A flame arrester (also spelled arrestor), deflagration arrester, or flame trap is a
device that stops ... of internal combustion engines; the air intake of marine
inboard engines ... The U.S. Chemic...
Because boat engines may backfire, all powerboats (except outboards) that are
fueled ... Backfire flame arrestors are designed to prevent the ignition of gasoline
All motorboats built after April 1940, with inboard-mounted gasoline engines (this
... It is illegal to have any holes in the mesh of the backfire flame arrestor.
Backfire flame arrestors serve a vital safety function on watercraft. ... must be
Coast Guard approved on inboard and stern-drive boats that use gasoline
engines. ... The confined space inside the flame arrestor does not allow enough
oxygen to ...
Prevents explosions on inboard gasoline engines.
Jan 7, 2016 ... It does a massive job of preventing explosions in a engine that backfires. A
backfiring engine in a gasoline fume boat is telling you to get the back ... There is
no known number of back firings that the flame arrestor can survive.
If your boat is gasoline-powered and has an inboard engine that was installed
after April 1940, it must have a Back-Fire Flame Arrestor (BFA) mounted to each
carburetor. ... in an enclosed engine space and prevent any sparks from causing
a fire. ... Coast Guard requirement does not apply to boats with outboard engines.
What boat builders need to know about marine gas engines. Why are ... But most
only act as a flame arrestor (also called a backfire flame arrestor). 11. ... Most
marine fuel injected engines do not have a pressurized return line to the tank. ...
As far as I know, no one in USA makes a new gasoline inboard engine for
An inboard engine operates according to a "fixed screw": Turning a rudder or ...
Proper fueling procedures are very important in preventing onboard fires.
Gasoline vapors are heavier than air and can spread rapidly into enclosed
spaces. .... engines the Coast Guard requires a backfire flame control or "flame
Backfire Flame Arrestor: A Coast Guard approved backfire flame arrestor is
required for inboard gasoline motors which are not exposed to the .... lantern
showing a white light which shall be exhibited in sufficient time to prevent