Knock- what you know and what you think you know
#31
rotorhead
iTrader: (3)
Also, just to illustrate the knocking zone a little better:
The orange area is the knocking zone but on a rotary engine it also happens to correspond with the main "squish area." A squish area is a part of the combustion chamber that has a very concentrated air/fuel mixture due to the engine geometry. Piston engines also have squish areas. Squish areas aren't "bad" things.
Here is the squish zone in a Toyota 1ZZ engine (Corolla/MRS engine):
Here they are in a Subaru 2.5 turbo boxer engine:
Here are the squish zones in a Toyota 2JZ engine, when looking at the head:
The orange area is the knocking zone but on a rotary engine it also happens to correspond with the main "squish area." A squish area is a part of the combustion chamber that has a very concentrated air/fuel mixture due to the engine geometry. Piston engines also have squish areas. Squish areas aren't "bad" things.
Here is the squish zone in a Toyota 1ZZ engine (Corolla/MRS engine):
Here they are in a Subaru 2.5 turbo boxer engine:
Here are the squish zones in a Toyota 2JZ engine, when looking at the head: