[Gasification] SFC for De-rated EnginesWas:smallscalegasifiers for those that need them

[Harmon Seaver]

gfwhell at aol.com wrote:
> Crank case compression on large 4 stroke diesel engines is avoided as a safety measure, one of the ships I was on had fiber board panels installed on 
> both sides of the lower crank case. the crank case is normally aspirated to a negative pressure, to avoid destructive?explosions. when an explosion does occur, due to the ignition of hot oil mist being ignited within the crank case. the fiber boards blow out "fairly" harmlessly. much better than having cast iron shrapnel.
> On the other hand a greater danger exists with worn rings, because this can cause the engine to "run amok", Other than preventing air from being sucked into the upper combustion zone the engine can explode due to centrifugal force. getting all the fuel and air it needs from the crank case.This can be a very traumatic experience.
> 

   Even small diesels do that.


-- 
Harmon Seaver