There are also several computer programs you can use to track atmospheric conditions to help you predict your car's performance regardless of the weather.There are also several computer programs you can use to track atmospheric conditions to he Get ConvertedThese conversions come courtesy of the HP Books Auto Math Handbook by John Lawlor. Some data also came from Metals Progress Databook. To Convert Multiply By Atmosphere to inches of mercury 29.921253 Atmosphere to kilopascals (Kpa) 101.325 Atmosphere to psi 14.69595 Inches of mercury to atmospheres 0.0334211 Inches of mercury to kilopascals 3.37685 Kilopascals to atmospheres 0.0098692 Kilopascals to inches of mercury 0.296134 Kilopascals to psi 0.1450377 Pascal to psi 0.0001450 Psi to atmospheres 0.068046 Psi to inches of mercury 2.036021 Psi to kilopascals 6.894757 Parts List Description PN Source Price PerformAire weather PAE Summitracing.com $599.95 PerformAire weather PAE-O2 Summitracing.com $799.95 PerformAire weather comp PA2 Summitracing.com $399.88 PerformAire weather comp PA2-O2 Summitracing.com $699.88 Summit Logbook G5155 Summitracing.com $4.95 NHRA Correction Factors Altitude AboveSea Level (Ft.) E.T. Factor MPH Factor 1,500 0.9835 1.0171 2,000 0.9770 1.0241 2,500 0.9705 1.0311 3,000 0.9640 1.0381 3,500 0.9575 1.0451 4,000 0.9510 1.0521 4,500 0.9445 1.0577 5,000 0.9380 1.0661 5,500 0.9315 1.0731 5,800 0.9276 1.0773 Pressure Vs. Altitude Altitude AboveSea Level (Miles) Percentage OfSea-Level Pressure 3.5 50% 10.0 10% 19.4 1% 29.9 0.1% 40.4 0.01% 49.2 0.001% SOURCESAltalabRacing Systems AnalysisRenick, WVPhoenix, AZ304/497-2756602/992-2586altalabinstrument.comquarterjr.com AltronicsSummit Racing EquipmentSchaumburg Park, ILAkron, OH88/464-2587800/230-3030altronicsinc.comsummitracing.com NHRA Glendora, CA 626/250-2485 (tech) NHRA.com « | 1 | 2 | 3 | 4 | 5 | View Full Article Enjoyed this Post? Subscribe to our RSS Feed, or use your favorite social media to recommend us to friends and colleagues!
