Prop Chart Calculator

[Diegoboy]

I stumbled onto this Prop Chart (http://props4u.com/prop_chart.htm). Has anyone else tried it?

[Meniscus]

I use Steven's for a general idea: http://www.offshoreelectrics.com/conversion.htm

[Meniscus]

I need a calculator for 3 bladers!!!

[kevinlew211]

I need a calculator for 3 bladers!!!

The speed will be similar with 2 and 3 blades prop same total pitch, just more acceleration and amp draw on 3 blades