• Hydrodrag Rules | Pro Rider Watercraft Magazine
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    Hydrodrag Rules
    Apr201315

    Special thanks to the HydroDrag Rules Committee and Mike Hodges of RIVA Motorsports for their input for the 2013 rulebook.

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    23.3 FUEL

    23.3.1 Naturally Aspirated, Pro Stock, Super Stock & Limited Classes: Fuel must consist of unleaded gasoline only. For the pur­pose of this rulebook “gasoline” is defined as a mixture of hydrocarbons and oxygen bearing compounds with the following clarifications:
    · Oxygen content must not increase the specific energy of the gasoline.
    · Oxygen content must not exceed 3.7% by weight.
    · Oxygen content must have been blended in by the refiner or the fuel manufacturer.
    · Specific gravity must be between: .715 – .770 at 60°F (15°C).
    · The only allowable oxygenates are ethers and alcohols. Epoxides (example: propylene oxide) will not be considered ethers. Nitrogen bearing compounds are not allowed.
    · Most commercially produced unleaded fuels and oils will meet these criteria. However some may contain additional additives that do not to meet these criteria. It a racer is unsure about his/her fuel the racer should have it tested by a Technical Inspector.
    23.3.2 Unlimited Class: Fuel may consist of unleaded and leaded gasoline. Nitros Oxide systems may be added.
    23.3.3 NITRO METHANE AND ALCOHOL ARE PROHIBITED IN ALL CLASSES.
    23.3.4 TESTING: All competitors are subject to random fuel testing at any point during competition at the discretion of the race director or promoter.

    Refusal to submit a fuel sample will be considered and dealt with as if a sample were found to be illegal. If a sample is found to be illegal during a qualifying or elimination round that competitor will automatically and immediately be disqualified and the competition reinstated as the winner pending fuel testing. Winners of final overall rounds are required to submit fuel for testing immediately after competition.

    If a sample is found to be illegal that competitor will automatically and immediately be disqualified and the competition reinstated as the winner pending fuel testing.

     

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