River Rat

a 20' modified sled river runner Build in PLYWOOD or

River Rat line drawing

Length overall 20'-2"
Beam 8'-0"
Hull draft 11"
Freeboard forward 3'-0"
Freeboard aft 2'-0"
Average passengers 2-4
Hull depth midship 3'-3"
Hull weight (approx.) 1100 lbs.
Displacement 3040 lbs.
Cockpit size 13'-6" x 6'-0"
  • Hull type: Modified sled garvey with 12o deadrise. Developed for sheet plywood or aluminum planking with built-in chine flat spray rail.
  • Power: Single or twin long shaft outboard motors; 50 hp minimum, 100 hp will suffice for general use, with higher hp optional. Inboard stern mounted engine coupled to an inboard/outboard or jet pump are optional. Maximum weight of 1000 lbs. An engine in the 300 hp range should be ideal for most purposes. V-drive can also be used but not detailed.
  • Can the hull be extended or shortened? Yes. Up to 10% as detailed in the plans. We do not recommend increasing the beam.
  • Trailer: Designed for use with Glen-L Series 3800 boat trailer plans.

Photographs Bill of Materials:
River Rat-PW / River Rat-Alum

Glen-L marine designs / www.glen-l.com / Boat plans for the home builder