{"id":6363,"date":"2019-03-30T12:00:00","date_gmt":"2019-03-30T12:00:00","guid":{"rendered":"https:\/\/astronautix.com\/?astx_entry=angara11"},"modified":"2026-10-22T18:43:23","modified_gmt":"2026-10-22T18:43:23","slug":"angara11","status":"publish","type":"astx_entry","link":"https:\/\/astronautix.com\/a\/angara11.html","title":{"rendered":"Angara 1.1"},"content":{"rendered":"\n<p>Russian orbital launch vehicle. The initial flight version would be the Angara 1.1, featuring a single URM core module with the existing Briz upper stage. Payload would be 2.0 metric tons to a 200 km \/ 63 deg orbit). Other vehicle variants were numbered according to the number of URM's.<\/p>\n<p><em>LEO Payload:<\/em> 2,000 kg (4,400 lb) to a 200 km orbit at 63.00 degrees.<\/p>\n<p><em>Stage Data - Angara 1.1<\/em><\/p>\n<ul><li>Stage 1. 1 x Angara UM. <em>Gross Mass<\/em>: 140,000 kg (300,000 lb). <em>Empty Mass<\/em>: 10,000 kg (22,000 lb). <em>Thrust (vac)<\/em>: 2,094.700 kN (470,907 lbf). <em>Isp<\/em>: 338 sec. <em>Burn time<\/em>: 300 sec. <em>Isp(sl)<\/em>: 310 sec. <em>Diameter<\/em>: 2.90 m (9.50 ft). <em>Span<\/em>: 2.90 m (9.50 ft). <em>Length<\/em>: 25.00 m (82.00 ft). <em>Propellants<\/em>: <strong>Lox\/Kerosene<\/strong>. <em>No Engines<\/em>: 1. <em>Engine<\/em>: <strong>RD-191<\/strong>. <em>Status<\/em>: Development 2004. <em>Comments<\/em>: Can be throttled to 95%. Propellant ration 2.6:1, chamber pressure 257 bar. <\/li><\/ul>\n<ul><li>Stage 2. 1 x Angara Briz M. <em>Gross Mass<\/em>: 6,565 kg (14,473 lb). <em>Empty Mass<\/em>: 1,600 kg (3,500 lb). <em>Thrust (vac)<\/em>: 19.600 kN (4,406 lbf). <em>Isp<\/em>: 326 sec. <em>Burn time<\/em>: 1,000 sec. <em>Diameter<\/em>: 2.50 m (8.20 ft). <em>Span<\/em>: 2.50 m (8.20 ft). <em>Length<\/em>: 2.61 m (8.56 ft). <em>Propellants<\/em>: <strong>N2O4\/UDMH<\/strong>. <em>No Engines<\/em>: 1. <em>Engine<\/em>: <strong>S5.98M<\/strong>. <em>Status<\/em>: Development 2004. <em>Comments<\/em>: 8 restarts. Propellant ration 2.0:1. <\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Russian orbital launch vehicle. The initial flight version would be the Angara 1.1, featuring a single URM core module with the existing Briz upper stage. Payload would be 2.0 metric tons to a 200 km \/ 63 deg orbit). Other vehicle variants were numbered according to the number of URM's.<\/p>\n","protected":false},"template":"","meta":{"inline_featured_image":false,"bs_cache_bypass_cache":0},"astx_kind":[49],"astx_nation":[3],"astx_family":[24],"class_list":["post-6363","astx_entry","type-astx_entry","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/astx_entry\/6363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/astx_entry"}],"about":[{"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/types\/astx_entry"}],"wp:attachment":[{"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/media?parent=6363"}],"wp:term":[{"taxonomy":"astx_kind","embeddable":true,"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/astx_kind?post=6363"},{"taxonomy":"astx_nation","embeddable":true,"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/astx_nation?post=6363"},{"taxonomy":"astx_family","embeddable":true,"href":"https:\/\/astronautix.com\/wp-json\/wp\/v2\/astx_family?post=6363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}