The Deben 400 is a rowing skiff inspired by the Cornish Flashboats-they were 18' or more in length and used around Fowey for river transport. This version is just under 13' long and for single recreational rowing.

She has a narrow flat bottom panel and 3 side panels with a fairly narrow WL beam and slack bilges for minimum wetted surface area. Construction is simple stitch and tape and 4, 5 or 6mm ply may be used.

LOD 10'9'' (3.27m); Beam 4' (1.22m); Depth amidships 1'2'' (.34m); Approx.wht.75 lbs (34 kg).