bjornorn · HackerTrans

2 เดือนที่ผ่านมาdiscuss

At that scale I think ICE engines preferably run at the same RPM continuously, and a gearbox and a clutch would be massive and require a lot of maintenance. The electric motor gives you the huge amount of torque you need to get a train going from stand-still. Not sure what actually tips the scale though.

bjornorn

12 เดือนที่ผ่านมาdiscuss

They probably did a direct translation of this:

«Stargate Norway is planned to deliver 230MW of capacity, with ambitions to expand by an additional 290MW. The facility will target to deliver 100,000 NVIDIA GPUs by the end of 2026, with the intention to expand significantly in the years ahead.»

Makes it sound both like a power plant and a semiconductor factory..

bjornorn

ปีที่แล้วdiscuss

European sleeper trains are usually also powered by locomotives, and the individual cars don't have motors, so I think the jerk motion you've experienced is caused my poor couplings or something else.

bjornorn

4 ปีที่แล้วdiscuss

Here's a quote from the article:

> In 2017, the California Air Resources Board issued a warning that may seem incredible but has not been seriously challenged: By 2020, gas-powered leaf blowers, lawn mowers, and similar equipment in the state could produce more ozone pollution than all the millions of cars in California combined. Two-stroke engines are that dirty. Cars have become that clean.

bjornorn

4 ปีที่แล้วdiscuss

The downtube is mostly subjected to stretching forces. But maybe it does lose some stiffness compared to a normal bike.

bjornorn

4 ปีที่แล้วdiscuss

Could it be that it helps you long term in that it keeps you from needing even stronger correction?

bjornorn

4 ปีที่แล้วdiscuss

I guess they're referring to the upgrade from manual to automatic switchboards.

bjornorn

5 ปีที่แล้วdiscuss

Assuming Pidcock was in front on the actual finish line, his hub would have been about 5cm in front of the photo-finish line. That leaves about 3ms for him to finish the bike throw and return his hub behind Wouts hub. Seems like a stretch, but still a possibility :-)

Maybe you could also look at how deformed the wheel perimeter compared to a perfect ellipse to estimate the speed at different points?

EDIT: Or you could calculate whether it's humanly possible to move a bike a few centimeters forwards and back again in about 15ms, which I think the hypothetical bike throw must have been for Pidcock to be the actual winner?

bjornorn

5 ปีที่แล้วdiscuss

  >>> [0xfor d or cambridge]
  [15]

bjornorn

5 ปีที่แล้วdiscuss

oh-my-zsh tricks to blow your mind seems like a more appropriate title. I tried some of them in zsh, and they didn't work, because they assume you also installed oh-my-zsh.

comments