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Statements

Subject Item
dbr:Megaroc
rdf:type
wikidata:Q41291 owl:Thing dbo:MeanOfTransportation dbo:Rocket
rdfs:label
Megaroc Megaroc
rdfs:comment
Megarocはかつて英国惑星間協会で計画された有人弾道宇宙飛行の計画。 Megaroc was a British proposal for an crewed suborbital derivative of the V2 proposed by R A Smith of the British Interplanetary Society. The proposal was sent to the British Ministry of Supply on 23 December 1946. Though slightly smaller the vehicle had a lot in common with the Mercury-Redstone Launch Vehicle that would put the first American in space some 15 years later. The vehicle was proposed several months after a similar V2-derived rocket, the Soviet Tikhonravov Suborbital proposal.
foaf:name
Megaroc
dbp:name
Megaroc
dcterms:subject
dbc:Space_launch_vehicles_of_the_United_Kingdom dbc:Space_programme_of_the_United_Kingdom dbc:History_of_science_and_technology_in_the_United_Kingdom
dbo:wikiPageID
50855166
dbo:wikiPageRevisionID
1122811042
dbo:wikiPageWikiLink
dbc:History_of_science_and_technology_in_the_United_Kingdom dbc:Space_launch_vehicles_of_the_United_Kingdom dbr:LOX dbr:Human-rated dbr:Sub-orbital dbr:Launch_vehicle dbr:Ethyl_alcohol dbr:Mercury-Redstone_Launch_Vehicle dbr:V-2_rocket dbr:British_Ministry_of_Supply dbc:Space_programme_of_the_United_Kingdom dbr:British_Interplanetary_Society
owl:sameAs
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dbp:success
0
dbp:status
Cancelled
dbp:stages
1
dbo:abstract
Megarocはかつて英国惑星間協会で計画された有人弾道宇宙飛行の計画。 Megaroc was a British proposal for an crewed suborbital derivative of the V2 proposed by R A Smith of the British Interplanetary Society. The proposal was sent to the British Ministry of Supply on 23 December 1946. Though slightly smaller the vehicle had a lot in common with the Mercury-Redstone Launch Vehicle that would put the first American in space some 15 years later. The vehicle was proposed several months after a similar V2-derived rocket, the Soviet Tikhonravov Suborbital proposal. Though derived from the V2 very few parts remained in their original form. While the origin and turbo pumps were largely the same their orientation was changed. The tankage was of greater radius and length to carry an increased fuel load party offset by a lighter payload. The stabilisation fins at the base of the V2 were removed and the rocket was made to spin slightly to improve stability. This is now a common feature of rockets but was unusual for early rockets. The explosive warhead was replaced with an unpressurised capsule, the pilot relying on a suit for life support. As the rocket climbed and acceleration built with the reduction in mass, the pilot could reduce the thrust to limit the g load to 3.3. Once above the dense atmosphere and after the main engine cut off, the capsule would separate from the main rocket body. Parachutes would be deployed very early in the return journey, at about 113 km, removing the need for heat shielding. The maximum altitude was over 304 km. Both the capsule and the main body would soft land and be capable of reuse. It was recognised that there would need to be a period of development and risk reduction, this was estimated at 5 years and would have meant a first all-up flight in 1951 or 52. The British government did not take the project forward. Instead, choosing to concentrate on Nuclear and conventional research which had a more immediate military use. The United Kingdom was effectively bankrupt after WW2 and there were only limited resources available but even when funds became easier the government mostly chose not to participate in space research except when derived relatively cheaply from military projects.
dbp:countryOrigin
United Kingdom
dbp:fail
0
dbp:function
dbr:Sub-orbital dbr:Human-rated dbr:Launch_vehicle
dbp:launches
0
dbp:payloads
BIS Capsule
dbo:rocketFunction
dbr:Human-rated
prov:wasDerivedFrom
wikipedia-en:Megaroc?oldid=1122811042&ns=0
dbo:wikiPageLength
4737
dbo:failedLaunches
0
dbo:status
Cancelled
dbo:successfulLaunches
0
dbo:totalLaunches
0
dbo:rocketStages
1
foaf:isPrimaryTopicOf
wikipedia-en:Megaroc