User guide

32 — HOT ROD CALC
1. Next, enter vehicle weight, and your actual ET and MPH, the
Wind Speed, and if available, Wind Direction, to calculate how
the wind effected your speed and time:
KEYSTROKES DISPLAY

LBS S 3840.

ET S 13.85 S

SPEED S 102.304 MPH

(Wind speed) WIND S 30. MPH

(Wind direction) WIND° S 5. °
2. Calculate the corrected ET and MPH
KEYSTROKES DISPLAY

WIND S 30. MPH
(Corrected ET) ETc 13.281 S
(Corrected Speed) SPDc 105.85 MPH
Repeated presses of
will toggle back through the inputs and
outputs, starting with the Wind Speed input.
So, if you were to re-do your run, everything being the same
except the wind conditions at the time of your recorded ET, you
would run a 13.281 at 105.85 MPH.
Estimating Vehicle Weight
Often, a racer will try to gure out what a particular race cars
weight is or what Horsepower is required to achieve a recorded ET.
For this example, rst clear the memory on your calculator,
including temporary and semi-permanent entries.
KEYSTROKES DISPLAY

ALL CLEArEd