BICh-7A
By Laddie Mikulasko
A little known early Russian flying wing makes for a great sport scale electric!
AT A GLANCE Type:
Construction: Wing span: Wing area: Length: Weight:
PHOTOGRAPHY: LADDIE MIKULASKO T 18
his unusual flying wing was a brain child of prolific Russian designer Boris Ivanovich Cheranovskij. He was a pioneer in designing flying wing
aircraft. When he had just entered the Zhukovskii Academy in 1922, he proposed to build the flying wing design with parabolic platform. He was rejected, but the wing tunnel tests showed soundness of this type of wing planform. He built a simple glider, the BICh-1.
Using the BICh-1 design, he built several
similar looking designs, one of which was a BICh-7A. The full size plane was flown in 1932. It was reported that the BICh-7A had good flying characteristics, good directional stability and good response to the pilot in- puts. The plane was powered by a 100 hp Bristol Lucifer engine. The maximum speed was 165 km/h (102 mph). For a while I was looking at building the
Wing loading: Prop:
Motor: ESC:
Battery: Radio:
Servos:
R/C electric scale balsa and ply 48 inches 506 sq. in. 20 inches 24 ounces
6.8 oz./sq.ft. 9–6
Hacker A-20 30-amp
3S 2200 mAh Li-Po 3–4-channel 3 standard
SEPTEMBER 2012
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