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In a zero-gravity (weightless) environment, the power-to-weight ratio would not be considered infinite. A typical turbocharged V8 diesel engine might have an engine power of 250 kW (340 hp) and a mass of 380 kg (840 lb), [1] giving it a power-to-weight ratio of 0.65 kW/kg (0.40 hp/lb).
The weight (N) is calculated by multiplying the mass in kilograms (kg) by the acceleration due to gravity (m/s 2). The thrust can also be measured in pound-force (lbf), provided the weight is measured in pounds (lb). Division using these two values still gives the numerically correct (dimensionless) thrust-to-weight ratio.
Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio AJ-10-190 USA: Aerojet: Space Shuttle, Orion, Apollo CSM: Active Upper N 2 O 4 /MMH: Pressure-fed: 316 [1] 26,689 [1] 8.62 [1] 118 [1] 23.08: Archimedes New Zealand USA: Rocket Lab: Neutron: Development 1st, 2nd CH 4 / LOX: Staged, oxidizer-rich ...
The 2.0 will feature the same 2-litre engine used in the SZ and SZ-R models sold in Japan, and is rated at 190 kW (255 hp) and 400 N⋅m (295 lb⋅ft) of torque. [ 73 ] [ 74 ] [ 75 ] In 2022, for the 2023 model year, the Supra 3.0 and 3.0 Premium became available with a 6-speed manual transmission.
A newton is defined as 1 kg⋅m/s 2 (it is a named derived unit defined in terms of the SI base units). [1]: 137 One newton is, therefore, the force needed to accelerate one kilogram of mass at the rate of one metre per second squared in the direction of the applied force.
For example, Concorde cruised at 1354 mph, or 7.15 million feet per hour, with its engines giving an SFC of 1.195 lb/(lbf·h) (see below); this means the engines transferred 5.98 million foot pounds per pound of fuel (17.9 MJ/kg), equivalent to an SFC of 0.50 lb/(lbf·h) for a subsonic aircraft flying at 570 mph, which would be better than even ...
A top Federal Reserve official said Monday that he is leaning toward supporting an interest rate cut when the Fed meets in two weeks but that evidence of persistent inflation before then could ...
Overall pressure ratio: 7.2:1; Air mass flow: 6.5 lb/s (180 kg/min) at 37,500 gas generator rpm (each gas generator) Specific fuel consumption: 0.6 lb/(hp⋅h) (0.36 kg/kWh) Power-to-weight ratio: 2.92 hp/lb (4.80 kW/kg)