Recent content by jimbir

Thanks for the question. I got my numbers from an online calculator. I'll admit I was a very skeptical. I did more research and found a number of sites that showed the divisor could be anywhere between 25 and 40. This makes a lot more sense to me. In the future, I'm going to stick with 40 and...

Depending on the blade diameter, the most common engine CC ratings are 159 and 196 for walk behind mowers. These numbers divided by 15 gives you a rough idea of its horse power at maximum rpm. (Back in the old days, this was what was on the engines label telling you what it was rated at.) This...