Up On Foil

Pump Foiling Theory explained by @foilien

August 31, 2026·1h 2m
Episode Description from the Publisher

Look - we all know - Pump foiling is difficult. We all have our tipps, tricks and ideas on how to pump better, longer or more efficiently. Lucien wasn't happy with the chatter on the docks and wanted to get to the bottom of it. He introduced the Pumpfoil Physics Simulator and the Dynamic Pumpfoil and Wave Riding Simulator.In this episode, we get to know Lucien (@foilien on Instagram), we learn about the simulators, and you might get one or the other idea how to improve your pump foiling.Thanks to Jens of the Foilsessions App for supporting the show.Get your Foiling App here: https://foilsessions.appThanks to the team around SurfEars for their commitment.Get yours here: https://6cZKVD.short.gy/surfearsThanks to the newest sponsor of the Podcast:www.vaikobi.com - You’ll find great watersports apparel here!Thank you for helping me out and get some hidden episodes: patreon.com/UpOnFoilCheck out my Website: www.uponfoil.comChapters00:00 Introduction and Understanding Foiling Mechanics and Physics07:47 Insights from Personal Experience and Anecdotes11:57 The Role of Weight and Technique in Pump Foiling15:58 Using the Simulator for Performance Analysis20:07 The Importance of Water Temperature and Viscosity27:55 Lift vs Drag: Understanding Foil Profiles32:15 Adjusting Parameters for Optimal Performance35:11 Normalized Power and Efficiency in Pumping40:55 The Impact of Weight and Setup on Performance45:15 Diverse Pumping Techniques and Wing Dynamics51:26 AI in Pumping Simulation and Rider Dynamics55:00 Neural Networks and Learning to Pump59:47 Community Feedback and Future Developments

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