67 mph Rigid Inflatable Boat Humber 700 hp March 10, 2020February 5, 2023 Karel Overlaet, RIB Advocate Join us on the Black Scorpion, a Humber 700 hp RIB. They hit 67 mph on the Menai Strait from Beaumaris to Puffin Island. Others Also Read...Mercury Unleashes New V10 400R High-Performance Outboard The 5 Basic Marine Knots You Should KnowBlue Spirit 700 FRC Yachting Sturdy LookingRigid Inflatable Boat 2019 Nuova Jolly 700 Seafish