
Faster with Bill Chambers Jan Lammers CEO RP3 Rowing Machines
Mar 20, 2023
Jan Lammers, CEO of RP3 Rowing Machines and a mechanical engineer, discusses the history of RP3 and its innovative approach to rowing technology. He explains how their dynamic rowing machines effectively simulate on-water rowing, reducing lower-back stress. The conversation dives into the development of E-racing and the future of connected rowing, showcasing how RP3 closely measures performance compared to traditional methods. Jan also shares insights on the importance of user feedback and plans for enhancing data integration in training.
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Choose App Or Built-In Monitor Wisely
- Use the RP3 app on personal devices for flexibility, and prefer a wired connection for testing accuracy.
- For clubs, choose the Model T with built-in monitor and generator to avoid battery and standardize displays.
RP3 Times Matched Elite On-Water Results
- Jan cites Oliver Zeidler's e-race time as within 0.3% of his on-water performance.
- Tim McLaren's tests with US crews found RP3 within ~0.5% of on-water times in controlled switch tests.
Different Machines Produce Different Athlete Rankings
- RP3 trains the same muscles and movement patterns used on water, producing different ranking outcomes than static ergs.
- Heavier athletes who excel on static ergs often lose advantage on RP3 because it favors technical rowing skill.


