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Jon and V Boat Conversions & Modifications
Venting Fuel Vapors under rear decking
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<blockquote data-quote="pbw" data-source="post: 21615" data-attributes="member: 81"><p>Per Ky Fish and Wildlife boating laws ( located at https://fw.ky.gov/pdf/08fishboat6.pdf?lid=2032&NavPath=C102C682 )</p><p></p><p>Quote "</p><p>VENTILATION </p><p>Most fires on a boat are due to ig- </p><p>nition of fuel vapors. Gasoline is heavier </p><p>than air. It can collect in the bilge or engine </p><p>compartment and any spark can ignite it. </p><p>Therefore, Kentucky law requires boats to </p><p>have adequate ventilation of areas where </p><p>flammable vapors can accumulate. </p><p>Most boats are equipped with ad- </p><p>equate ventilation systems when they </p><p>come from the factory. Usually, </p><p>this is a combination of active and </p><p>passive systems. Active systems </p><p>use electrical blowers to exhaust </p><p>flammable vapors from the bilge </p><p>and other areas. Passive systems </p><p>are ducts and cowls that ventilate </p><p>areas when the boat is moving. </p><p>Almost all inboards will have an </p><p>electrical blower installed in the </p><p>engine compartment. Operators </p><p>should run the blower for several </p><p>minutes before starting the engine. If </p><p>the blower is inoperable it should be </p><p>repaired or replaced immediately. </p><p>"</p><p></p><p>I guess I've got to add some sort of vent to the rear decking, any thoughts?</p><p></p><p>I'm thinking louvers and maybe small 5 inch fan.</p></blockquote><p></p>
[QUOTE="pbw, post: 21615, member: 81"] Per Ky Fish and Wildlife boating laws ( located at https://fw.ky.gov/pdf/08fishboat6.pdf?lid=2032&NavPath=C102C682 ) Quote " VENTILATION Most fires on a boat are due to ig- nition of fuel vapors. Gasoline is heavier than air. It can collect in the bilge or engine compartment and any spark can ignite it. Therefore, Kentucky law requires boats to have adequate ventilation of areas where flammable vapors can accumulate. Most boats are equipped with ad- equate ventilation systems when they come from the factory. Usually, this is a combination of active and passive systems. Active systems use electrical blowers to exhaust flammable vapors from the bilge and other areas. Passive systems are ducts and cowls that ventilate areas when the boat is moving. Almost all inboards will have an electrical blower installed in the engine compartment. Operators should run the blower for several minutes before starting the engine. If the blower is inoperable it should be repaired or replaced immediately. " I guess I've got to add some sort of vent to the rear decking, any thoughts? I'm thinking louvers and maybe small 5 inch fan. [/QUOTE]
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Jon and V Boat Conversions & Modifications
Venting Fuel Vapors under rear decking
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