'Halo' safety system being introduced in 2018 *UPDATED*

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kals
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#106

Post by kals »

Bottom post of the previous page:

Ian-S wrote: 6 years ago Boys don't wear dresses.

too soon?
Depends if you decide to delete your entire history in a couple of days... :whistling:
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#107

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Yeah depends if you're a sensitive soul, or as someone else but it on the BBC, cannot take critism.
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#108

Post by Everso Biggyballies »

It seems that the incorporation of the halo devise has caused many more problems than meet the eye of the great unwashed (ie us armchair 'fans').
I cant remember the last time I saw a double decker bus on track during an actual GP, but it is comforting no doubt to know that if one was on track, and it happened to fall over on top of an F1 car, then the halo would withstand it!

Here James Allison, Tech Director at Mercedes, outlines the issues:


The late addition of the controversial halo into Formula 1 this year has forced teams to heavily modify their chassis to accommodate the device.

Fitted to a number of cars during practice sessions last year, the halo has become compulsory for the 2018 season as a standardised component for all teams.

“Adopting it has been a significant challenge,” said Mercedes technical director James Allison.

“This is not a light piece of work, it’s several kilograms of titanium that need to be put on the car, and all the changes that we needed to do to accommodate it so that the overall car would still stay below the weight limit.

“We had to strengthen the design of the chassis so that it would be take roughly the weight of a London double-decker bus sitting on top of this halo to make sure it would be strong enough to withstand the type of event they are designed to protect the driver’s head against.”

However the sheer weight and chassis implications of the device have not been the only concerns, with the airflow interruption having an impact on engine cooling and the aerodynamic efficiency of the rear wing.

“This unadorned round tube is quite bad aerodynamically,” Allison explained.

“We’re all permitted to modify the halo in a way that will be individual for each team, because we’re permitted to fit an aerodynamic faring around it, which gives us a certain amount of scope to mitigate the affect that it has on the aerodynamics of the car.

“And what we’re aiming to do there is ensure that the wake of this halo does not effect the smooth running and powerful performance of the engine, so we make sure the wake of the halo does not get ingested by the engine, and we also make sure that its designed such that it doesn’t damage the behavior of the rear wing.”

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#109

Post by MonteCristo »

Meanwhile, in not-crazy-land:

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#110

Post by Antonov »

what a beautiful looking car (especially the shapes)
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#111

Post by John »

And they've also solved the problem with dizziness from the shield as well. F1, take note.
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#112

Post by DoubleFart »

The typical thing being that F1 wasn't reacting to Bianchi's death (which wasn't preventable due to the physical forces), but to Wilson's death, and neither Indy or F1's solution would have prevented that death.
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#113

Post by LOUD HOWARD »

John wrote: 6 years ago And they've also solved the problem with dizziness from the shield as well. F1, take note.
Assuming there was a problem, Seb doing one lap doesn't exactly seem very scientific :crazy:
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#114

Post by MonteCristo »

The footage you've all been waiting for:



Looks decent to me.
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#115

Post by theracer120 »

I'm not surprised it's OK, it is really a windscreen.

Minor observation, it isn't totally a new thing.

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#116

Post by Everso Biggyballies »

Nor is the halo.... similar tried in the 1974 Indy 500..

Image
Mel (Kenyon) and Don decided to add a roll cage on the Eagle, (above) but because the cage tumbled the air over the car and made it unstable it was removed and replaced with the conventional roll hoop (below).
Image

Perhaps 'tumbled air' will become a halo related buzzword this year! :wink:

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#117

Post by theracer120 »

Those are bad links.
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#118

Post by Everso Biggyballies »

theracer120 wrote: 6 years ago Those are bad links.
Bad links? I dont understand. The images show for me and also if I open the pic links in a new tab also show.
Try the page I found them on: http://melkenyon.tripod.com/indycarstats70s.html
Then scroll down to 1974. The images will be obvious.

Unless it is a browser thing (Im using Chrome)

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#119

Post by theracer120 »

I'm using Chrome too and it works on the website but on here it just says "image hosted by Tripod." It probably doesn't help that the website looks like it's from 1999. Not that it really matters.
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#120

Post by kals »

My only question about both devices, is what happens if / when either sustains damage mid race? Will the driver be required to retire for having an unsafe car? If not, then surely having the device is pointless.
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#121

Post by Ian-S »

Well I guess if the Halo got damaged you probably hit something fairly solid so your race is likely over anyway, but the shield yeah, they have some weird rules in Indycar like the rear pods only needing to be attached at the start (I think they changed that later).

It does seem Indycar are taking a fairly sensible approach to all this, so they'll probably think of that too.
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