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F1 up close...

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daemonoid
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Joined: 27 Jun 2008
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PostPosted: 17:32 - 31 Aug 2014    Post subject: F1 up close... Reply with quote
Today was mostly spent sitting in a car park and then driving like loons on public roads

I'll post my videos later, but as a preview:

My video:
https://youtu.be/WOxXDxFWcoU

The main attraction:
https://cdn.bikechatforums.com/files/image_781.jpg
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Last edited by daemonoid on 12:53 - 02 Sep 2014; edited 2 times in total
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arry
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PostPosted: 17:34 - 31 Aug 2014    Post subject: Reply with quote
Epic - is this the one that Jezza Clarkson drove a good few years back with Jean Alesi teaching him??

Wicked Thumbs Up
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daemonoid
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PostPosted: 18:01 - 31 Aug 2014    Post subject: Reply with quote
arry wrote:
Epic - is this the one that Jezza Clarkson drove a good few years back with Jean Alesi teaching him??

Wicked Thumbs Up


Ah... I should point out I was driving my caterham - it was at roadshow.lu
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Last edited by daemonoid on 20:22 - 31 Aug 2014; edited 1 time in total
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RhynoCZ
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PostPosted: 18:07 - 31 Aug 2014    Post subject: Reply with quote
Are those the actual brakes? Thinking
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McJamweasel
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PostPosted: 19:51 - 31 Aug 2014    Post subject: Reply with quote
RhynoCZ wrote:
Are those the actual brakes? Thinking


Yes. Why?
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sidewinder
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PostPosted: 20:00 - 31 Aug 2014    Post subject: Reply with quote
They look like high tec drum brakes Very Happy
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RhynoCZ
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PostPosted: 20:13 - 31 Aug 2014    Post subject: Reply with quote
^This.

I've expected to see good old disc brakes made from materials which we haven't heard about yet, but not that. Smile
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Richy CB1000
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PostPosted: 20:15 - 31 Aug 2014    Post subject: Reply with quote
Not as close as I got in 1978 to Andretti. Pushed the car back into the clubhouse at Lotus after the parade lap and exhibition in Norwich.

Old fella used to spray the black n golds hence the kids got to get close. Have Peterson's and other autographs..... a golden age....
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McJamweasel
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PostPosted: 20:16 - 31 Aug 2014    Post subject: Reply with quote
They are carbon discs (270mm iirc) with huge 6 piston calipers & carbon pads. What you can see are intricate cooling hubs to keep them from exploding.
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McJamweasel
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PostPosted: 20:18 - 31 Aug 2014    Post subject: Reply with quote
https://3.bp.blogspot.com/-vZoiU4f1s3Q/UzWU-3VH2wI/AAAAAAAALuk/pbN6AFQifLg/s1600/dcd1427ma16+(Custom).jpg

Hth. Smile
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daemonoid
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PostPosted: 20:21 - 31 Aug 2014    Post subject: Reply with quote
Richy CB1000 wrote:
Not as close as I got in 1978 to Andretti. Pushed the car back into the clubhouse at Lotus after the parade lap and exhibition in Norwich.

Old fella used to spray the black n golds hence the kids got to get close. Have Peterson's and other autographs..... a golden age....


Maybe not this time...

https://cdn.bikechatforums.com/files/image_117.jpg
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McJamweasel
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PostPosted: 20:28 - 31 Aug 2014    Post subject: Reply with quote
Or this time.

https://www.bikechatforums.com/download.php?id=93557
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Carvel
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PostPosted: 20:30 - 31 Aug 2014    Post subject: Reply with quote
Why does an E21 have Crashtor Maldonado's name on it?
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McJamweasel
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PostPosted: 20:33 - 31 Aug 2014    Post subject: Reply with quote
Carvel wrote:
Why does an E21 have Crashtor Maldonado's name on it?


Because showcar and Venezuelan $.
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Nexus Icon
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PostPosted: 22:38 - 31 Aug 2014    Post subject: Reply with quote
Ahh, one of my very own babies.

All of the showcars are repainted to the current livery unless they're 'museum' type pieces, such as the plethora of Benettons, Renaults and Lotuses around the world and at our factory.
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Nexus Icon
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PostPosted: 22:40 - 31 Aug 2014    Post subject: Reply with quote
Also, Clarkson drove a T120 Lotus; a track car that loosely resembles an F1 car but is made by the Lotus car company rather than the F1 team. Yours to own for a few hundred grand at one time.
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Dalemac
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PostPosted: 09:29 - 01 Sep 2014    Post subject: Reply with quote
daemonoid wrote:
arry wrote:
Epic - is this the one that Jezza Clarkson drove a good few years back with Jean Alesi teaching him??

Wicked Thumbs Up


Ah... I should point out I was driving my caterham - it was at roadshow.lu


Nope - that's the Lotus e20 the actual 2012 f1 car.

