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Sin Cars Sin R1 in the driving report: Exotic with V8 and 450 PS

Rossen Gargolov
Sin Cars Sin R1 in the driving report
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W as the Sofia type B and the Sin R1 common? It could be the millionaire question in the TV quiz 'Who wants to be a millionaire?' We definitely would not have cleared the million from Günther Jauch. Only proven Ostalgic people will know the first Bulgarian sports car called Sofia Type B. From 1985 a small series with a fiberglass body, interior and engine from Lada was created. By local standards, the Sofia Type B had little in common with a sports car. 29 years later, with the Sin R1, a more serious athlete with Bulgarian roots is now entering the stage.

Sin R1 with gullwing doors similar to Ferrari LaFerrari

Dob-r den, good afternoon Sin R1 - We don't meet the sports car novice in Sofia, Plovdiv or Varna, Bulgaria, but in Ludwigsmoos-Königsmoos, a community of 1,000 people 24 kilometers from the gates of Ingolstadt. 'This is where our German branch will be located,' says Rosen Daskalov, inventor of the Sin R1 and founder of the Bulgarian small-series brand Sin Cars.

Where the 'German branch' is to be built, there is still a village idyll today. Ludwigstrasse 80, a 60s building society house with patina. The steel gates of the adjacent garage swing open with a quiet squeak. In the sleepy workshop behind it, one suspects a dull, thundering Lanz Bulldog, instead a touch of Miami Beach mixes up the rural surroundings.

Muscular lines, gullwing doors that open wide into the roof area, similar to the Ferrari LaFerrari, a striking roof intake scoop à la Gumpert Apollo, a rugged rear section with diffuser, plus a contrasting mix of bright orange matt paint and carbon fiber - wow, Not only the body of the Sin R1, but also its size makes many established sports cars look slim. With a length of 4.80 meters and a width of two meters (including exterior mirrors 2,251 mm), the Bulgarian newcomer towers over the Audi R8 V10 plus (length: 4,440 mm, width: 1,929 mm), the McLaren 650S (4,512 mm, 1908 mm) and the Ferrari 458 Italia (4,527 mm, 1937 mm).

Sin R1 with V8 from the Corvette

And the processing quality? It was clear that something like this had to come close to the Audi premium city of Ingolstadt. The second ever built Sin-R1 prototype with an old one defends itself against such grumbling questions in terms of gaps & coAcquaintances. Rough and untamed, its V8 start-up babble enlivens with the gentleness of a tremor.

The eight-cylinder combustion melody immediately reveals who is driving the last grains of morning sand out of our eyes: 6.2-liter LS3 with a central camshaft, pushrod valve train and two valves per cylinder - unbreakable technology, which achieved cult status in the Corvette. In the Sin R1, the GM unit, in conjunction with a self-made exhaust system, generates 450 hp. “The LS3 costs around 6,500 euros ready for use. A V8 biturbo from the M5 costs 25,000 euros, ”explains Sin maker Daskalov.

Thank goodness, not another biturbo! The rustic naturally aspirated engine not only warms the mind acoustically like a Bulgarian rakia schnapps, but also depends as much on the gas as Borussia Dortmund despite the series of defeats on Jürgen Klopp. Meanwhile, the clacking noise of the manual six-speed gearbox from supplier Graziano exudes Italian sports car charm.

Sin R1 prototype without driving aids

Unlike Ferrari and Lamborghini, Sin R1 can still choose - either a semi-automatic gearbox with rocker switch on the steering wheel or a manual gearbox with open gate gear. Even if there is still a bit of a problem at the moment, the latter certainly fits better with the wonderfully unfiltered character of the Sin R1.

Keyword unfiltered: In addition to the tightly packed aluminum pedals that require narrow shoes, the R1 prototype is currently on the move to the start completely without driving aids. An optional ABS system is currently still being developed together with Bosch.

