- The ROKS-2 and ROKS-3 (Shortened from Russian,
Rantseviy Ognemyot Kluyeva-Sergeyeva; Ранцевый Огнемёт Клюева — Сергеева; "Kluyev-Sergeyev
backpack flamethrower")...
- savings. In 1911 he
created his
first parachute RK-1 (which
stands for
Rantseviy (knapsack) or
Russian Kotelnikova (by Kotelnikov), 1st model), that was...