Technology in Liverpool. It has a glass epoxy-resin composite hull with a detachable polyurethane covered solid closed-cell foam collar, and is powered by two Volvo marine diesel engines delivering each at 3,300rpm and driving Hamilton waterjets. This combination gives the boats an improved maximum speed of . The boat is long, has a beam of without collar and with collar, a draft of , a displacement of , and carries four crew. The maximum endurance at full speed is 3 hours. Mark III New Delta Power Group RIB Mark III E-Class lifeboat operated by RNLI allocated the fleet number E-10. Other The RNLI also had a Valiant RIB which was allocated the fleet number E-01. Notes References External links The E-class lifeboat on the RNLI web site Royal National Lifeboat Institution lifeboats