How to choose between our fast build quick canoes and our classic eureka canoes. quick canoe 155 – a simple plywood canoe – plans $30. length – 4.7m (15ft 6ins). How to make the most out of your one sheet boat. the ultimate one sheet boat, prism: discussion on maximising the displacement. free boat plans and building instructions.. What is a puddle duck racer. the pdracer is a developmental one design racing sailboat that is basically a plywood box with a curved bottom and is the easiest boat in.