kenzo42

iTrader: (6)

Splashed ginseng tea with honey on my mobo. It's dried but a little sticky. Run it as is?

rleete

iTrader: (21)

Wash with alcohol.

Godless Commie

iTrader: (2)

Serious question:

Take a downhill ski race course and duplicate it on level ground. (paved)
Turns should be identical.
Would a ski racer and a race driver follow identical lines on respective tracks for best results?

They are not racing each other, but just trying to achieve best results on their own.

shuiend

iTrader: (24)

Because you should be using Bash.

Joe Perez

iTrader: (8)

Joe Perez

iTrader: (8)

Bash is perfectly well and good if you're using Linux.

Some of us need to use certain applications for work which are available only for the Windows platform.

codrus

You can run bash under Windows.

--Ian

codrus

No, they would not be identical. The ideal line for a race car depends on the power and grip levels of that car, so a Miata and a Mustang wouldn't use the same line through it. A ski racer gets his "power" from gravity, which isn't going to line up with either car.

--Ian

aidandj

iTrader: (5)

They would be very different. Not just "power" but terrain, snow condition, speed of entry and many other factors are different.

There are similarities (going slower at turn entry to maximize speed on exit) and similar apex's but its still quite different.

Source: Ski raced competitively for 12 years.


Product recommendation request:

I'm in need of a car battery charger. But I would also like a jump box.

Suggestions? Preferably compact and easy to move around. Not battery powered, but wall outlet powered. ~$100 or less

Current first choice:

https://www.amazon.com/Schumacher-SC...a_1_13&sr=8-13

codrus

Then buy a battery charger and a jump box, but don't try to mix them into the same product.

I have a 15A B&D "Vector" charger. Alas, I don't think they make them any more.

For jump box, I have an Anker lithium ion pack that I'm quite pleased with.

--Ian

aidandj

iTrader: (5)

I want them in one box. I don't need another battery powered thing that will be dead when I need it. And will die slowly over the next few years.

I want something to plug in and go.

codrus

I have a "150A start assist" charger, it's useless. Gets confused all the time when trying to charge AGM batteries, and I've also never actually had a case where the "150A" out of it was useful. Either the car will start on its own (albeit slowly), or it needs more current than the thing can supply. You just can't get enough power out of a NEMA 5-15 to make a real difference.

--Ian

aidandj

iTrader: (5)

Odd. I've jumped the miata a few times with an older one i borrowed.

y8s

iTrader: (8)

Try this:
car must have 9.8 m/s2 constant acceleration
top speed limited to 160 kph
no brakes
rock hard tires, prone to sliding

GO

aidandj

iTrader: (5)

Source proof:

hi_im_sean

iTrader: (3)

Its funny how your mouth is always open like that...

aidandj

iTrader: (5)

Learned from your mom

hi_im_sean

iTrader: (3)

Godless Commie

iTrader: (2)

Matt, no.

A downhill skier does not accelerate at 1 G. Their acceleration would be a function of G, the angle of the slope and wind resistance + friction.
It's not freefall in a vacuum.
And acceleration is not constant.

There are many tracks with tight turns and short straights where a car would not be able to exceed 100 mph, so that is not a deal breaker.
Besides, I was asking about whether or not a car and a skier would follow identical lines through identical turns.
Speeds could be different, but that does not mean lines should be.

You'd be surprised how much braking skis are capable of.
I'd be willing to bet a skilled skier would be able to outbreak a lot of cars at sane speeds.
Skis also turn quicker than a car.

And, a pair of downhill skis are nothing like rock hard tires.
You can generate pretty impressive lateral G forces on a decent pair of skis.
Yes, you can slide if you like, and that really bleeds off speed in a hurry.
If your boots are cant-adjustable, or if you have perfect stance (I do) you can maintain a lot of speed when you need to.

----

I was watching men's downhill races and started paying attention to all the different lines the racers were using.
That got me thinking.
Inevitably, those who turn in early and get an early apex are faster overall.

aidandj

iTrader: (5)

Lines are different. But idea is similar. Shortest path while maintaining the most speed.