My Diaries

A Lurid Tale of Obsession, Depravity, Wits and Attempted Wit

Tue Mar 30, 1999

My Two Cents about Reported Weight Figures for US and UK versions

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   Re: Gran Turismo
   Author:   Adrian Pepper <arpepper@math.uwaterloo.ca>
   Date:   1999/03/30
   Forum:   alt.games.video.sony-playstation
   
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"w Heremans" <heremanss@village.uunet.be> wrote,
 in article <7djnq8$r4$1@xenon.inbe.net>:
>
>Dave Connoy wrote in message ...
>>On Fri, 26 Mar 1999, Mike Fairweather wrote:
><SNIP>
>>the "heavy" versions of both the Viper GTS-R and [R]Concept Car are in the
>>UK version, making the Cerbera LM Edition the best car overall, with
>>probably a race-modded '89 GT-R coming in second.
>
>You're right there, but i feel the 89 gt)r is faster, if you set it up so it
>corners well(kind of ).
>
>>
>>Owning only the US version, I don't know any of this for sure.  Heck, why
>>don't owners of each version (David Ralphs, you out there?) post the stats
>>of the [R]Concept Car, Viper GTS-R, Cerbera LM, and race-modded '89 GT-R,
>>and we'll compare?  I'll start...
>>
>>US VERSION
>>----------
>>Name Power Weight P/W
>>[RM]R32 Skyline '89 GT-R 913 2268 .403
>>(Only 5 speeds and a damn narrow powerband though)
>>[R]Concept Car 560 1329 .421
>>[R]Viper GTS-R 680 2753 .247
>>[R]Cerbera LM Edition 581 1984 .293
>
>R32 89 gt-r   913 1065kg
>Conceptcar 560 890kg
>Viper GTS_R  680  1230kg
>Cerbera     581     960kg
>(europese version)
>i don't have a calculator here, but it looks the same. I' d like to try the
>Japanese version though.

Um,

2268lb  1065kg      2.13 lb/kg
1329lb   890kg      1.49 lb/kg
2753lb  1230kg      2.23 lb/kg
1984lb   960kg      2.06 lb/kg

in the case of the Skyline, one of you might have forgotten a flywheel
or driveshaft, or something.

But with the others, there are no weight modifications allowed.

Using 2.204 lb/kg, European numbers become

  1065kg      2347lb(2268)
   890kg      1962lb(1329)
  1230kg      2711lb(2753)
   960kg      2115lb(1984)

So, the numbers do not match exactly, but the 560bhp Concept Car is
much heavier.  And the Viper GTS-R is a teensy bit lighter.  And
the Cerbera LM significantly, but not drastically, heavier.  But
then again, gravity might be different in the European model.
(That might affect comparison of US Cerbera vs European Cerbera,
but would not affect relative values of different European models).

Okay, so let's say the Cerbera LM weighs "one unit":

Then:
                   U.S.       E.U.
'89 GTS-R         1.143      1.109
[R]Concept Car    0.700      0.927
[R]Viper GTS-R    1.388      1.281
[R]Cerbera LM     1.000      1.000

So there is no consistency of the relative values either.
Inspection suggests picking no other vehicle for "1.000" will produce
anything like consistent results, either.

It looks like the European values are rounded to the nearest 5 or 10
kg, (11 or 22lb!), but that alone doesn't explain the inconsistency
either, even assuming the Concept Car is different.


Adrian Pepper


>Elvo
>
>>
>>This will doubtless blow up in our faces because the different versions
>>use different units of measurement, but at least we can compare
>>power-to-weight ratios within each version.
>>
>>Dave Connoy
>>connoy@students.uiuc.edu

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