j200pruf

Has Anyone ever experimented with this or not?



Thanks

-Justin

Capitancombo

The Wankel IS a "2 stroke" but i think expansion mufflers will not work

you don't have a phase completely overlappaed to the other

does anyboy know the angular diagram of the wankel?

cause expansion muffler work well on high overlap diagram (like two stroke engines)

Baldy

maybe on a P-port, because of the high overlap?



just guessing

DUB

Really?



Intake stroke - 1

Compression stroke - 2

Power stroke - 3

Exhaust stroke -4





Maybe you better count again.



http://www.rotaryengineillustrated.com/RE101.html

ZenRXSeven

Rotaries exhibit the four stages of combustion just like in conventional 4-cycle piston engines, but they operate more like 2-cycle piston engines. In a 4-cycle piston engine, there is one power stoke per every two revolutions of the crankshaft, as each piston moves 180° per stage of combustion (180° x 4 = 720°, or two revolutions). In a 2-cycle piston engine, there is one power stroke per revolution of the crank (or every 360°). A piston in a 2-cycle engine only makes two movements to complete it's firing cycle, whereas a piston in a 4-cycle engine makes four movements to complete it's firing cycle, hence 2 and 4-cycle/stroke. Of course, everyone knows that. However, a 2-cycle piston engine still exhibits the four stages of combustion, except that each one is not designated to a separate movement of the piston; intake is paired with power, and exhaust is paired with compression. A rotary is a totally different combination of the two. A rotary is most commonly referred to as a 4-cycle engine because the firing cycle includes four distinct combustion events, defined by the opening and closing of the ports as the apexes pass over them, but because of the triangular shape of the rotors, and their 1:3 rotational relationship to the eccentric shaft, their duty cycle is more similar to that of a 2-cycle piston engine, i.e. one power pulse per revolution of the 'crank.' Personally, I would sooner define a rotary as a 2-cycle engine as opposed to a 4-cycle engine because engine duty cycle provides a much more clear-cut definition of engine operation, rather than the peculiar oddities of how the many forms of internal combustion engines exhibit the four necessary stages of the combustion process.



Sorry, I know most of this stuff is just basics, but I'm used to having to explain why I put 2-cycle oil in my gas tank to people who drive Hondas.

Capitancombo

That's a really complete and easy explanation!

ZenRXSeven

Really? Thanks! I was hopped up on amphetamines when I wrote it.

Capitancombo

Not kidding

i was about to write something similiar but you were first!

ZenRXSeven