# The internal combustion engine

#### Ugnius

1. Homework Statement
Hi , I'm struggling with new paragraph about internal engines.
When four-stroke internal combustion engine spins crankshaft 100 times , piston does 300 ticks.
How many cilinders does engine has?

2. Homework Equations
I don't know how to create equation to calculate that , i need help.

3. The Attempt at a Solution
None , i don't have equation

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#### I like Serena

Homework Helper
1. Homework Statement
Hi , I'm struggling with new paragraph about internal engines.
When four-stroke internal combustion engine spins crankshaft 100 times , piston does 300 ticks.
How many cilinders does engine has?

2. Homework Equations
I don't know how to create equation to calculate that , i need help.

3. The Attempt at a Solution
None , i don't have equation
Hi Ugnius!

A four-stroke engine has 1 ignition in every 2 turns of the crankshaft (intake - compress - ignition - expand - exhaust).
It's the ignition that gives the tick.
So if we'd have 1 piston, we'd have 50 ticks, but instead we have 300 ticks...

"The internal combustion engine"

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