Hydrofoil and r-7 rocket: what they have in common
- Step 1. Hydrofoil — works like — Ekranoplan. Both were invented by Alekseyev: lift near the water’s surface.
- Step 2. Ekranoplan — has part — Turbojet engine. A turbojet.
- Step 3. Turbojet engine — uses — Kerosene. Jet fuel is kerosene.
- Step 4. Kerosene — is material for — R-7 rocket. The fuel is kerosene.