Hysteresis in Marginal Gains
Hysteresis in Marginal Gains
Hysteresis is the term for processes that behave differently in one direction than in another. Understanding it is critical for flying, for dampened suspension systems, and for being aero on your bike. Yep, in this episode we'll be making liberal use of analogies that include a Tempurpedic mattress, a rolling tire, mountain bike suspension and a fair number of Hitchhiker's Guide and Top Gun references. Enjoy this episode of Marginal Gains!
Interesting Links, Sources, and Additional Reading From this Episode
Hysteresis loops for inviscid flow in wings:
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Is there any studies being done on the Hysteresis on wheels?I actually had in the late 90’s the Spenergy SPOX wheels with the fiber spokes you could tie into a knot. They where actually really comfortable ride to them but also would flex on sprints and man if you had them on a trainer they would flex enough to rub your brake pads. Anyways I’m curious to the effect wheel material and there stiffness effects the Hysteresis.
Having read wheel building books I understand that a wheel also flattens and rebounds as it comes around to the road.
How much energy is being lost with stiffer wheels vs a more flexible one?
Say with aluminum spokes or carbon vs steel spokes, and the difference in bladed, straight gauge and double butted spokes.
PS really enjoy your Podcast and the videos On YouTube
Hysteresis is the term for processes that behave differently in one direction than in another. Understanding it is critical for flying, for dampened suspension systems, and for being aero on your bike. Yep, in this episode we’ll be making liberal use of analogies that include a Tempurpedic mattress, a rolling tire, mountain bike suspension and a fair number of Hitchhiker’s Guide and
Great episode. However, did I miss where I’m supposed to be able to use some of this information to determine my ideal tire pressure for various road conditions?
As an airline pilot and a cyclist this episode was most enjoyable. Also, loved the “bonus content” regarding the history of the the word hysteria.
I have a question regarding what would be the most appropriate aero wheel set for me. I’m 5’6", 140 lbs. It’s often windy where I live. I’m more interested in climbing and not getting dropped from the group than sprinting.
no. 1 tire with all your weight is equivalent to two tires, each with half your weight – meaning two tires do not have twice as much drag as one tire, but (because each tire is only bearing half the weight) the same amount of drag as riding a wheelie.
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