Dowager is a 38′ 1931 matthews double cabin cruiser. exceptionally rebuilt/restored 1999 – 2001. asking price as of aug ’17: "make us an offer." ithaca, ny.. Download rc boat plans for your next project here. these rc boat plans are meant for scratch building radio controlled boats mainly from balsa and with a minimum of. Sam devlin produces a lot of plans. most of them, he makes available for anyone to build. this is where you can see his designs that are available as plans..