Head to head

Tsiklon-3 vs Vostok 8A92M

Two vehicles in the same payload class. Every figure below comes from the same two sources for both rockets, and a row appears only when both publish the input.

Payload to low Earth orbit

Relative

Tsiklon-3: 4,100 kg

Vostok 8A92M: 3,800 kg

Side by side

8 comparable figures

The highlighted value wins the row. Rows where neither direction is better, like length or stage count, highlight nothing.

Metric	Tsiklon-3	Vostok 8A92M
Flights flown	122	93
Success rate	94.3%	98.9%
Payload to LEO (kg)	4,100	3,800
Liftoff thrust (kN)	2,713	3,996
Length (m)	39.27	30.84
Diameter (m)	3	2.99
Launch mass (t)	189	282
Stages	3	2

Tsiklon-3

Flight record

94.3% success rate115 of 122 flown · 7 failed

1977peak 1985 · 12 flights2009

Maiden flight 1977-06-24. Retired.

Vostok 8A92M

Flight record

98.9% success rate92 of 93 flown · 1 failed

1964peak 1979 · 8 flights1991

Maiden flight 1964-08-28. Retired.

Tsiklon-3 is built by Yuzhnoye Design Bureau of Ukraine.Vostok 8A92M is built by RKK Energiya of Russia.

Full specifications and the complete launch history for each: Tsiklon-3 · Vostok 8A92M.

Specifications from Launch Library 2 by The Space Devs, launch records from Space Index. Derived figures are computed here; see sources and method.