This is often done by running hoses with inline blowers to unrestricted vents on the outside, because it would take a very large blower to match the air consumption of the engine. A bilge blower fan and an exhaust blower are often of the same type with one or the other installed in reverse.Īn inboard engine uses an amazing amount of air when running, therefore the air consumed during combustion must be replenished. Engine room and bilge ventilation is done by removing air while simultaneously replenishing it with fresh air, usually from the outside. Other areas such as bilges are prime candidates, and venting the bilge is a must.
But the engine room is not the only likely place for the accumulation of explosive or toxic fumes. Unapproved blowers defeat the purpose and could contribute to an onboard disaster. The engine room blower fan must be an approved type because if it is extracting volatile fumes, any spark or arcing could be a potential ignition source. That is why turning on the engine room blowers especially after fueling, is so important. This means that even if there is an abundance of flammable vapors, the amount of oxygen required for combustion is either exceeded or reduced. Ventilation disrupts the explosive air-to-fuel ratio. But there is one effective solution that can counter the effects of many contributing factors of an onboard fire or explosion, which we'll discuss next. There are multiple conditions that contribute to a fire or explosion onboard. Yet, it is surprising how many incidents still occur on a regular basis. Even diesel boats aren't exempt when we're talking safety and common sense-they should also have blowers for extra safety and ventilation of fumes. Older boats must meet USCG minimum ventilation levels, and may need a bilge blower to do so. In fact, the Coast Guard requires the use of a mechanical ventilation system for all non-open type boats built after Jthat run on gas. The best way to reduce the risk of this happening is prevention. Helping boaters prevent onboard explosions, fires, and toxic gas accumulation is a constant effort of many institutions such as insurance companies, federal and state laws and boating programs, and others. Little thing moves some air.The Importance of Engine Room Blowers on Your VesselĪn onboard fire or explosion is one of the most frightening encounters one can experience. Im sure when used for whatever this is supposed to be used for it would work beyond expectations. This fans been running for a few months and shows no sign of wearing out. Power is fed from a relay switched on at about 3/4 throttle. After some minor modifications to the air intake and removal of the original airbox this went into place. I bought this blower to use as a joke supercharger on my 91 escort winter beater. First of all i am not using this for its intended purpose.
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