I have reread this to try and catch some more minute details. I think I found them?
John said
I run a Mercury Mirage 15.25" x 17" pitch prop
daydreamer2 said
It has standard 15-17 painted black prop on it.
Now those look Real close to the same numbers don't they?
With my conversation with Ken @ PropGods yesterday he said it could be Night & Day difference as to how they perform.
He also said that The Mirage will swing a little easier than the Rev 4 if a motor is struggling a little to get it's RPM up.
I've got a Mirage 3 X 15 X 15 coming from him. It should be here Friday, so we can test this weekend.
Note that I just removed a Something Stainless? 3 X 15 X 16 that we tried last weekend. That is very close to the same numbers. The last prop we tried was a improvement, but it still struggled.
Also....You guys need to post pixs of which hole your motor is mounted in. A motor mounted to low.....and most are from the dealer / factory will throw spray and or just drag the performance down.
The motor needs to be mounted in the correct hole "BEFORE" you start prop testing. Otherwise.....Once you change holes you could very well be changing to a different prop.
Get the boat on a slick surface of water.....I know a lot of you have your boats on a slick surface right now, unfortunately it's not water and the boat is covered with some kind of White stuff that is cold and wet.
You want that cavitation plate running right on the surface. This will create less drag, improve fuel mileage and speed.
This is to deep and need to be moved up.
Here is where it was moved to.