(displa (displacem cement ent*fa *fac. c. con)*f con)*fac. ac. con*fa con*fac. c. con
displacement displacement (pi/4 x stroke x number of cylinders
COMPRESSION RATIO DATA 1.0 pi/4 = 0.7853982 cylinder = chamber volume = cylinder volume = stroke = compression ratio = new disp. Ratio = old disp. Ratio =
FORMULAS compression ratio = cylinder volume =
compression ratio = #DIV/0!
#DIV/0!
amount to mill =
#DIV/0!
chamber volume
cylinder volume = 0
chamber volume = displacement ratio =
cylinder + chamber volume
0
chamber volume = displacement ratio = amount to mill =
cylinder volume compression ratio - 1.0 cylinder volume chamber volume new disp. Ratio - old disp. Ratio new disp. Ratio x old disp. Ratio
x stroke
PISTON SPEED DATA 6 stroke in inches = rpm = piston speed in fpm =
FORMULAS piston speed in fpm = rpm =
0 #DIV/0!
piston speed in fpm =
stroke in inches x rpm
6 piston speed in fpm x 6 rpm = stroke in inches
BRAKE HORSEPOWER & TORQUE DATA 5252 1000 0.03 rpm = torque = horsepower = fuel pounds per hour = brake horsepower = elevation in feet = bhp at sea level =
FORMULAS horsepower = torque =
0 #DIV/0!
brake specific fuel consumption = bhp loss =
#DIV/0! 0
horsepower = torque = brake specific fuel consumption = bhp loss =
rpm x torque 5252 5252 x horsepower rpm fuel pounds per hour brake hrosepower elevation in feet 1000
x 0.03 x bhp at sea level
INDICATED HORSWEPOWER & TORQUE DATA 792,000 150.8 100 2.5 mep displacement rpm hp torque brake output indicated output
mep x displacement x rpm 792,000 mep x displacement 150.8 hp x 792,000 displacement x rpm torque x 150.8 displacement brake output indicated output indicated output - brake output 2.5
x 100
AIR CAPACITY & VOLUMETRIC EFFICIENCY DATA 3456 100 0.85 1.1 rpm = displacement = actual cfm = theoretical cfm =
FORMULAS theoretical cfm =
theoretical cfm = 0
volumteric efficiency = #DIV/0! street carb cfm = 0 racing carb cfm =
0
volumteric efficiency = street carb cfm = racing carb cfm =
rpm x displacement 3456 actual cfm theoretical cfm rpm x displacement 3456 rpm x displacement 3456
x 100 x 0.85 x 1.1
WEIGHT DISTRIBUTION DATA 100 weight on wheels = overall weight = distance of cg from wheels = wheelbase = weight =
FORMULAS percent of weight on wheels = increased weight on wheels =
#DIV/0! #DIV/0!
percent of weight on wheels = increased weight on wheels = (
weight on wheels overall weight distance of cg from wheels wheelbase
x 100 x weight
) + weight
CENTER OF GRAVITY DATA 2 rear wheel weight = overall weight = wheelbase = track = weight on light side = level wheelbase = raised wheelbase = added weight on scales = distance raised =
FORMULAS cg location behind front wheels = cg location off-center to heavy side =
#DIV/0! #DIV/0!
cg height =
#DIV/0!
cg location behind front wheels = cg location off-center to heavy side = cg height =
rear wheel weight overall weight track 2 level wheelbase x raised wheel base x added weight on scales distance raised x overall weight
x wheelbase
( - weight on light side ) x track - overall weight
g FORCE & WEIGHT TRANSFER DATA 0.85 1.227 flywheel torque = first gear = final drive = drive wheel torque = rolling radius = wheel thrust = weight = cg height = wheelbase = g= radius = wheel track =
FORMULAS
drive wheel torque =
drive wheel torque = 0 wheel thrust = #DIV/0! g = #DIV/0! weight transfer = #DIV/0! lateral acceleration = lateral weight transfer = centrifugal force =
#DIV/0! #DIV/0! 0
wheel thrust = g= weight transfer = lateral acceleration = lateral weight transfer = centrigual force =
flywheel torque x first gear x final drive x 0.85 drive wheel torque rolling radius wheel thrust weight weight x cg height wheel base 1.227 x weight x cg height wheel track weight x g
xg radius
xg
SHIFT POINTS DATA ratio shift into ratio shift from rpm before shift flywheel torque transmission ratio
= = = = =
FORMULAS rpm after shift = #DIV/0! driveshaft torque =
0
rpm after shift = driveshaft torque =
ratio shift into ratio shift from flywheel torque x transmission ratio
x rpm before shift
QUARTER - MILE ET & MPH DATA 5.825 234 340 335 weight = hp = ET = tire diameter = rpm = mph =
0
FORMULAS
ET = √ ET = #DIV/0! hp = #DIV/0!
