How do I change a particle cone size

Hi all, I want know how do i change a particle cone size.

I tried to change on it properties and had no effects. The Particles goes arround 300 pixels, and i want just 32 pixels from its center. Sorry for my English.

'Spray cone' property sets the angle of the cone, say 360 will make a full circle.

There is no property to set cone size (or radius).

It can be done with a combination of other parameters - speed, acceleration, timeout etc.

For example if you set initial speed=32, timeout=1, acceleration and all random values to 0, then you'll get a cone spray with 32 pixels radius.

OK, thanks, i will try this...

OK, was this but on the particle lifetime properties.

Thank you again...