Endurance Innovation

Supersapiens CGM, iPhone 14 Sat, Noses

* 2:30 we are testing the Supersapiens CGM * 4:45 what is Supersapiens and what are continuous blood glucose monitors * 6:45 installing the CGM sensor * 9:30 the Supersapiens ecosystem * 16:30 the control system of blood glucose * 18:45 Actionable learnings in ‘flattening the curve’ * Take a walk after a meal * Apple cider vinegar?? * Food order * Caffeine * 23:00 use in training * 29:30 use outside of training * 30:45 the drawbacks * Keeping the sensor mounted * 35:00 iPhone 14 sat phone feature * 41:30 a study [https://www.jacionline.org/article/S0091-6749(22)01423-3/fulltext]on how cold weather impairs immune function of the human nose

John Buckley of Streamlines and Velosense

Endurance Innovation is now on Patreon [https://www.patreon.com/enduranceinnovation]! Have a peek at our page and show us some love. * 1:45 meet John Buckley of Streamlines and Velosense * 8:15 the birth and current state of the Streamlines Aeros aerometer * 17:00 on aerometer accuracy and repeatability in outdoor testing * 26:00 the Forma rider position sensor * 34:15 on the individuality of helmets and head positions * 37:30 on the pitfalls of displaying real-time CdA and the challenges involved in doing so * 46:30 possible use cases of real-time CdA despite its handicaps * 50:30 Streamilines data analysis * 56:15 a brief discussion of the effect of tire temperature on rolling resistance Keep up with Streamlines on their website [https://www.streamlinesaero.com/]. Follow Velosense on Instagram [https://www.instagram.com/velosense/].

Car AC, Garmin 955, Specialized TT Face Sock

Endurance Innovation is now on Patreon [https://www.patreon.com/enduranceinnovation]! Have a peek at our page and show us some love. * 3:00 on when to open your car windows * Average vehicle has a CdA of 0.6, so only ~11kW or 14hp used to overcome aerodynamic drag for the average car at 100kph * Average vehicle AC units consume 1.5kW - 3.0kW (2 - 4hp). 1.5kW / 2hp costs the equivalent of adding 0.11CdA at 100kph * The higher the speed, the greater the CdA hit of opening windows * Not much hard Cd data on open windows vs closed windows, but a convertible vs a hardtop delta is * 0.32 Cd for a hardtop and 0.36 Cd for a convertible * 13:45 Michael’s first impression of the Garmin 955 * Solar feature is underwhelming * Excellent optical sensor * Still full of bugs * Very good (seemingly) GPS tracks * 25:30 Andrew remembers the Platysense Marlin * 28:00 Speculating about the new Specialized TT helmet face sock

Diaa Nour is Back!

Endurance Innovation is now on Patreon [https://www.patreon.com/enduranceinnovation]! Have a peek at our page and show us some love. * 2:00 the state of the bike industry * 6:30 supply chain challenges * 14:00 what the future holds for the bike industry and Ventum in particular? * 17:15 on the supply of frames * 19:30 the costs of protecting the brand * 22:45 releasing bikes during the pandemic * 28:40 where is the demand for bikes headed? * 32:15 more humans on bikes and Ventum’s foray into e-bikes Learn more about Ventum bikes and get your hands on one at the Ventum Racing website [https://ventumracing.com/bikes/]. Follow Ventum [https://www.instagram.com/ventumracing/?hl=en]and Diaa [https://www.instagram.com/diaa10/?hl=en]on Instagram.

Running Power Experts Hans van Dijk and Ron van Megen

Endurance Innovation is now on Patreon [https://www.patreon.com/enduranceinnovation]! Have a peek at our page and show us some love. * 2:00 meet life-long runner and retired professor of engineering Hans van Dijk * 5:00 meet (also a) lifelong runner and engineer Ron van Megen * 9:00 where does all that work that we do as runners go? * Overcoming running resistance (influenced by running efficiency) * Overcoming aerodynamic drag * Overcoming changes in elevation * 11:30 running efficiency / energy cost of running (ECOR) * Potentially large interindividual differences: up to 20%! * Minimized through training * 13:15 aerodynamic drag * Average runner CdA is 0.24 in free air and 0.20 while drafting * Eliud Kipchoge was down to 0.16 during his Breaking 2 attempt * 18:15 changes in elevation * Running efficiency improves when running uphill and worsens when running downhill * 20:30 factors that influence running efficiency / ECOR * Global, multi-year training load: more training tends to reduce ECOR * Experiment with: cadene, arm carriage, shoes, etc., to find minimal ECOR * Reduce weight * 31:30 factors that affect aerodynamic drag * Runner speed * Drafting * 34:00 Hans and Ron’s models of run performance * 39:00 using the stryd power meter to calculate running efficiency Learn more about Hans and Ron and browse their books at their website [https://hetgeheimvanhardlopen.nl/en/].