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Racing Fundamentals with Air Density Tuning - RacingJunk News
https://www.racingjunk.com/news/racing-fundamentals-with-air-density-tuning/#:~:text=As%20temperature%2C%20humidity%2C%20or%20barometric%20pressure%20fluctuate%20throughout,a%20racing%20engine.%20More%20vaporization%20%3D%20more%20power.
Just Drag Racing - Weather Stations 101
http://justdragracing.com/drag-racing-features/tech-articles/33-drag-racer-aids/22-drag-racing-weather-stations-101
For example, a temperature of 73.5ºF, relative humidity of 68.9% and a barometric pressure of 29.97" equates to a density altitude of approximately 1693 FT. As a general rule, the higher the DA the slower your ET: Temperature increase = DA increase; Barometric pressure decrease = DA increase; Humidity increase = DA increase; Recording Your Runs
Racing Fundamentals with Air Density Tuning
https://www.racingjunk.com/news/racing-fundamentals-with-air-density-tuning/
Altitude of a racing facility has a dramatic effect on the barometric pressure in the air. Higher pressure from lower altitude makes more power with the proper tune-up. Measurement of the weather values become vital, especially for racing teams that travel to different locations. Changing weather and wind affect the aerodynamic drag on a racing vehicle body.
Drag Racing Traction: Suggestions for a More Consistent …
https://www.musclecardiy.com/performance/drag-racing-traction-suggestions-for-a-more-consistent-and-winning-car/
Air density decreases with increasing altitude as does barometric air pressure. It can also change with changes in temperature and/or humidity. The less dense the air, the less power your engine makes and the slower the ET. Also, less oxygen is present in less dense air so you will need to adjust your fuel mixture to a leaner condition. Air density depends on …
Elevation and Atmospheric Factors in Motorsports …
https://www.racingjunk.com/news/elevation-and-atmospheric-factors-in-motorsports-performance/
The actual, uncorrected barometer value gets lower as elevations increase and atmospheric pressure decreases. This becomes important in racing engine tuning because an environment with a standard 29.92 inHg barometer reading can be thrown off by the elevation. A corrected barometer reading in mountainous Colorado could be 29.82 inHg.
How to Tune Your Race Car for Weather Conditions
https://www.onallcylinders.com/2013/05/17/racing-with-mother-nature-how-to-tune-for-weather-conditions/
Changing your shift points can be beneficial, particularly when barometric pressure changes. When barometric pressure decreases, an engine becomes less efficient. To compensate, you can shift at a higher rpm in each gear. Inertia is working in your favor, particularly when the engine is down on power.
The Effects of Altitude and Barometric Pressure on a Bullet During ...
https://www.darkearthtactical.co.za/blog/the-effects-of-altitude-and-barometric-pressure-on-a-bullet-during-flight/
The result is less air resistance (or drag) on the bullet, which means more efficient flight with the ability to shoot further. If no adjustments are made, the bullet will impact high. Lower Altitudes – at lower altitudes closer to sea-level, a shooter can expect higher air pressure, meaning that the air is more dense and therefore thicker. The result is more air resistance on …
drag racing density altitude calculator – racingcalcs
https://racingcalcs.com/density-altitude-calculator/
This calculator works out the density altitude based on the environmental conditions. This is vital for both tuning and run time prediction with drag racing dial in groups. The density altitude is also used for calculating down force generated from wings and spoilers. The three factors in the density altitude are temperature, barometric ...
Be Ready For Race Day Track Conditions By Reading The …
https://www.dragzine.com/tech-stories/be-ready-for-race-day-track-conditions-by-reading-the-weather/
The Sun Affects The Track. On a cool, sunny day of around 60-degrees Fahrenheit, track temperature can be 10 degrees hotter. At our local track near the coastline, the lower limit of the surface temperature for reasonable traction is in …
Horsepower Correction, Power Management, And Science
https://www.enginelabs.com/engine-tech/engine/horsepower-correction-power-management-science/
A horsepower correction factor is determined for this racing engine in 95-percent air density derived from 80 deg F, 40-percent humidity, and 30 in-Hg barometer: temperature ratio = (80 deg F + 459.67) / (60 + 459.67) = 1.039. pressure value for 40-percent humidity at 72 feet track elevation and 80 deg F = 0.41 in-Hg.
Atmospherics and Performance Engine Combustion Guide
https://www.musclecardiy.com/performance/atmospherics-performance-engine-combustion-guide/
This factor is commonly used by the performance industry, particularly on engine dynos. It corrects observed data to STP, or 60 degrees F at a barometric pressure of 29.92 in Hg and dry air (zero humidity). It subtracts corrected vapor pressure from observed barometric pressure to correct for water vapor in the air. CF = (29.92 – corrected barometric pressure)1.2 …
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