Size a racing fuel cell based on race duration, fuel consumption rate, and safety foam displacement.
Input Parameters
Results
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Total Fuel Needed
gal
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Gross Cell Size
gal
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Usable Capacity
gal
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Fuel Weight (Full)
lbs
Note: FIA/SFI-rated fuel cells with internal baffling and foam are mandatory in racing. Allow 15% reserve for yellow flag laps and consumption variation.
Reference
Total Fuel = Consumption x (Duration / 60)
Fuel Per Stint = Total / (Pit Stops + 1)
Gross Cell Size = Stint Fuel x 1.15 safety / (1 - Foam%)
Usable = Gross x (1 - Foam%)
Fuel Weight = Gross x 6.17 lb/gal (gasoline)