Car Formulas for Racing. An excellent program for all those hard to
remember racing calculations. It's at
http://hotfiles.zdnet.com/cgi-bin/texis/swlib/hotfiles/info.html?fcode=0004Z
G&b=
if that doesn't work go to
http://www.hotfiles.com/index.html
and do a search for "carfor"
It has these features:
Calculate cubic inches
Calculate Bore needed for given Stroke and cubic inches
Calculate Stroke needed for given Bore and cubic inches
Calculate Bore and Stroke needed for given Bore Stroke ratio & cubic
inches
Calculate Bore Stroke ratio
Calculate Rod Stroke ratio
Calculate Rod Stroke ratio over Rod length Range
Calculate Rod Length needed for given stroke and rod stroke ratio
Calculate Rod Length needed for given stroke and rod stroke ratio Range
Calculate Piston Speed
Calculate Max RPM from Piston Speed and stroke
Calculate Compression Ratio
Calculate Needed Chamber Volume from Compression Ratio
Calculate Spark Plug heat range change needed for Nitrous
Calculate Timing retard needed for Nitrous
Estimate MPH in Quarter-Mile using Horsepower
Estimate Quarter-Mile Horsepower requirements using MPH
Estimate Quarter-Mile Horsepower requirements over MPH Range
Estimate Quarter-Mile Horsepower requirements over ET Range
Estimate Quarter-Mile ET from MPH
Estimate the Horsepower gain from adding blower pressure
Estimate the blower pressure needed for Horsepower
Estimate the normal Horsepower from blower pressure and Horsepower
Estimate effective Compression ratio from adding blower pressure
Estimate the Horsepower gain from increased Compression ratio
Estimate the Horsepower gain from increased Bore for same CubicInches
Estimate the Horsepower change from a change in Temperature
Estimate the Horsepower change from a change in Humidity
Estimate the Horsepower change from a change in Barometer
Estimate the Horsepower change from a change in Altitude
Calculate Vapor Pressure/ Dewpoint
Convert Horsepower to Torque
Shift Horsepower up and/or down RPM range
Convert Torque to Horsepower
LINEAR interpolation of Horsepower
Generate generic digital Horsepower curve
Estimate engine Horsepower
Calculate average rate of acceleration from rest to X feet
Calculate Carburetor size in CFM for blown engine
Calculate Blower Drive Ratio and RPM
Estimate Exhaust/Muffler(s) Airflow for no HorsePower lose
Estimate Camshaft duration needed from compression ratio
Calculate Coil Spring Stiffness/Rate
Calculate Torsion Bar Stiffness/Rate
Calculate Sway Bar Stiffness/Rate
Estimate Intake and Exhaust Airflow for a given engine size
Estimate Intake and Exhaust Airflow for a engine size Range
Estimate HorsePower from Intake Airflow over a Range
Estimate Intake and Exhaust Airflow from HoresPower
Convert Airflow to a different depression
Estimate Fuel Flow for a given engine size
Calculate Minimum Fuel pump pressure
Calculate Carburetor size in CFM
Calculate Carburetor jet size change based on change in Barometric
pressure and Temperature
Calculate Carburetor metering rod size change based on change in
Barometric pressure and Temperature
Calculate Intake runner length
Estimate Intake Valve size and port area in sq. inches
Estimate Valve lift -- Street/Strip engine
Calculate Header tube length
Calculate Optimum pipe diameter
Calculate Affected RPM from tube diameter and tube length
Calculate Minimum collect length
Calculate Air filter size
Calculate Speed(s) for given RPM range
Calculate Speed(MPH) for given RPM, Rear gear ratio and Trans gear ratio
also shows --> Total/Overall gear ratio
Calculate RPM(s) for given MPH range--Tire Size--Axle ratio
Calculate Trans first gear ratio -- Manual
Calculate Trans first gear ratio -- Automatic
Calculate Trans gear change(shift) RPM
Calculate Rear gear ratio needed
Calculate Gear ratio from gear tooth count
Calculate Rear gear ratio change on RPM
Calculate Rear gear ratio needed after tire size change
Calculate Tire's nominal diameter -- use to compair different size
(width) and aspect ratios to keep same diameter
Speedometer Check / Calculate speed over measured mile
Calculate Lap Speed(MPH) over measured distance from distance and time
NOTE: Consult included files TRACK.SZ and ATRACK.SZ for many common
track sizes in miles.
Calculate Lap time over measured distance from distance and Lap Speed
Calculate Track Size / measured distance from Lap Speed(MPH) and time
Calculate Skidpad G's from Track Size and Lap time
Convert PSI to " of Mercury, kPa, " of Water, cm of Mercury and kg/cm^2
Convert " of Mercury to PSI, kPa, " of Water, cm of Mercury and kg/cm^2
Convert kPa to PSI, " of Mercury, " of Water, cm of Mercury and kg/cm^2
Convert " of Water to PSI, kPa, " of Mercury, cm of Mercury and kg/cm^2
Convert cm of Mercury to PSI, " of Mercury, kPa, " of Water and kg/cm^2
Convert kg/cm^2 to PSI, " of Mercury, kPa, " of Water and cm of Mercury
Convert inches of vaccum to absolute PSI
Convert absolute PSI to inches of vaccum
Convert MilliMeters(MM) to inches
Convert Microns to inches
Convert inches to MilliMeters(MM)
Convert Cubic centimeters(CC) to Cubic inches and Fluid ounces
Convert Cubic inches to Cubic centimeters(CC) and Fluid ounces
Convert Fluid ounces to Cubic inches and Cubic centimeters(CC)
Convert ft-lb to N-m (Newton-meter) and m-kg
Convert N-m (Newton-meter) to ft-lb and m-kg
Convert m-kg to ft-lb and N-m (Newton-meter)
Convert lb to N (Newton) and kg
Convert N (Newton) to lb and kg
Convert kg to lb and N (Newton)
Convert Ounces to Grams
Convert Grams to Ounces
Convert deg. Fahrenheit to deg. Celsius
Convert deg. Celsius to deg. Fahrenheit
Convert MPH to kilometers/hr. (km/h)
Convert kilometers/hr. (km/h) to MPH
Convert BTU to Joules
Convert ft-lb to Joules
Convert kW-hr to Joules
Convert Calorie to Joules
Convert Joules
Show Decimal Fraction Equivalence Chart
Show Decimal Equivalence Size of the Number Drills
Show Decimal Equivalence Size of the Alpha Drills
Show Decimal (Inches .01) Metric(MM) Equivalence Chart
Show Decimal (Inches .1) Metric(MM) Equivalence Chart
Show Decimal (Inches) Metric(MM) Equivalence Chart
Show Metric(MM .01) Decimal(Inches) Equivalence Chart
Show Metric(MM .1) Decimal(Inches) Equivalence Chart
Show Metric(MM) Decimal(Inches) Equivalence Chart
Show PSI to kPa Chart
Show kPa to PSI Chart
Awesome huh?
<><><><><><><><><><><><><><><><><><><><><><><>
<> (JOHN G. OLDEN) jgolden@prairienet.org <>
<> IDDA: 1123 (Membership Officer) <>
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