You have to have little sympathy for sportsman who abuse themselves with enhancing drugs and then die early or live but sustain various problem with their health.
In terms of naturally being so fit that you could die I agree with the programme maker it is unlikely.
I think I alluded to that in my first post on this topic. Under the same skier, the smaller surface area ski would exert more pressure (in psi) on the surface of the snow…assuming the condition and profile of the snow surface being encountered is identical in both cases.
Mind you, we’re taking about minuscule differences, but all such changes contribute to differences in speed.
I have considered that an airborne skier rids itself of friction from the snow for the time said skier is above the surface of the snow. However, when impacting the snow again, upward forces exceeding the weight of the skier must be applied by the snow to end the downward movement…thus the temporary gain in speed may be diminished, canceled completely or result in a slower skier speed.
I have been watching the Lauberhorn men’s downhill in Wengen which is the longest downhill race in the world. Note - they turn 90 deg at 70mph which apparently you can’t do on a bike! It’s on Eurosport 2 I think. On Saturday, it is the Streif in Kitzbuhel.
There really is something impressive to watch skiers at this level doing this. It might not appear to special for good skiers watching it but for someone like me watching say olympic skiers it really is gripping. I watch the British Super Bikes or similar racing and know how easy it is to do what the riders are doing but this stuff just looks like, at any moment shit is likely to happen and it could end really badly
…and it may very well be true. The angle of the skis in a sharp turn actually deforms the snow into two banked “tracks”, one beneath each ski…and I think the weight of the skier is applied more heavily on the outer ski.
This could make the effective “coefficient of friction” relative to sideways movement of the skis (and the leaning skier) much greater than if the ski surfaces were parallel to the snow surface.
Theoretically, the maximum coefficient of friction between a rubber tire and a paved solid surface is 1.
Theoretically, the fastest a dragster could go in 4.441 seconds is about 97 miles per hour.
I used 4.441 seconds because that was the record breaking ET of top fuel dragsters in 2003.
The top quarter mile speed record in that same year was 333.00 mph.
There’s no use applying coefficient of friction religiously when either the surface or the contacting object can be deformed from being flat and smooth.
A coefficient of adhesion can be greater than 1. With soft tire rubber, small indentations in the pavement allow for the forming of small rubber “gear teeth” protruding into the pavement.
There was a fatality on that course back in 1991 and it’s on YouTube. I regretted clicking on it, it’s horrific. Now I think they have really improved the safety features, like having 3 layers of netting at the sides. They reach speeds of up to 160kph, that’s 100mph. Did you hear towards the end, they struggle not to black out during the last couple of turns because there is so little blood left for the head?!
It is surprising to me that there are not more fatality’s or certainly serious injuries (unfortunately like Schumacher’s). The protection is somewhat minimal, the speeds, upto 100mph are certainly outside the limits of safe impact for us mere mortals, with our skeletal frame and thin skin. It really is beyond the boundaries of what a human has evolved into, in fact a cheetah at it’s top speeds of 70 mph would even suffer badly from a fall at 100mph.
It is quite reassuring that the death toll at these events is as low as it currently is and yes they need to continue to make the courses safer from high impacts just as they had to do in formula one. It took a lot of pushing from the drivers but it seems to have worked and that also has become a safer sport.
And I still don’t think we should be doing these speeds without an engine