A customer of mine, Jerry, sent me a photo of his final kayak ergometer build from my plans. Jerry did a great job of re-using the metal upright from the original Nordic Track ski machine as an adjustable footrest. He also got very creative with the seat and back rest.
Way to go Jerry!
Learn more: https://davethekayaker.com/2020/02/03/home-made-kayak-ergometer-from-nordic-track-ski-machine/