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The thrust-to-weight ratio and lift-to-drag ratio are the two most important parameters in determining the performance of an aircraft. The thrust-to-weight ratio varies continually during a flight. Thrust varies with throttle setting, airspeed , altitude , air temperature, etc. Weight varies with fuel burn and payload changes.
A traditional golf cart, capable of carrying two golfers and their clubs, is generally around 4 feet (1.2 m) wide, 8 feet (2.4 m) long and 6 feet (1.8 m) high, weighing between 900 and 1,000 pounds (410 and 450 kg) and capable of speeds up to about 15 miles per hour (24 km/h). [b] The golf carts usually have four wheels, although the three ...
TSFC or SFC for thrust engines (e.g. turbojets, turbofans, ramjets, rockets, etc.) is the mass of fuel needed to provide the net thrust for a given period e.g. lb/(h·lbf) (pounds of fuel per hour-pound of thrust) or g/(s·kN) (grams of fuel per second-kilonewton). Mass of fuel is used, rather than volume (gallons or litres) for the fuel ...
The XR-3 Hybrid is a plug-in hybrid kit vehicle from Robert Q. Riley Enterprises. The top speed is 80 mph (130 km/h) and fuel economy is 125 mpg ‑US (1.88 L/100 km; 150 mpg ‑imp) on diesel power only and 225 mpg ‑US (1.05 L/100 km; 270 mpg ‑imp) on combined diesel and electric power. The vehicle body is FRP/foam composite. [1]
3.7 V 20 °C 666 kJ/kg C/5.3 to 2.75 V 35 W/kg C/5.3 0 °C 633 kJ/kg C/1 to 2.75 V 176 W/kg C/1 20 °C 655 kJ/kg C/1 to 2.75 V 182 W/kg C/1 20 °C 641 kJ/kg 2C to 2.75 V 356 W/kg 2C Electric Fuel Battery Corp. UUV 120 Ah zinc–air fuel cell [71] 630 kJ/kg 500 W/kg C/1 Sion Power 2.5 Ah lithium–sulfur battery [72] 2.15 V 25 °C
In the example provided by the US DoE in its final rule, an electric car with an energy consumption of 265 Watt hour per mile in urban driving, and 220 Watt hour per mile in highway driving, results in a petroleum-equivalent fuel economy of 335.24 miles per gallon, based on a driving schedule factor of 55 percent urban, and 45 percent highway ...
The Container Handling Unit (CHU) is an add-on kit that allows for the loading/unloading and transport of standard ISO containers without the need for an intermediate flatrack. [ 3 ] [ 5 ] [ 4 ] The SOFRAME RM 22 PLM load handling trailer which was originally selected as the M1076 trailer component of the US Army's PLS is compatible with, and ...
The following table compares official EPA ratings for fuel economy (in miles per gallon gasoline equivalent, mpg-e or MPGe, for plug-in electric vehicles) for series production all-electric passenger vehicles rated by the EPA for model years 2015, [1] 2016, [2] 2017, [3] and 2023 [4] versus the model year 2016 vehicles that were rated the most efficient by the EPA with plug-in hybrid ...