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  Title: Richard Burns Rally Physics Explained
User's Article Rating: 7.19
Number of views: 26797
Users's Comments / Reviews: 42 		Article Author: SCi Entertainment Group PLC
Date posted: 28-06-2004
Pages: 4 / 4
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Total: 260 Screenshots

 
Richard Burns Rally Physics Explained



Brakes Modelling

Our brakes are individually modelled to take into account the temperature of the brake discs when the pads are applied to the brake discs. This information is relayed to the rendering & damage engine, so that the colour and performance of the brakes changes accordingly. The result is that the player must use his brakes wisely – too heavy on the brakes and they will overheat, losing efficiency and require replacement at the end of a stage or rally.

Internal Combustion Engine Model

The engine model in Richard Burns Rally simulates all of the working parts of a four stroke internal engine and each individual combustion cycle. This cycle is comprised of the following stages, each of which are accurately modelled;

  • The amount of fuel + air sucked into the engine
  • How the air reacts to being compressed
  • How quickly the fuel burns once ignited
  • The resistance of pushing exhaust fumes out of the cylinder
Such a complex level of modelling enables us to calculate a wide variety of factors in real time. If you damage one cylinder, you will instantly feel and hear (as the engine audio is also calculated in real-time using the software model) the effect on the engine’s performance. If you are racing in a stage that is higher than sea level, the air pressure will change and affect the engine’s performance.

In addition, our model incorporates the following crucial elements of a real life rally car engine.

Engine Cooling

We have accurately modelled the waterflow through the engine, the heat flow and the oil & temperature. Also linked to the damage model, if you damage your radiator, the car will lose water and overheat.

Turbo Injection

Turbo injection feeds the engine with charged air from the exhaust, increasing the energy created when the fuel is ignited. We have used information used by the turbo industry to programme the correct flow of this air. This has not been done in previous games.

The result is an accurate turbo model, closely linked to the damage engine. Should you damage any part of the turbo you will instantly feel a loss of performance from your vehicle.

