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Are your above listed "counter arguments" not perfect examples of straw men? Honestly? Or did anyone here actually say those words?GrimSurfer wrote: ↑Mon Jan 02, 2023 7:43 am
The counter arguments have ranged from the laws of physics don’t apply to skiing, gravity doesn’t matter in skiing, and some straw man arguments about cycling.
@GrimSurferGrimSurfer wrote: ↑Mon Jan 02, 2023 7:43 amThis is a noble effort, Martin.
Regrettably, only one side of the discussion was about physics. That side laid out a position and provided a link to a book written by a ski instructor-physicist for a ski instructor association.
The counter arguments have ranged from the laws of physics don’t apply to skiing, gravity doesn’t matter in skiing, and some straw man arguments about cycling.
What’s really happening is that some people are offended by the notion that their views on how a cable binding works might have been wrong.
Those counter arguments weren’t mine. Yes, you are correct. They were strawmen. Yes, people actually did write those things.Roelant wrote: ↑Mon Jan 02, 2023 7:52 amAre your above listed "counter arguments" not perfect examples of straw men? Honestly? Or did anyone here actually say those words?GrimSurfer wrote: ↑Mon Jan 02, 2023 7:43 am
The counter arguments have ranged from the laws of physics don’t apply to skiing, gravity doesn’t matter in skiing, and some straw man arguments about cycling.
I have most of my arguments in the other thread, but the equal and opposite force holding the spring to the rat trap is generating torque on the rat trap. You seem to constantly forget about that part. In a static situation that torque is the same but opposite as the torque generated by the ground and the ski tip. And the torque generated by the skier leg, too. So yes, the forces cancel each other out, so nothing is moving, you are right. But there is now more pressure on the tip of the ski than the rear of the ski. On a TTS binding, this would be impossible without the cables (I mean springs).GrimSurfer wrote: ↑Mon Jan 02, 2023 8:39 amI agree with all those things. Every single one.
The binding, boot and cables are a closed system however. Whatever force the cable exerts on the back of the boot is opposed by an equal and opposite force holding it to the rat trap. (Your diagram appears to show a sliding binding, which is quite different than a standard fixed 3 pin binding with cables that has been the subject of this discussion).
The cable does play a legitimate role as a control element in a standard three pin binding. With it, a skier might be able to shift weight more confidently. This confidence could add speed into the equation. But none of this will affect actual weight transfer because it is still about gravity, skier weight, skier ability, and the duckbill.