Operational Check # WA 43 refers – Rigid Type Engine Mounts.
Replaced Vee8 17.2L FPT8281SRM 70 700mph @ 2200 RPM.
Engine is now easily accessible compared to previous Vee8.
The Yanmar 6HYM-WET is 300kg lighter.
Top speed has increased by 2 knots.
Cruise speed at same RPM as previous engine also 2 knots faster.
Fuel consumption to be confirmed but its lots less than with old engine. Engine RPM IS 44RPM below what it should be so more speed to be realised and better fuel consumption.