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Low-speed pre-ignition. Low-speed pre-ignition (LSPI), also known as stochastic pre-ignition (SPI), [1] is a pre-ignition event that occurs in gasoline vehicle engines when there is a premature ignition of the main fuel charge. [2] LSPI is most common in certain turbocharged direct-injection vehicles operating in low-speed and high-load driving ...
A crash test of the Honda Ridgeline by the NHTSA Frontal small-overlap crash test of a 2012 Honda Odyssey 2018 Dodge Grand Caravan being struck by a mobile deformable barrier at 62 km/h 2016 Honda Fit striking a wall head-on at 56 km/h Driver-side oblique crash test of a 2017 Honda Ridgeline Jeep Liberty undergoing routine impact testing at Chrysler's Proving Grounds NHTSA research crash test ...
The IIHS test exposes 40% of the front of the vehicle to an impact with a deformable barrier at approximately 40 mph (64 km/h). This offset test represents approximately 0.04% of all car crashes and "is the equivalent of running a vehicle into a parked car at 75 mph (121 km/h). [8]
WLTP (2015) (Addenda 15) v. t. e. The Worldwide harmonized Light vehicles Test Procedure (WLTP) [1] is a global driving cycle standard for determining the levels of pollutants, CO 2 emission standards and fuel consumption of conventional internal combustion engine (ICE) and hybrid automobiles, as well as the all-electric range of plug-in ...
It publishes test results since 1983 on their website. [12] The car with the slowest speed to successfully complete the manoeuvre is the Reliant Rialto at 42.5 km/h (26.4 mph). In July 2005, the Dacia Logan appeared initially to fail the test, but a later investigation concluded that excessive testing had worn the car's tyres to failure.
MOT test. Approved MOT test stations must display the blue "three triangles" logo. The MOT test (or simply MOT) is an annual test of vehicle safety, roadworthiness aspects and exhaust emissions required in the United Kingdom for most vehicles over three years old. In Northern Ireland the equivalent requirement applies after four years. [1]
Once a spark has struck, the voltage across the spark gap in a running engine drops to a relatively low value, in the order of 1500-2000 volts. This, combined with the fact that the coil secondary current of 400 milliamperes loses approximately 1600 volts through the 4000 ohm secondary resistance means that fully 50% of the energy is lost in ...
Automotive aerodynamics is the study of the aerodynamics of road vehicles. Its main goals are reducing drag and wind noise, minimizing noise emission, and preventing undesired lift forces and other causes of aerodynamic instability at high speeds. Air is also considered a fluid in this case. For some classes of racing vehicles, it may also be ...