Port Angeles, Wash.-based vessel designer and manufacturer BRIX Marine has launched a new custom-built whale watching vessel for Allen Marine Tours in Alaska, BRIX announced Aug. 29. The 4818-HTC Raven has a 48-foot hull, a 17-foot-6-inch beam, a lightship weight of about 31,000 pounds, four 450-horsepower outboard engines and a fuel capacity of 600 gallons. “Raven is a 49 passenger-vessel built on our proven High Tunnel Catamaran design,” BRIX Marine Managing Director Perry Knudson said. “With the 1,800 horsepower provided by Yamaha, she’s fast, quiet and smooth.” “We also incorporated some additional amenities in the galley that elevate the experience…