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2. Wagon-wheel effect - Wikipedia

   en.wikipedia.org/wiki/Wagon-wheel_effect

   Imagine that the true rotation of a four-spoke wheel is clockwise. [3] The first instance of visibility of the wheel may occur when one spoke is at 12 o'clock. If by the time the next instance of visibility occurs, the spoke previously at 9 o'clock has moved into the 12-o'clock position, then a viewer will perceive the wheel to be stationary.

3. Koenigsegg Regera - Wikipedia

   en.wikipedia.org/wiki/Koenigsegg_Regera

   The name Regera is a Swedish verb, meaning "to reign" or "to rule". Koenigsegg produced 85 Regeras, [10] most of which were sold upon unveiling. [11] [12] The Regera was developed and designed to be a more practical, luxurious, grand touring alternative to the rest of Koenigsegg's lightweight sports car lineup: initially the Agera and later the ...

4. Koenigsegg CC850 - Wikipedia

   en.wikipedia.org/wiki/Koenigsegg_CC850

   Stopping power is provided by a set of 410 mm (16.1 in) 6-piston calipers on the front wheels and 395 mm (15.6 in) 4-piston calipers on the rear. [6] It can reach a top speed of 450–500 km/h (280–310 mph) and can do 0 to 97 km/h (0 to 60 mph) in 2.5 seconds.

5. List of optical illusions - Wikipedia

   en.wikipedia.org/wiki/List_of_optical_illusions

   The size–weight illusion is also known as the Charpentier illusion or Charpentier–Koseleff illusion. Stepping feet illusion: The stepping feet illusion is influenced by the contrast between moving objects and their background. Stroboscopic effect: Swept-plane display: Ternus illusion: The Ternus illusion (1926/1938) is based upon apparent ...

6. Spoke - Wikipedia

   en.wikipedia.org/wiki/Spoke

   For example, a 32 spoke wheel has 16 spokes per side, 360° divided by 16 equals 22.5°. Multiply 22.5° ("angle between adjacent flange holes") by the number of crossings to get the angle a—if 3-crosses, the 32 spoke wheel has an angle a of 67.5°. Regarding r 3: The size of the spoke holes in the flange does not matter for the needed spoke ...

7. Koenigsegg Agera - Wikipedia

   en.wikipedia.org/wiki/Koenigsegg_Agera

   The 5.0-litre twin-turbo V8 engine. In early development, the car was fitted with a 4.7-litre V8 engine with fixed-vane twin-turbochargers, [8] but the engine was replaced with an in-house developed 5.0-litre V8 engine and fitted with twin-turbochargers which generates a maximum power output of 706 kW (960 PS; 947 hp) at 6,900 rpm and 1,100 N⋅m (811 lbf⋅ft) of torque at 4,000 rpm. [9]