User guide
34 — HOT ROD CALC™
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.