FIA launches new turbo car formula

[OldF]

Do you guys have any opinions about this (page 39)?

Imo it would be good for some countries national championships and drivers / teams that can’t afford a S2000.

[Sulland]

Fully agree, but keeping cost down must be priority 1, to get them out in numbers for national/regional series.

What should be a planning figure for a max cost for the project for:

Complete car with:
- Donorcar with all safety buildt in
- Gravel undertray
- Asphalt undertray

Is the 1600 DI Turboengine too expensive for a car like this? Would it be better with an even smaller engine in the range of 1200-1400 ccm and turbo, or twinturbo, compressor/turbo, to keep cost down. What should be the HP goal; 200 hp ?

Maybe the MaxiRally class have the right way of thinking for a class like this, not necessary the same components, but same way of using equal components to keep cost down ?

[Viking]

Is the 1600 DI Turboengine too expensive for a car like this? Would it be better with an even smaller engine in the range of 1200-1400 ccm and turbo, or twinturbo, compressor/turbo, to keep cost down. What should be the HP goal; 200 hp ?

I guess the plan is to use R3T engines, from Citroens DS3 R3T press release last year "Fitted with a regulation-compliant 29mm turbo flange, it develops 210bhp of power and generates a torque of 350Nm"

[Mirek]

Fully agree, but keeping cost down must be priority 1, to get them out in numbers for national/regional series.

What should be a planning figure for a max cost for the project for:

Complete car with:
- Donorcar with all safety buildt in
- Gravel undertray
- Asphalt undertray

Is the 1600 DI Turboengine too expensive for a car like this? Would it be better with an even smaller engine in the range of 1200-1400 ccm and turbo, or twinturbo, compressor/turbo, to keep cost down. What should be the HP goal; 200 hp ?

Maybe the MaxiRally class have the right way of thinking for a class like this, not necessary the same components, but same way of using equal components to keep cost down ?

You can't make engine cheaper by making it smaller if You want same output. It's exactly opposite way.

I guess the plan is to use R3T engines, from Citroens DS3 R3T press release last year "Fitted with a regulation-compliant 29mm turbo flange, it develops 210bhp of power and generates a torque of 350Nm"

I was told these figures are with stock fuel. With 102 octane it should be around 235 Hp.

[OldF]

Keeping the cost down should definitely be the highest priority. Another high priority issue should also be the maintenance costs of the cars because I believe that the maintenance costs of a S2000 are high mainly because of the high tuned NA engine. With a modest tuned 1.6T tuned engine the maintenance cost could be lower.

As an example the DS3 R3T engine.

“For example, the intake and exhaust manifolds, turbocharger, injectors and injection pumps are identical to those used on production models. The air filter, camshaft, pistons, connecting rods and engine flywheel are, however, specific racing parts.” DS3 R3T presentation (page 10).

The engine could be a single supplier engine chosen by an invitation to tender by FIA. This would ensure that everyone have equal power (if not someone starts messing with the mapping).

What I would like to see is little bigger cars. There are lot of brands / models in the range of approx. 4,20 m – 4,40 like VW Golf, Toyota Auris, Renault Megane, Seat Leon, Audi A3, BMW 100-series, Opel Astra, Alfa Romeo Giulietta etc.

Imo these cars should be on par with at least the N4, so 200 hp is not enough. The weight of these cars would determine the needed power,

With relative restrictor size calculations a DS3 R3T with a 33 mm restrictor, the engine could maybe produce about 300 hp compared to 235 hp with a 29 mm restrictor with racing fuel. On the other hand it should produce the same power as an N4 engine with the same restrictor size, except that the peak power would be on higher revs.

[Mirek]

Yes, I think that it is possible to have relatively cheap engine with 300 Hp if we don't restrict it so much that we have to spend ten times more to make same output.