What was it doing on a trackday? Laughing
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daemonoid
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PostPosted: 09:34 - 01 Sep 2014    Post subject: Reply with quote
Dale_Mckeown wrote:
Nope - that's the Lotus e20 the actual 2012 f1 car.

What was it doing on a trackday? Laughing


I realise that's a lotus... I, however, was driving my Caterham at the same event.

https://www.lessentiel.lu/fr/sports/sports_luxembourgeois/story/Le-Roadshow-a-fait-vibrer-Esch-Belval-31784935

Only got a French link for now - pic 17 is me...

I fell asleep before I got round to cutting a vid together, I'll do it tonight.
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daemonoid
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PostPosted: 22:27 - 01 Sep 2014    Post subject: Reply with quote
Finally got around to the video...

https://www.youtube.com/watch?v=WOxXDxFWcoU

McJamweasel wrote:
Or this time.

https://www.bikechatforums.com/download.php?id=93557


orly?
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Wafer_Thin_Ham
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PostPosted: 22:59 - 01 Sep 2014    Post subject: Reply with quote
Nexus Icon wrote:
Also, Clarkson drove a T120 Lotus; a track car that loosely resembles an F1 car but is made by the Lotus car company rather than the F1 team. Yours to own for a few hundred grand at one time.


Indeed, featuring more aero, and a cosworth V8 rather than the Renault unit in the F1 car. /anorak
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Llama-Farmer
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PostPosted: 23:04 - 01 Sep 2014    Post subject: Reply with quote
sidewinder wrote:
They look like high tec drum brakes Very Happy


How about these then

https://cdn-www.airliners.net/aviation-photos/photos/2/7/3/1685372.jpg


I'm surprised F1 hasn't moved towards multiple rotor/stator packs.

I guess even with the ridiculous grip the tyres offer their current brakes can still lock, so anything more powerful is unnecessary and weight would be undesirable.

Maybe if ABS was allowed. But the negative acceleration (deceleration/retardation) already possible on F1 cars is mad
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Nobby the Bastard
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Joined: 16 Aug 2013
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PostPosted: 23:34 - 01 Sep 2014    Post subject: Reply with quote
Llama-Farmer wrote:


I'm surprised F1 hasn't moved towards multiple rotor/stator packs.

I guess even with the ridiculous grip the tyres offer their current brakes can still lock, so anything more powerful is unnecessary and weight would be undesirable.

Maybe if ABS was allowed. But the negative acceleration (deceleration/retardation) already possible on F1 cars is mad


They have, but there's a limit on how much stored power they are allowed to use.
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Llama-Farmer
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PostPosted: 23:39 - 01 Sep 2014    Post subject: Reply with quote
Nobby the Bastard wrote:
Llama-Farmer wrote:


I'm surprised F1 hasn't moved towards multiple rotor/stator packs.

I guess even with the ridiculous grip the tyres offer their current brakes can still lock, so anything more powerful is unnecessary and weight would be undesirable.

Maybe if ABS was allowed. But the negative acceleration (deceleration/retardation) already possible on F1 cars is mad


They have, but there's a limit on how much stored power they are allowed to use.



Huh? You've confused me now.

Stored power?


I'm on about brakes, not braking from KERS/MGUK generators.

In the A340 brake packs above you have multiple rotors (moving/rotating brake material, discs if you like) and multiple stators (non-moving brake material, pads essentially) and these are pressed together for the braking. It's like having multiple pads and discs per axle. Except the "pads" have a much greater friction area on the discs.
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Nexus Icon
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PostPosted: 00:00 - 02 Sep 2014    Post subject: Reply with quote
The larger surface area would only increase retardation through frictional braking if the braking force was increased as well. As it can't be increased, due to the regs covering servo assistance, line pressure etc. then it wouldn't matter how many pads and discs you had per wheel the overall friction would remain the same.

Therefore, weight is king and using that contraption would just add unsprung mass.
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Llama-Farmer
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PostPosted: 00:29 - 02 Sep 2014    Post subject: Reply with quote
Nexus Icon wrote:
The larger surface area would only increase retardation through frictional braking if the braking force was increased as well. As it can't be increased, due to the regs covering servo assistance, line pressure etc. then it wouldn't matter how many pads and discs you had per wheel the overall friction would remain the same.

Therefore, weight is king and using that contraption would just add unsprung mass.



But brakes work by converting kinetic energy into thermal energy via friction.

They need to dissipate the heat already generated in order to absorb the "next lot of heat" and if they can't do that they reach their limit and can't convert any more kinetic energy into thermal energy. Brake fade.


Larger surface area means a greater spread of heat and better dissipation, so whilst frictional force is not necessarily directly improved, in the long run it is less prone to deterioration.

With the MGU-K in Formula 1 now the rear brakes are tiny in comparison to what they used to have and in the event of loss of MGU-K braking, the rear brakes have been shown to fail as a result
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