, Spanish for “It costs less than you think,” reflects…

A light, low-wing balsa model with a stubby design and solid flight performance. Built for use with an RPU 20 — a detachable rubber power unit made from common materials like skewers, rubber, and Velcro. The same RPU can be used across multiple models. The name, in Spanish, means: Appearances are deceiving.