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Author: Sunny Delight 28-06-2004
dude. This game looks a waste of time. I mean, what's the point in modelling all of this stuff when you can just go and buy a real Scooby? Best of luck with this WH ;)
Author: Cherub 28-06-2004
WOW, sound incredible. I'm waiting to see it in action on my PC ;-)
Author: Virx 28-06-2004
wow s**t... i knew there is more to this game than CMR.
Author: Dark John 28-06-2004
Turbo injection (huh? what is that?) feeds the engine with charged air from the exhaust... WHAT? With the AIR from the EXAUST?! LOL... I hope that whoever wrote it has nothing to do with the game development. Overall a good text. But a PC demo would be nicer.
Author: simracer 28-06-2004
I suppose it could be a waste of time if you wouldn't shed a tear wrapping a $25k WRX around a tree. For other 99.9% we'll enjoy playing the game and enjoy the occassional autocross or rallycross event knowing our WRX will safely return to the garage under its own power.
Author: UrQuattro 28-06-2004
amazing thought that went into this game. Superb.
Author: Tristan 28-06-2004
Yeah, it is an advantage to use the exhaust gases again, as they tend to burn better. It sounds odd, as most of the time we want cool dense air in the cylinders, but at high revs and boost pressures like in WRC, the advantage becomes real...
Author: AK-47 28-06-2004
OH MY SATAN!!! This game will be so real, that I won't need to drive my car anymore! Just joking, but that game will be the greatest sim over all. I can't wait anymore.....I'm going to my car to start making "vroom" "vroom" noises :) That Material Maps are stolen from my mind........anyways it's the best idea to model the terrain's materials
Author: Tarmac Terrorist 28-06-2004
Fantastic! So glad to see a manufacture making a simulation that (sounds like) thats going to act like a simulation. I think that in years to come this kind of tecnology will become very useful, as maby, just maby there are a few people out there who would love to push a MK1 Escort Cossie Mexico to its limits, but cant do so even if they own one, because pushing a car to its limits inevitably comes with a high chance of crashing it. With technology like this you won't have to worry about not being able to get hold of the parts for a classic car. For me, any rally car accurately simulated is great, cauz i cant afford to crash anything at the mo. But the whole point of this sim (it seems) is to have an accurate damage model to promote better driving. Great. other sims/ganmes that dont incorperate this are like FSP's that dont kill you when u get shot in the head with an ossie...Whats the point in that! Hope this game turns out to be as real as it sounds!
Author: Howie 28-06-2004
this sounds great. Someone trying to make as serious an attempt at making a realistic a sim as possible. As for the critics, stuff it, you ungreatful fools who could never be made happy to you yourselves are made God!
Author: mike beauchamp 28-06-2004
You know, not a lot of game developers (publishers or whatever) would go through the time to actually EXPLAIN the physics of their games. This definately shows a lot of class...
Author: gram 29-06-2004
I have no words for this, this is amazing :O .
Author: massivechicken 29-06-2004
*FAINT*
Author: Simon 29-06-2004
I need a new pair of boxer and pants.
Author: 2re 29-06-2004
Finaly a developer brave enough to go all the way. I can't wait to lay my hands on this SIM. Thank you Warthog
Author: BigMan 29-06-2004
Hmmm. I get nervous in every game where you can change things like limited slip diffs. I want to be a driver not a mechanic. Can someone write a game with a virtual mechanic to explain this s**t to me :)
Author: Munir 29-06-2004
I love games that try to simulate as many components as they can. Games like this and GTR should go far. The level of detail sounds incredible, but I still think the track surfaces on the screenshots look a bit flat, compared to real life or even the photos they gave us on this site to compare. As Id rather spend £30-40 on a sim like this that crash a £30-40k Scooby, Im grateful for the amount of time and effort thats going into this title, and cant wait. Thanks WH!
Author: SaintViper 29-06-2004
Exaust gasses are used to power the turbo which compresses clean cool air from outside. Exaust gasses are never sent back into the engine because any oxygen in them should have been depleted the first time it went through the engine.
Author: AZone 29-06-2004
I like it!
Author: mlracing 30-06-2004
I think he is talking about CMR on "single body system". but i think RallyMasters already has "multi body system". so far from the preview videos, I don't see the suspension of RBR better than RM.
Author: VxDError 30-06-2004
I thought camber was not the angle of the car but the tyre in relation to the surface.... Not as wild as the exhaust gases into the engine by the turbo, but WH should seriously spank this guy writing the explaination. Other than the article, I will most likely love the game :)
Author: vcorp 30-06-2004
I'm waiting to see it!!! i want it!
Author: tobe 01-07-2004
RBR sounds amazin, and the screens look great. I think with the amount of attention to detail that has been put into this rally game, it'll kick CM5.
Author: Dan Leach 01-07-2004
Anyone seen a cockpit shot yet? And hows the online code?
Author: Steve 02-07-2004
Cant' wait...although those are valid questions Dan, cockpit view? Also : settings, handling and controller settings, and last but not least: What kind of computer will be needed to run this with a decent framerate?
Author: Woz 04-07-2004
I agree about cockpit view. They need to show what it will look like. Unless its an LFS style cockpit view where you look while you turn I will give this one a miss. The half baked Toca RD2 cockpit view just sucks big time. Sounds like it has potential though
Author: allen 04-07-2004
Wait and see... It's only words... Just want to play to see it. No demo for a summer issue, it's suspect.
Author: Tony Tutton 05-07-2004
Awesome
Author: Supermaitro 05-07-2004
Damn, don't you people know how a Turbocharger works? Gases that come out of the exhaust manifold pass through a turbine which in turn makes another turbine spin, this other turbine sucks air into the intake manifold and injects pressurized air, which has more air molecules resulting in a possibilty to add a richer fuel mix and this gives us the power we see in turbo-charged cars.
Author: TxRC 05-07-2004
Looks really promising, GTR but for rallying purposes only ;-) Almost all rally titles I've tested so far were truly crap compared to GPL, GTR and N2k3 IMO Willing to try this sim
Author: Turbo Dude 06-07-2004
How Turbos Work ( http://auto.howstuffworks.com/turbo.htm ) The review sounds interesting enough to at least try the game. PC requirments will be 486Mhz, 16Mb Ram, and 4Meg Video Card - I DONT THINK SO :P
Author: Henry 07-07-2004
Played it with the Driving Force Pro wheel on PS2 for a couple of days now. I like the detail in the model, could have used about another 6 weeks' development making it more driveable.
Author: Eryo 11-07-2004
Very good article, i get lot information. thx
Author: keilok rally team 28-07-2004
I'm waiting for demo ...
Author: Sandy 14-09-2004
I purchased it Monday The read up is OK I do not like the camera views of the car or bonnet or interior. Going back to older games. It looks a game which if you get stuck in driveing school you can not go any further. Colin Mcrae is a much better game in my opinion.
Author: murkz 16-09-2004
Excellent read. Thanks
Author: alan 22-12-2004
This was so informative, im away to buy the game screw wrc4 n colin mcrae.
Author: v 17-03-2005
h
Author: BWX 14-02-2006
QUOTE-Author: SaintViper 29-06-2004 Exhaust gasses are used to power the turbo which compresses clean cool air from outside. Exhaust gasses are never sent back into the engine because any oxygen in them should have been depleted the first time it went through the engine. /QUOTE except an EGR (exhaust gas recirculation) valve.. Never say never! http://www.misterfixit.com/egrvalve.htm
Author: Lyubomir Tzekoff 20-04-2006
Great Article! Also verry nice present on information... keep goin with good articles about RBR. peace...
Author: Erkki 17-10-2007
This article gives us an idea how much great work has put into the game. Even today october, 07 in my opinion this is still the most accurate wrc simulation of all time.
Author: mrhorsepower 27-02-2008
nice !

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