> My initial reaction is:  Wow!,  50" Hg & 4500 rpm. You have way too much prop on that thing!   

Maybe, but I'm not at full power yet, and my GPS says I was doing 188.3kts. Keep an eye in you're mirror during the next race :)

 

> What is it? 

 

I'm not sure about the rpm. My tiny tach is hard to read and seems inconsistant. I need a better tach.

The prop is a 66 inch 84 pitch 3 blade with a blade area of 312 from Performance. Clark said he can cut it back, but not increase it, so we agreed to make it for about 280HP.

John

 

 

My GPS said 243 mph (211 kts) on one leg of the race.  Was your reading on the down wind leg too?  : )

 

Tracy