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Old 3 Mar 2018, 22:49 (Ref:3805576)   #16
V8 Fireworks
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V8 Fireworks should be qualifying in the top 10 on the grid
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Originally Posted by GTRMagic View Post
Meantime that whinging fella’s ‘disadvantaged’ car went quickest in qualifying just now...
The best driver from the best team. Hardly a surprise.

How much faster would Scott "The Wizard" McLaughlin have gone without this unfair disadvantage!
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Old 3 Mar 2018, 22:49 (Ref:3805577)   #17
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mayhem should be qualifying in the top 5 on the gridmayhem should be qualifying in the top 5 on the grid
A "whinging bloke's" fully sorted car beat a car at its first competitive debut by 1/10th of a second despite having his backside handed to him yesterday by two separate teams in that same new car?

Rolands 'fluid' translation of the rules will be the nail in any manufacturer either renewing or entering the series. IMO.
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Old 3 Mar 2018, 22:51 (Ref:3805578)   #18
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Ospi should be qualifying in the top 10 on the gridOspi should be qualifying in the top 10 on the grid
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DJRTP really taking the **** now. Moaning about centre of gravity inequality to the ZB, after 1 race at a track where a Commodore has won 18 of the 19 starts.

Ryan Story cannot be serious.

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He's not wrong though, there is a large disparity and it plays quite a big role in vehicle behaviour. That being said, it's up to him and his team to find a solution as T8 are well within the rules.

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Old 3 Mar 2018, 22:52 (Ref:3805579)   #19
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Mixer should be qualifying in the top 3 on the gridMixer should be qualifying in the top 3 on the gridMixer should be qualifying in the top 3 on the gridMixer should be qualifying in the top 3 on the grid
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He's not wrong though, there is a large disparity and it plays quite a big role in vehicle behaviour. That being said, it's up to him and his team to find a solution as T8 are well within the rules.

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Who has measured this disparity?

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Old 3 Mar 2018, 22:54 (Ref:3805580)   #20
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V8 Fireworks should be qualifying in the top 10 on the grid
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DJRTP really taking the **** now. Moaning about centre of gravity inequality to the ZB, after 1 race at a track where a Commodore has won 18 of the 19 starts.

Ryan Story cannot be serious.

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He is serious and he is bang on. Centre of gravity is a fundamental aspect of a racing car.

Formula One drivers don't sit on the floor just because they enjoy their backside being "massaged" when bottoming out!

For the Falcon and Altima to be at a fundamental disadvantage is untenable given Car of the Future is supposed to provide parity regardless of which bodyshape you race.
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Old 3 Mar 2018, 22:56 (Ref:3805581)   #21
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V8 Fireworks should be qualifying in the top 10 on the grid
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Who has measured this disparity?

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It can be deduced that the Commodore has lighter bodywork support panels, as you can clearly see the composite rear firewall and composite rear bumper support panel on the number 21. The Falcon and Altima runners know they constructed their cars with steel in these areas, and have reasonably added 1+1 to make 2.




They also know the commodore is using a composite roof and composite rear hatch, while they know their Falcon and Altima are using a steel roof and steel bootlid. You may recall that cars such as the BMW M3 have a carbon fibre roof option available at considerable expense to lower the COG. Again the Falcon and Altima runners are adding 1+1 to make 2.

Last edited by V8 Fireworks; 3 Mar 2018 at 23:01.
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Old 3 Mar 2018, 22:58 (Ref:3805582)   #22
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Who has measured this disparity?
Probably no one has measured the level of disparity, but even I, a simple man, can appreciate that lowering the COG would be a wonderful tool to have in building a race car. The SuperUtes would kill for it.
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Old 3 Mar 2018, 23:07 (Ref:3805584)   #23
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Umai Naa should be qualifying in the top 10 on the gridUmai Naa should be qualifying in the top 10 on the grid
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It happened in the Volvo days, they had to shift ballast around to correct a perceived advantage due to engine weight.
http://www.news.com.au/sport/motor-s...0ea09ee1682d50
This.

Just as they lobbied for the flat plane cranks, their own tailshaft design, bootlid extension and composite headlights.
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Old 3 Mar 2018, 23:08 (Ref:3805586)   #24
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Tourer should be qualifying in the top 3 on the gridTourer should be qualifying in the top 3 on the gridTourer should be qualifying in the top 3 on the gridTourer should be qualifying in the top 3 on the grid
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Who has measured this disparity?

