![Need physics help with this diy bicycle-kayak setup. I don't expect it to work great, but I want to know why it's swinging back and forth. : r/ Kayaking Need physics help with this diy bicycle-kayak setup. I don't expect it to work great, but I want to know why it's swinging back and forth. : r/ Kayaking](https://preview.redd.it/need-physics-help-with-this-diy-bicycle-kayak-setup-i-dont-v0-3m827xv3kh191.jpg?width=1080&crop=smart&auto=webp&s=cd383b78b3383446d86772d86257f0d0c4c69363)
Need physics help with this diy bicycle-kayak setup. I don't expect it to work great, but I want to know why it's swinging back and forth. : r/ Kayaking
![Homemade DIY Kayak Ergometer from Nordic Track ski machine – Dave The Kayaker | The new home of West Side Boat Shop kayaks Homemade DIY Kayak Ergometer from Nordic Track ski machine – Dave The Kayaker | The new home of West Side Boat Shop kayaks](https://davethekayaker.com/wp-content/uploads/2020/08/cropped-cropped-117325217_3278508315707663_2049245898607238051_o.jpg)
Homemade DIY Kayak Ergometer from Nordic Track ski machine – Dave The Kayaker | The new home of West Side Boat Shop kayaks
![Sawfish, the Unsinkable, Lightweight, Foam Kayak, Free DIY Kayak Plans, Anyone Can Build : 34 Steps (with Pictures) - Instructables Sawfish, the Unsinkable, Lightweight, Foam Kayak, Free DIY Kayak Plans, Anyone Can Build : 34 Steps (with Pictures) - Instructables](https://content.instructables.com/F2G/VAWW/K900EHA3/F2GVAWWK900EHA3.jpg?auto=webp&frame=1&width=320&md=9d8b3c3cbae8c794dbdd5e0ad2ebfd8b)