What a difference a supercharger makes
Reviewed Nov 2016
A clean plane was achieved at 12.4kts (23.0kmh) with a minimum planing cruise speed of 14.0kts (26.0kmh) at 3000rpm using only 13.0lt/h. At this rev rate there was still no boost from the supercharger and the engine was incredibly quiet.
Only when the throttle lever was "floored" from a trolling rev rate was there a noticeable whine from the supercharger as we planed in a mere 2.5 seconds. And we achieved maximum speed in 15 seconds. Yikes!