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The specification had been written for the P.1005 proposal by Hawker, powered by two Napier Sabre engines, estimated to achieve 400+ mph at 25,000 ft and deliver a 2,000 lb bomb load over 1,600 miles. [2] The P.1005 was cancelled after several delays on behalf of the Air Ministry and before Miles submitted his design to the Ministry [1] in July ...
Guinness certified the record as covering 1,725 miles (2,776 km) in 5 days 18 hours and 3 minutes, beating Rockett's time by 3 hours and 5 minutes. [ 71 ] On 3 September 2020, Marcia Roberts became the first female to record the journey starting at Lands End, by bike, in a time of 11 days, 13 hours & 13 minutes and set a Guinness World Record ...
Reducing the weight of the bike + rider by 1 kg would increase speed by 0.01 m/s at 9 m/s on the flat (5 seconds in a 32 km/h (20 mph), 40-kilometre (25 mile) time trial). The same reduction on a 7% grade would be worth 0.04 m/s (90 kg bike + rider) to 0.07 m/s (65 kg bike + rider).
The Monitor came about as a response to Specification Q9/42 for a twin-engined high-speed target tug for the Royal Air Force.The specification called for a towing speed of not less than 300 mph (480 km/h), be capable of 90 mph while streaming targets, [1] an endurance of 3–4 hours [2] and - most unusually - be capable of being dismantled and fitted into standard packing crates. [1]
The new high-power configuration is to provide for higher acceleration: [2] the 8-car commercial configuration was calculated to reach 300 km/h (186 mph) in less than four minutes and less than 12 kilometres (7.5 mi); the top test speed of 400 km/h (249 mph) is to be reached in 673 seconds and 56.98 kilometres (35.41 mi). [1]
In 2014 tenders have been called for the build–operate–transfer of a high-speed rail line between Mexico City and Querétaro.This line would be 210 kilometres (130 mi) long, 16 kilometres (9.9 mi) on viaducts and 12 kilometres (7.5 mi) in tunnels, with a design speed of 300 km/h (190 mph).
The origin of the Miles Magister was a decision made by the company's management in 1936 to further develop its military trainer range; [3] this decision was influenced by the firm's recent success with the Miles M.2 Hawk Trainer as an elementary trainer, the first low-wing monoplane to be adopted as a trainer by the Royal Air Force (RAF). [3]
(mph) (km/h) (m/s) Subsonic <0.8 <530 <609 <980 <273 Most often propeller-driven and commercial turbofan aircraft with high aspect-ratio (slender) wings, and rounded features like the nose and leading edges. The subsonic speed range is that range of speeds within which, all of the airflow over an aircraft is less than Mach 1.