34 — H
OT
R
OD
C
ALC
™
KEYSTROKES DISPLAY
0.
1. Enter the estimated Vehicle Weight:
LBS S 4280.
2. Enter the 1/4 ET:
ET S 13.656 S
3. Solve for the vehicle’s estimated rear wheel HP:
HP MSA 332.17
Building from the prior example, let’s correct the estimated rear
wheel HP based on current local measured weather conditions of
73° F, absolute pressure of 25.88 in Hg, and 14% relative humidity,
then calculate the estimated Horsepower again.
KEYSTROKES DISPLAY
4. Enter current local measured weather conditions:
TEMP S 73. °F
(Absolute Pressure)
P-ABS S 25.88 INHG
RH% S 14. %
5. There is no need to re-enter the Vehicle Weight or the 1/4 ET as
they are currently in the calculator’s memory from the previous
example.
6. Solve for the vehicle’s estimated MSA HP, Corrected HP, and
HPc:
HP MSA 399.281
HP 332.17
HPc 1.202
Repeated presses of
will toggle through the entered weather
conditions, followed by the entered ET and Vehicle Weight.
Summary of Contents for Hot Rod Calc 8703
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