RD-171 Tee

The RD-171 [РД-171] is the most powerful liquid fueled rocket engine ever produced. It's a quad chambered oxygen rich staged combustion cycle engine producing 7,904 kN of thrust in a vacuum and 337s of specific impulse. It's sibling the RD-170 briefly powered the mighty Energia Rocket for its 2 and only highly successful flights. Meanwhile the RD-171 still flies today on the Zenit family of rockets. "Двигатель первой ступени ракеты Зенит" translates to Zenit Booster Engine. PRODUCT SPECS Classic fit Unisex sizing  100% Airlume combed and ring-spun cotton