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The short version is that no-one has measured the CoG as far as we know. Other teams and various commentators (including on this forum) are however making assumptions.

Interesting point from Mr Dutton that I saw somewhere pointed out that the ZB, being a hatchback, has quite a bit of hinge etc support structure high up under the roof that the other cars, being sedans have lower in the car.

You'd certainly expect that any new racecar built would have a lower CoG than its predecessor, that is part of evolution and development but until someone is able to measure what the difference actually is, the whole moanfest is all based on conjecture - generated at this stage from 1 race at a track at which 888 (and WAU for that matter) have previously delivered good results.

Big difference for me watching them all is just how effective the 888 damper program is - those things just glide over the bumps/kerbs compared to the other teams. Maybe the other teams need to spend more time on their damper programs rather than moaning about supposed CoG differences?
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Old 3 Mar 2018, 23:08 (Ref:3805587)   #25
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Umai Naa should be qualifying in the top 10 on the gridUmai Naa should be qualifying in the top 10 on the grid
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A "whinging bloke's" fully sorted car beat a car at its first competitive debut by 1/10th of a second despite having his backside handed to him yesterday by two separate teams in that same new car?

Rolands 'fluid' translation of the rules will be the nail in any manufacturer either renewing or entering the series. IMO.
If you were a manufacturer keen on entering the series, who would you offer a contract to?
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Old 3 Mar 2018, 23:10 (Ref:3805588)   #26
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Ospi should be qualifying in the top 10 on the gridOspi should be qualifying in the top 10 on the grid
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Who has measured this disparity?

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All I known is the amount of extra ballast the ZB teams are running VS the old car, assuming the old car was very similar to the Ford, it's not an insignificant amount, certainly more than enough in a sport where hundredths of seconds count.

As mentioned above though we still don't know the cog disparities but a hinge higher won't offset the blocks of lead down low.

Fun and games.
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Old 3 Mar 2018, 23:10 (Ref:3805589)   #27
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V8 Fireworks should be qualifying in the top 10 on the grid
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Big difference for me watching them all is just how effective the 888 damper program is - those things just glide over the bumps/kerbs compared to the other teams. Maybe the other teams need to spend more time on their damper programs rather than moaning about supposed CoG differences?
This is a good point!

Routine 888 victories are very tiresome, and the sooner there is more variety the better! Why must the other teams be so incompetent.
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Old 3 Mar 2018, 23:10 (Ref:3805590)   #28
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Mixer should be qualifying in the top 3 on the gridMixer should be qualifying in the top 3 on the gridMixer should be qualifying in the top 3 on the gridMixer should be qualifying in the top 3 on the grid
Complaining after one race is pure sour grapes. People made the same complaint about the Volvo.

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Old 3 Mar 2018, 23:21 (Ref:3805592)   #29
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Henry should be qualifying in the top 10 on the grid
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The center of mass is the mean position of the mass in an object. Then there's the center of gravity, which is the point where gravity appears to act. For many objects, these two points are in exactly the same place. But they're only the same when the gravitational field is uniform across an object.
We're concerned with the CENTRE OF MASS, people. Let's get it right. And clue Skaife and Crompton in too, if you would, please.

The centre of gravity will matter absolutely nil in terms of vehicle dynamics... HOWEVER, the positioning of centre of mass, and the mass moment of inertia, will make significant differences when lateral loads are applied, and particularly when changing direction etc.
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Old 3 Mar 2018, 23:42 (Ref:3805595)   #30
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Ospi should be qualifying in the top 10 on the gridOspi should be qualifying in the top 10 on the grid
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We're concerned with the CENTRE OF MASS, people. Let's get it right. And clue Skaife and Crompton in too, if you would, please.

The centre of gravity will matter absolutely nil in terms of vehicle dynamics... HOWEVER, the positioning of centre of mass, and the mass moment of inertia, will make significant differences when lateral loads are applied, and particularly when changing direction etc.
I've never heard of this, all the text books etc refer to the COG. Where can I read about COM being the term which must be used for vehicle dynamics? On earth where we race cars they are the same value anyway, no?
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