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 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…

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…

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…

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…

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…

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…

No hay más cerveza en la nevera RPU 20 is a fast-flying shoulder-wing balsa monoplane featuring a pilot silhouette, detachable landing gear, and clean lines powered by the RPU 20 unit. With a 43 cm wingspan and a ready-to-fly weight of 46 g, it offers impressive forward stability and characterful style. Its playful name, Spanish for “There…

No hay más cerveza en la nevera RPU 30 is an enlarged, shoulder-wing balsa monoplane with a pilot silhouette and removable landing gear, designed for either RPU 30 or RPU 40 use. With its profiled sheet wing, 54.5 cm span, and 91 g flight weight (with landing gear and RPU 40), this model delivers steady performance and…

Regularly going through various defense reports one certain design caught my attention, that of the Russian kamikaze drone Zala-Lancet.