This DIY-er found a boat he liked in the PopSci archives. Then he built it.
Cool and Amazing DIY Water Pedal Boat Gearbox New Invention - YouTube
Pedal Your Kayak To Lose Weight
FARM SHOW Magazine - The BEST stories about Made-It-Myself Shop Inventions, Farming and Gardening Tips, Time-saving Tricks & the Best Farm Shop Hacks, DIY Farm Projects, Tips on Boosting your farm income,
Some questions about dual pedal prop drive on a cat | Boat Design Net
Pedal Prop- Add on pedal propulsion system for paddle sport watercraft Part 2 - YouTube
2pcs Model Ship Paddle Boat Propeller Diy Small Big Oar Ming Ship - Parts & Accs - AliExpress
Lampin MITRPAK Gearboxes Take to the Open Water - Lampin Corporation
FARM SHOW Magazine - The BEST stories about Made-It-Myself Shop Inventions, Farming and Gardening Tips, Time-saving Tricks & the Best Farm Shop Hacks, DIY Farm Projects, Tips on Boosting your farm income,
Pedal kayak propeller - YouTube
This DIY-er found a boat he liked in the PopSci archives. Then he built it.
DIY Pedal Kayak - Kayaking and Kayak Fishing Forum - SurfTalk