Garwood speedster. it has been said that the 16 foot gar wood speedster is, pound for pound, the most valuable classic production speed boat in the world.. A large number of aluminum single hull (monohull) boat designs (plans) that serve a variety of purposes. these include orcas, outbacks, sitkas, sportsters, sport. Speed boat developments from the past into the future morley s. smith. abstract. speed boat development began in the early 1900’s with the development of the first.