weight = 0 mph = #DIV/0! #DIV/0! hp =
0
weight = #DIV/0! overall gear ratio (man) = #DIV/0! overall gear ratio (auto) = #DIV/0!
hp =
weight hp weight
x 5.825
weight = mph = √ hp = weight = overall gear ratio = (manual transmission) overall gear ratio = (automatic transmission)
hp weight (mph / 234) x weight (234 / mph) x hp tire diameter 340 mph tire diameter 335 mph
x 234
x x
rpm mph rpm mph
INSTRUMENT ERROR DATA 3600 100 seconds per mile = dif btw actual & indicated speeds = actual speed = odometer reading @ finish = odometer reading @ start = dif btw actual & indicated distances = actual distance =
rpm x tire diameter gear ratio x 336 mph x gear ratio x 336 tire diameter rpm x tire diameter
mph x 336 mph x gear ratio x 336 tire diameter = rpm
TIRE SIZES & THEIR EFFECTS DATA 2 2540 section width = aspect ratio = rim diameter = old tire diameter = new tire diameter = original ratio = indicated mph = actual mph =
FORMULAS tire diameter =
tire diameter = 0
effective ratio = equivalent ratio =
#DIV/0! #DIV/0!
actual mph = indicated mph =
#DIV/0! #DIV/0!
effective ratio = equivalent ratio = actual mph = indicated mph =
2x old tire diameter new tire diameter new tire diameter old tire diameter new tire diameter old tire diameter old tire diameter new tire diameter
section width x aspect ratio 2540 x original ratio x original ratio x indicated mph x actual mph
+ rim diameter
AVERAGE MPH & MPG DATA 3600 miles = gallons = miles per gallon = hours = miles per hour = seconds =
0
miles per gallon =
FORMULAS miles per gallon = #DIV/0! miles = gallons =
0 #DIV/0!
miles per hour = miles = hours =
#DIV/0! 0 #DIV/0!
raceway miles per hour = seconds=
#DIV/0! #DIV/0!
miles
gallons miles = miles per gallon x gallons miles gallons = 0 miles per gallon miles miles per hour = hours 0 miles = miles per hour x hours miles hours = miles per hour miles x 3600 raceway miles per hour = seconds miles x 3600 seconds = miles per hour
THE TRUE RATIOS IN THE AUTO TRANS ARE 2.45/1.45/AND 1:1. HOWEVER I HAVE ADDED 8% FOR TORQUE CONVERTER SLIPPAGE TO MAKE IT AS ACCURATE AS POSSIBLE.
RELACIÓN CAJA DE TRANSMISIÓN DATA 1 100 propulsor = cambio tren fijo = cambio = tren fijo = V=
FORMULA V= relación =
#DIV/0! #DIV/0!
V=
(propulsor x cambio tren fijo) tren fijo x cambio
relación =
1 100 V
RELACIÓN CAJA DE TRANSMISIÓN DATA 1 100 propulsor = cambio tren fijo = cambio = tren fijo = V=
FORMULA V= relación =
#DIV/0! #DIV/0!
V=
(propulsor x cambio tren fijo) tren fijo x cambio
relación =
1 100 V
VELOCIDAD FINAL DE UN AUTO (KM/H) DATA
Pi = Wangular = RPM = Transmisión Total = Relación Transmisión = Relación Corona = Rrodadura (Mt) = Velocidad Lineal =
FORMULA
2 60 3.6 3.1416 0 Velocidad Angular de la Llanta (Rad/Seg) 0 Relación de Transmisión Total
Radio de Rodadura (Mt)
Wangular =
(RPM x 2 x Pi)
60 Vel Lineal (Mt/Seg)= #DIV/0! Transmisión Total = Rel Trans x Rel Corona Wangular = 0 (Wangular x Rrodadura) Velocidad Lineal = Transmisión Total = 0 Transmisión Total Vel Final (KM/H) = 0 Velocidad Final = Vel Lineal x 3.6
