Revolutions of a driving shaft

[heraclius]

Homework Statement

How many revolutions does a driving shaft of an eight cylinder four stroke engine perform until every cylinder has ignited once ?

Homework Equations

4 - 8 - 6 - 2

The Attempt at a Solution

Moreover, I would like to have information and understand the logical solution of the question.
Can anyone explain me as detailly as he/she can ?

Thanks in advance!

 

[berkeman]

Homework Statement

How many revolutions does a driving shaft of an eight cylinder four stroke engine perform until every cylinder has ignited once ?

Homework Equations

4 - 8 - 6 - 2

The Attempt at a Solution

Moreover, I would like to have information and understand the logical solution of the question.
Can anyone explain me as detailly as he/she can ?

Thanks in advance!

If it were a single cylinder, 4-stroke engine, how many revolutions does the drive shaft make per ignition? If you need help understanding engines, try this website:

http://en.wikipedia.org/wiki/Engine (check out the animation part-way down the page)