Sales pitch of the day.

[tcm]

Re: armchair expert wades in

ooh this sounds quite intresting.... Tho er F1 cars don't have much batteries onnem do they? And also no aircon or starter motor or winkers or headlights or lectric seats or windscreen wipers, washers, fans, cd player, 12v sockets, interior reading lights or even hazard warning lights! So, it's a brake light innit? And if it's a ferrari that wouldn't work anyway...oo er that was mebbe the problem...

 

[Guest]

Re: well then! Not total garbage at all?

any advantage to nitrogen filled fenders, then?

 

[Chris_d]

Re: I\'m going to regret this, but..

F1 brake lights.

Now of course this isn't just a bulb, they wouldn't survive even
the engine being started without being shaken to bits.
F1 cars have LED arrays built to a precise spec, the angle of
emmission, light intensity etc,, they have to flash at predefined
rate determined by the chief medical examiner, this also reduces
the power consumption, the main battery is very small so any load
on the alternator sapps engine power. The LED array is split into
6 circuits with individual regulators to guard againest failure, there
is another IC to control the light intensity and switch to bright
mode (brakes enabled). The actual light is supplied by an approved
company on Bernie's payroll, subsidised cost £300 we add about
another £200 of bits and peices and time, so cost of this bulb is about
£500, you will need about 25 for a season.
The light has 5 connections a permanent 12V feed and a ground, then
a TTL logic feed from the car computer via a CAN network from the steering
wheel display mode selector, this works like that i-drive system, you
cursor through a series of menus until you come to miscellaneous
menu, select option 6 or 7 for Inters or rain and the LED array will be
enabled. A 4th wire provides a feed back signal to the Accident data
recorder to record the state of the light, a 5th logic signal is supplied
from the ADR to enable the bright mode (brakes-on).
This signal has to come from the ADR because the teams cannot be
trusted to turn the brake light on at the correct time, so the ADR
logs brake pressure as well. The italians suggested that someone
might delay or turn on prematurely the brake light to confuse the
following driver (well an englishman wouldn't do that would he).
The tail light also is enabled when the pit lane speed limiter is
active and is used in the garage to warn the mechanics that
the gearbox is enabled, this is incase the steering wheel
human interface pops it into reverse!

And yes there are a few other rather complicated electrical bits, but
I'm bored now.

By the way TCM stands for "Traction Control Module" but it doesn't
actualy exist, being merely a peice of code running somewhere
inside cyberspace.

<P ID="edit"><FONT SIZE=-1>Edited by Chris_d on Fri May 10 11:04:37 2002 (server time).</FONT></P>

 

[jfm]

Re: I\'m going to regret this, but..

Sheesh! Thx for explanation!

BTW, do you have any spare ADRs? I could do with one, praps with a modem so could send the details directly to my insurance company. I need one with lots of memory, praps a few megs..... <G>

Which team you with? Go on tell us!

 

[Chris_d]

Re: I\'m going to regret this, but..

The clue was there, which driver had several large sexseeker's,
they sponsored him, but he never slept on them, article was
in MBY a few years ago.

Keep it to yourself though ;-)

 

[jfm]

Re: nearly fig\'d it out...

Ah right got ya! I rem the MBY article, had JButton's Princess 20m old man's boat in it. Actually can't rem the driver who it was claimed had the sexseekers (DC?), but will look it up tonite!

 

[tcm]

Re: boat-car

I thort it must be irvine but it's whingebag mansell. What a totallly excelent engineer we must have in our midst, seeing as mansell failed to win, ever, except in the fastest car.

 

[KevL]

Re: I\'m going to regret this, but..

No CHMSL then


--
Tides - Never there when you need one.
Wind - Always there when you don't.

KevL

 

[Chris_d]

Re: I\'m going to regret this, but..

No, doesn't matter how many or where, racing drivers only see red anyway.

 

[Robin2]

I went with my daughter to look at a car she was thinking of buying - turned out to be an Arthur Daly sort of place so we only went in for fun.

I pointed out to the anorak in charge (i.e. the only one there) that the wing was a bit bent. His reply was priceless - "It came in like that"