Learned something new about trim tabs...

[jeffk]

Originally Posted by Dave R

I installed a gauge in my boat the measures speed and fuel flow and compares them to display near real-time MPG to two decimal places and it updates once per second. Running with the tabs down at a full plane is substantially more efficient than running at barely planing speed (regardless of tab position). I lose about 10% economy when I run the tabs down at speed. I lose at least 30% when I am barely on plane.

Really neat. I was envisioning that someone could monitor this to find out but not without installing special equipment. Nice to know.