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R-56 Polyblock
Part of R-56
R-56 test model
R-56 test model
R-56 dynamic test model
Credit: © Mark Wade
Ukrainian heavy-lift orbital launch vehicle. One design approach considered for Yangel's R-56 superbooster of the 1960's was a polyblock design limited to rail transport restrictions (4 x 3.8 m diameter stages clustered together). Although a dynamic test model was built and tested at TsNIIMash, Yangel finally reached the conclusion that a monoblock design was clearly superior to polyblock versions. Further work on the polyblock design was abandoned. TsNIIMash exhibits in its small museum the 1:10 structural simulation model of the 3.8 m diameter polyblock design.

AKA: 8K68;R-56. Status: Study 1961. Payload: 35,000 kg (77,000 lb). Thrust: 16,549.00 kN (3,720,363 lbf). Gross mass: 1,165,500 kg (2,569,400 lb). Height: 51.50 m (168.90 ft). Diameter: 7.60 m (24.90 ft).

Payload: 35,000 kg (77,000 lb) to a 16,000 km range.

Stage Data - R-56 Polyblock



Family: heavy-lift, orbital launch vehicle. Country: Ukraine. Agency: Yuzhnoye.
Photo Gallery

R-56 test modelR-56 test model
R-56 dynamic test model C
Credit: © Mark Wade


R-56 - detail viewR-56 - detail view
R-56 - detail view of interstage of test model of monster rocket
Credit: © Mark Wade


R-56 test modelR-56 test model
R-56 dynamic test model
Credit: © Mark Wade


R-56, R-26, 63S1R-56, R-26, 63S1
From left to right, dynamic test models of: R-56 monster launch vehicle; R-26 ICBM; Kosmos 63S1 launch vehicle
Credit: © Mark Wade



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