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Braking distance refers to the distance a vehicle will travel from the point when its brakes are fully applied to when it comes to a complete stop. It is primarily affected by the original speed of the vehicle and the coefficient of friction between the tires and the road surface, [Note 1] and negligibly by the tires' rolling resistance and vehicle's air drag.
In October 2013, Gibbs Amphibians introduced the Quadski, the first amphibious vehicle capable of traveling 45 mph or 72 km/h on land or water. The Quadski was developed using Gibbs' High Speed Amphibian technology, which Gibbs originally developed for the Aquada, an amphibious car, which the company has still not produced because of regulatory ...
The French Panhard VBL is a compact, lightly armoured 4x4 all-terrain vehicle that is fully amphibious and can swim at 5.4 km/h (3.4 mph). The VAB is a French fully amphibious APC, powered in the water by two water jets, mounted one on either side of the rear hull ( see detail picture above ).
The driver's speed, acceleration, braking, and steering Tire tread wear : Worn tires will aquaplane more easily for lack of tread depth. Half-worn treads result in aquaplaning about 4.8–6.4 km/h (3–4 mph) lower than with full-tread tires.
d MT = braking distance, m (ft) V = design speed, km/h (mph) a = deceleration rate, m/s 2 (ft/s 2) Actual braking distances are affected by the vehicle type and condition, the incline of the road, the available traction, and numerous other factors. A deceleration rate of 3.4 m/s 2 (11.2 ft/s 2) is used to determine stopping sight distance. [6]
Hot judder is usually produced as a result of longer, more moderate braking from high speed where the vehicle does not come to a complete stop. [67] It commonly occurs when a motorist decelerates from speeds of around 120 km/h (74.6 mph) to about 60 km/h (37.3 mph), which results in severe vibrations being transmitted to the driver.
[1] [2] [3] 200 MPH Club A lifetime "membership" awarded by the SCTA or another sanctioning body or circuit to any driver who drives over a specified distance at a minimum speed of 200 miles per hour (320 km/h), while also breaking a record. [4] Membership can stretch over from the more exclusive 300 to the elite 400. [5]
It is capable of speeds over 160 kilometres per hour (99 mph) on land and 50 kilometres per hour (31 miles per hour; 27 knots) on water. Rather than adding wheels to a boat design, or creating a car that floats, the Aquada was designed from the ground up to perform very well in both fields, with over 60 patents covering technical innovations.