PORTSMOUTH — A limited-liability company managed by Maine developer Patrick Tinsman, Velocity NBC LLC, was the sole purchaser of the Newport Beach Club off Bristol Ferry Road, according to legal documents associated with the real estate transaction.The company agreed to pay nearly $9.8 million for the upscale development on the shores of Narragansett Bay from Northern Waterfront Associates Limited Partnership based in King of Prussia, Pennsylvania, according to a quitclaim deed [...]