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[darwin dali]

Mokhzani had earlier said circuit officials were already in talks with consultants on what lights could be used without creating glare or shadow.

Any experts on board? What kind of lights would you use to avoid glare and shadow?

[bud]

ultra violet wouldnt create glare or shadow, yet it wouldnt let the drivers see the track so bummer

[vegas]

night vision goggles mounted to the drivers visor.

[darwin dali]

night vision goggles mounted to the drivers visor.

Could be problematic with the heat from the engine of the car 5 feet in front of you producing a lot of glare.

[vegas]

Could be problematic with the heat from the engine of the car 5 feet in front of you producing a lot of glare.

Not thermal imaging but image inhancement.

Now go do your research on wikipedia

[madbrad]

Probably Mercury vapour. Really since you knkow what direction the cars will be travelling, you can put the lights in pots and aim them forward so they can't be directly looked at by the drivers, and the track and everything necessary will be as lit as they need.

[vegas]

Mercury vapour? Sounds deadly. What happens if a spectator inhales this mercury vapour?

[darwin dali]

No need to worry:


http://en.wikipedia.org/wiki/Mercury-vapor_lamp

[vegas]

That's a good idea using the mercury vapor inside the lamps. But how could you minimize glare from the mirrors if the lamps were directed forwards. Maybe a specially designed lamp filled with this deadly mercury vapor that was directed at a 15 degree angle and featured an adjustable visor.

[Boxofwonders]

Maybe the mercury will leak into the cockpit and make all the drivers go mad, which might result in fantastically daring overtaking manoeuvres.

[madbrad]

Mercury vapour? Sounds deadly. What happens if a spectator inhales this mercury vapour?

What on earth did you think I meant? It's a type of lamp! DD thanks for helping there.
The only reason I suggested that type of lamp is that it used to be used on a certain parkway in Toronto and was chosen for its low glare properties. It gives an orange coloured light. They replaced it with metal halide because people complained about the light colour disguising some road features or something like that, and also to improve energy efficiency.
There are a few types of gas discharge lighting:
mercury vapour
high pressure sodium
low pressure sodium
metal halide
flourescent
I would guess NASCAR tracks and ballparks use one of the sodiums.

[madbrad]

That's a good idea using the mercury vapor inside the lamps. But how could you minimize glare from the mirrors if the lamps were directed forwards. Maybe a specially designed lamp filled with this deadly mercury vapor that was directed at a 15 degree angle and featured an adjustable visor.

I don't think the pots would need to be angled forward very much so the drivers can't see them, and at such an angle hitting the mirror would reflect at the same angle downward, not straight back at the driver's head. You could see the light in your mirror if it was far back enough but it wouldn't glare.

Anyway if NASCAR can light their tracks, who are these girly pansy a$$ F1 drivers who can't handle it?

[vegas]

What on earth did you think I meant?

Well, at first glance I thought you meant using lights to reflect off the contrails of the cars driving though clouds of mercury vapor. But after reading it again I understood, and knew DD would correct me.

Since we do know what direction most of the drivers will be going we could angle the pots not forward and not straight down but between 15-45 degrees (if the track surface was considered x and the lighting angle was considered y then the lights could be angles at 45-75 degrees relative to x). This would direct the light forward but not enough to reflect into the drivers.

[madbrad]

I believe that's what I said.

"direction most of the drivers will be going" LOL I like that one!

[madbrad]

They probably don't make anything with mercury in it anymore anyway. Cars cannot have any, hence the disappearance of the underhood light.