Radio in my car bad due to antenna - Physics Forums
2009年8月12日 · Now, I know that the radio in your car needs an external antenna because your car acts as a Faraday cage, and most radio waves don't make it through. But I'm having some reception issues. I own a 1986 Porsche 944. Anyone familiar with the car will know that the antenna is embedded into the windshield in the form of a thin wire ring.
Why do more cars now have a short "spoiler" above their rear …
2023年3月16日 · The short spoiler above the rear window, often referred to as a "roof spoiler," is primarily used to improve the aerodynamics of the vehicle. It helps manage the airflow over the car to reduce drag and increase stability, especially at higher speeds.
Ideal car rear roofline angle and shape for low drag? - Physics …
2022年11月9日 · In summary, the ideal rear roofline angle and shape for lower drag depends on balancing the butt area/wake and pressure at the rear window/trunk. The book "Aerodynamics of Road Vehicles" is a highly recommended reference for studying vehicle aerodynamic drag, and an example of the effect of adding an aerodynamic topper to a pickup truck can be ...
How is Windshield Glass Used As Antenna For Transponder?
2014年8月25日 · The SunPass Mini Sticker Transponder cannot be hand-held or moved from car to car. It must be permanently mounted to the inside of the windshield or it won’t work, because the windshield acts as an antenna. Once removed, the Mini will no longer function and cannot be reattached to the windshield. indicates a fileClick here to see Mini ...
What was the impact force of a truck hitting my car at 35-40 mph?
2014年8月16日 · The accident resulted in damage to both the rear and front of the individual's car, as well as injuries. They are seeking information on the impact force of the collision, but it is difficult to determine due to the complex nature of car collisions and the various factors involved.
How Is Induced EMF in a Moving Car Antenna Calculated?
2007年3月4日 · A car with a vertical radio antenna 75 cm long drives due east at 29 m/s. The Earth's magnetic field at this location has a magnitude of 5.9* 10^-5 T and points northward, 72° below the horizontal. (b) Find the induced emf between the ends of the antenna. Relevant Equations: E = BVL...
Automobile antennas-radial ribs? - Physics Forums
2008年6月2日 · In summary: B."The spiral structure on car antenna provides strength to the antenna while allowing it to remain flexible, spreading any shear over the length of the antenna. Its purpose is mechanical (rather than electronic), providing strength to the antenna while allowing it to remain flexible, spreading any shear over the length of the antenna.
Understand Rear Axle Forces in Car Suspensions w/ Instant Center …
2017年12月11日 · The rear tire has about 16 psi and is 12.5" cross section, 10.2" tread width, and 28 inches tall (with no weight). The rear tires initially flatten about twice (real rough guess) the amount they do with the whole car weight alone when the car is up on the wheels and rolling. Something beyond weight goes on in the first 10 feet or so.
How can I improve the reception performance of my boat's …
2014年9月14日 · The orientation of a radio antenna plays a crucial role in its performance. If the antenna is not properly oriented, it may not be able to receive or transmit signals effectively, leading to poor reception or transmission quality. By orienting the antenna correctly, the signal strength can be maximized, resulting in better performance.
Formula Car Cooling: Benefits of Ultra Side Pods & Radiator Setup
2009年12月15日 · 3. the red car photo ( as seen from the front of the car) shows a splitter that spits the incoming flow to the front portion and rear portion of the rad core. I am told that is is not needed on 90 percent of the installations. Note the insulation packed around the rad core. your keen observations and comments are valued