Sports Sedan racing weights

[Ricey88]

With the original post and the weights, how is it going to work? will that mean the classes are now rolled into one "even" category? I believe the weights should stay and give all the competitors a clear definition on capacity and weight.

M

I'm not sure what you mean by classes. There isn't ?

[MrBoost]

oh yeh sorry, totally agree

[Phast Phil]

My view and how I would argue swept volume is the volume determined by the bore and stroke of the engine. This would not include a turbo or rotary multiplier.

Therefore in legal terms based on the english language the SWEPT valume of a 2000CC engine with a turbo attached would be 2000cc therefore the 75 kilogram extra would not apply. For weight the weight to be applied would be be for 2000 * 1.7 = 3400cc therefore 900 kilograms.

No offence taken Toymax. The dinosaurs ruled the earth until they were beaten by the ice age I suspect so I assume something will eventually destroy the pushrod V8 one day. We either accept that or move to a situation like nascar or V8 supercar where pushrod V8 is the only option as it is easier to control a set option, in these cases a vurtual control engine.

We have always embraced variety and I do not see this changing in SS. However the fact is a 4 valve engine can rev higher for a longer period so if someone made a 4 valve 6000cc V8 then it would make more HP at that higher RPM. As we have a 7800rpm limit in the Kerrick series then this overcomes it somewhat however there is no such rev limit in state comeptition (should be). Alternatively having lighter smaller valves mean lighter valve spring may be used if the engine is rev limited so lighter springs mean less resistance therefore more horsepower.

Yes it does protect the V8 pushrod dinosaur to some degree and it needs to be recognised and respected that there is millions of dollars invested by our competitors in these "dinosaurs" and these people are the backbone of our competitions, state and national. We also want to see close racing competition (don't we?) as that is what sponsors, fans and viewers want to see so expect some adjustments to level the playing field.

Remember the mid engined Corvair that the late Frank Gardiner built raced and won with? There was nothing in the rules to prevent that design but it killed the competition. In the end CAMS, with pressure from the other competitors no doubt, banned the design which effectively banned it. Better to have prevention then cure I say.

[Toyzda]

Toyzda

'theoretically' 2L turbo is 2000cc 'swept' as per profi's post. Legally wouldnt you get away with it because of the wording? as in get away with 900kg's?


as for the quad rotors theres the same problem of 2500 production example built.....

I miss interpreted the discussion on "swept". Thanks for the clarification. If you were going to get really picky at the exact meaning of swept, would you not also consider "swept" to be the total combusting volume of the engine at true sea level atmosphere? So different boost would make a different "swept" volume....

[MrBoost]

smart ass toyzda!! ;)

love to see them police that one lol

[Toyzda]

[quote]
With the original post and the weights, how is it going to work? will that mean the classes are now rolled into one "even" category? I believe the weights should stay and give all the competitors a clear definition on capacity and weight.

M

I'm not sure what you mean by classes. There isn't ?

Is there not u3500NA (S2) anymore? under 2L SS in Vic? Is there no individual class winners in the state series' anymore? Some people strive to be the 2001-2500 champion in their state, would that still exist with the linear scale?

I was asking if the idea was to "even" out all capacities so SS can be one class? Or do you just want a 3100cc engine to have a little weight advantage over a 3500cc but still run in the same u3500NA class?

Speaking of u3500, why aren't turbo cars allowed in using the 36mm restrictor rule that works so well in IPRA? Then, maybe, there will be competition for the 20B's...

[Toyzda]

smart ass toyzda!! ;)

love to see them police that one lol

CAMS approved sealed wastegates on the inlet manifold - copy how CART used do it on the indycars. Nominate your boost and it is effectively capped at that boost... but i don't believe this is a real option.... yet.

[MrBoost]

[quote]smart ass toyzda!! ;)

love to see them police that one lol

CAMS approved sealed wastegates on the inlet manifold - copy how CART used do it on the indycars. Nominate your boost and it is effectively capped at that boost... but i don't believe this is a real option.... yet.


they would need to be control engines then too. Who would be the one to say 'you can only run THIS boost'

good for a series like indycar, no good here with so many combinqations

[Toyzda]

2000cc turbo at 1 bar would be 4000cc swept. 2 bar is 6000cc swept. 3500cc at 0.7bar would be 6000cc swept. Theoretically you could then run the excellent Ford Barra (4L turbo) at 0.5bar and still make the 6000cc limit. It could open up more enginines that were previously unavailable and do it fairly. Just like the engine capacity is in your log book, so is the boost pressure regulator setting and the sealing tag number.


No flat turbo multiplyer rule needed at all. Infact this rule added with Ricey's linear weight rule would be the fairest system i could see.

[Ricey88]

2000cc turbo at 1 bar would be 4000cc swept. 2 bar is 6000cc swept. 3500cc at 0.7bar would be 6000cc swept. Theoretically you could then run the excellent Ford Barra (4L turbo) at 0.5bar and still make the 6000cc limit. It could open up more enginines that were previously unavailable and do it fairly. Just like the engine capacity is in your log book, so is the boost pressure regulator setting and the sealing tag number.


No flat turbo multiplyer rule needed at all. Infact this rule added with Ricey's linear weight rule would be the fairest system i could see.

Toyzda
Swept is the physical displacement of a piston through 1 stroke. the
result is a physical Dimension (CC's in this thread).

I'm sure that boost bar and IPRA stuff could be another thread if you want to start it.
i'm hoping we cqan keep this on topic
thanks
Ricey