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Computech Systems RaceAir Pro - High Speed; Square Area; Blower OD

Computech Systems RaceAir Pro
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23
Area= 0.004926 (Total nozzle area in square inches, RECORD this)
Orifices= 8 (Number of nozzles)
Equiv Dia= 0.079 (Single orifice diameter equivalent in inches)
(Setup complete, press ENTER to continue)
High Speed Display Example:
== High Speed ==
Area= 0.004926 (Total nozzle area in square inches)
Main Pill? 0.060 (Enter baseline main bypass jet diameter in inches)
Old HSDia? 0.040 (Enter baseline HS bypass jet diameter in inches)
Old HS %= 16.21 (HS bypass % of engine fuel flow)
New HS %? 18.00 (Enter new desired HS bypass %)
New HSDia= 0.042 (New HS bypass jet diameter)
Orifice Square Area.
This program will calculate the square area of round orifices such as jets, pills, or nozzles. Varied
quantities and diameters are easily handled. An equivalent diameter for the total square area is
also provided.
Press TUNE-UP then Jetting Menu then select Square Area to start this program.
Display Example:
== Calc Area ==
# Orifices? 1 (Enter number of orifices of this size)
Diameter? 0.028 (Enter orifice diameter in inches)
More? No (Press NO to stop)
== Total Area == (Total area screen)
Area= 0.000616 (Total orifice area in square inches)
Orifices= 1 (Number of orifices)
Equiv Dia= 0.028 (Single orifice diameter equivalent in inches)
(Press ENTER to continue)
Blower Overdrive.
This program calculates the percentage of overdrive between the blower and the crankshaft .
Press TUNE-UP then select Blower OD to start this program.
Display Example:
== Blower OD ==
BtmPulley? 65.0 (Enter bottom pulley teeth)
TopPulley? 51.0 (Enter top pulley teeth)
Overdrv= 27.5% (Blower overdrive % or 127.5% of crankshaft RPM)