What is a good DA for drag racing?
So there might not be ‘one answer’ as to what are the best weather conditions as each car might prefer different ones but generally speaking, any time the temps are between 45 and 60 degrees with a barometer reading over 30.00 at a physical altitude of under 300 feet it can be considered decent air.
What state is known for drag racing?
Southern California was the virtual birthplace of organized drag racing, and was the hotbed of the early days of nitromethane-fueled dragsters.
What is the current air density?
approximately 1.2754 kg/m3
At IUPAC standard temperature and pressure (0 °C and 100 kPa), dry air has a density of approximately 1.2754 kg/m3.
How does density altitude affect drag racing?
Density Altitude (DA) has a big effect on your engine’s ability to produce HP, which obviously has a big impact on not only drag racing trap speed, but also ET. DA is your actual track altitude adjusted for temperature, baro pressure and to a lessor degree; humidity.
What’s the best weather station for drag racing?
The Computech RaceAir Pro is the most trusted and accurate racing weather station for professional amateur racers in every form of motorsport from NHRA to NASCAR, and everything in between.
What does water grains mean in drag racing?
Racers measure how severe the humidity is by the water grains. The level of water grains is calculated from temperature and relative humidity. “Anytime the humidity gets in the 110 grains, it is hard to overcome,” confirmed Okuhara. The only thing more prevalent in the southeast than sweetened ice tea is humidity.
What is the best drag strip in the United States?
NHRA’s Top Ten Drag Strips
- Bristol Dragway.
- Maple Grove Raceway.
- Bandimere Speedway.
- Sonoma Raceway.
- zMAX Dragway.
- Lucas Oil Raceway at Indianapolis.
- The Strip at Las Vegas Motor Speedway.
- Summit Motorsports Park.
What is the best weather station for drag racing?
What does DA mean in drag racing?
Density Altitude is the actual track altitude above sea level, adjusted for the barometric pressure, ambient air temperature and relative humidity. And a high DA is what kills horsepower and results in high ETs and low trap speeds.
Does temperature affect carburetor?
Here’s an example: when the thermometer rises, the density of the air decreases. That effectively decreases the available oxygen to feed the engine. Carburetor jetting should be reduced to compensate and prevent an over-rich air/fuel mixture.
Does humidity affect AFR?
Higher humidity will cause your fuel air mixture to be more rich.
What is the oldest drag strip in the United States?
Julesburg Drag Strip, located off of US-138 in Julesburg, is the oldest drag racing track in the country. The Platte Valley Custom Club conducted races on the runway of the Julesburg Municipal Airport in 1959 and it’s been a hit ever since.
Who invented drag racing?
One could even argue that drag racing was born in Goltry, Okla., in 1913, with the birth of Wally Parks, who nearly four decades later would found drag racing’s most successful and influential sanctioning body. Parks’ family moved to California in the early 1920s, and Parks had an early interest in cars.
Is there less oxygen in humid air?
So if you pump more water molecules into the air, which pushes out the heavier molecules, the air becomes less dense. This phenomenon also makes physical activity even harder on hot, humid days — there’s less oxygen to breathe.
What does RT mean in drag racing?
REACTION TIME
This is the elapsed time you think your car will run. REACTION TIME (RT) This tells you how quickly you reacted to the green light on the Christmas Tree.
Does temperature affect fuel injectors?
As the inlet fuel temperature increases, the nozzle fuel-injection-start timing is predicted to be relatively retarded, the injection rate is reduced, and the needle-lift duration is prolonged from the baseline.
Does humidity affect horsepower?
This means that if dry air at a given temperature and pressure has some volumetric fraction of another gas (e.g., water vapor) added, then we lose that same fraction of each component dry air gas, and available horsepower is lost as a result. This is the point at which humidity begins to affect horsepower.
Why are drag strips closing?
Politics killed a lot of drag strips, and it’s one of the big reasons most tracks close today. Noise complaints are normal for drag strips, which has been true since the early days. The cars are naturally loud, because they have lots of compression, big camshafts, and very large headers.