While the single-arm windscreen wiper is battling the Bavarian rain, the driving report calls for sensitive braking. In addition to the ABS-free AP Racing brake system with six-piston calipers and 363 mm discs all around, the prototype has Michelin Pilot Sport Cup 2 tires. Cold semis at temperatures around freezing point plus a brake without ABS can unintentionally increase the pulse rate. So first of all, roll in comfortably.

271 kilometers are waiting for us - the driving report goes from the Upper Bavarian province, how can it be otherwise, to the sport auto living room in Hockenheim. Almost three hours to talk. Okay, being entertained in the cockpit of the Sin R1 on the highway is as relaxed as an in-depth conversation in a techno discotheque. The mechanical singing of the mid-engine has its origin close behind the passengers' backs. Only the monocoque partition is between the Ami-V8 and the OMP bucket seats. We like it - rather an honest riot gun than an insulated sports car whisper bag.

The Sin R1 should run at 300 km /h

Up to 300 km /h should be possible in the later small series version. During the morning rush hour on the motorway, the orange racer briefly scratches the 250 km /h mark and scores pointswith astonishingly good suspension comfort and smooth straight-line stability.

Tied tightly in the six-point harness, Rosen Daskalov starts his story in parallel. In his youth, the Bulgarian drove kart races. Later, after starting his professional life, the entrepreneur remained true to his passion for motorsport, first racing with an E39 M5, then with a modified Radical. In September 2012, he and a team of young engineers and designers began to realize his sports car vision.

A development story in fast motion. January 2013: Presentation of the first R1 prototype at the Autosport International motorsport show in Birmingham. July 2013: Presentation at the Goodwood Festival of Speed. September 2013: Road legal for the Sin R1 in Great Britain. January 2014: Presentation of the second prototype at Autosport International in Birmingham. June 2014: Participation again at the Festival of Speed ​​in Goodwood. At the same time, two racing versions with a seven-liter LS7 V8 were created, with which the company founder started quite successfully in the British GT racing series GT Cup Championship in 2013 and 2014.

Sin R1 weighs 1,296 kg with a full tank

'In Great Britain, road legal regulations are much easier to implement, and the market is very interesting for small-series sports cars,' explains Daskalov, who works with British specialist ProFormance Metals on R1 production. This is where the chassis construction, consisting of a complex tubular steel lattice frame, was created. All body parts as well as the passenger cell in monocoque construction consist of carbon elements, some of which are manufactured in England and some in Ruse, Bulgaria. In the future, the final assembly will be carried out at the new location in Hinckley (Leicestershire) in the UK.

More interesting than the creation of the two prototypes and the Sin racing car is the question of how heavy the R1 really is. Sin Cars promises a dry weight of 1,150 kilos. Arrival in Hockenheim, quickly fill the 100-liter tank, and off we go to the scales, where we determine the body mass index of all test vehicles. The front axle load is 528 kilos, while the total weight with a full tank is 1,296 kilos. That makes a weight distribution of 40.7 to 59.3 percent.

And what is possible with a power-to-weight ratio of 2.9 kg /hp on the small course in Hockenheim? While the servo-free steering inspires with razor-sharp feedback on the first test laps in the limit area, the suspension setup of the R1 prototype is still too soft overall. Noticeable body movements currently accompany the steering behavior. In slow corners, the Sin R1 pushes slightly into understeer in the driving report, while it reacts somewhat nervously to load changes in quick bends.

Bargains from 88,000 euros

No wonder, unlike 2015Starting small series, the prototype does not yet have stabilizers. We catch up on a meaningful lap time as soon as the adjustable chassis with Pushrod suspension including Nitron dampers has been fine-tuned. 'We have extensively tried out a very good chassis set-up in the racing version and will now adapt it to the road version,' explains the R1 maker.

And the price? According to his own statements, Daskalov has already invested two million euros in his project. The basic price of the athlete with Bulgarian, Bavarian and British roots is said to be 88,000 euros - surprisingly low for a vehicle with a full carbon body. You shouldn't be bothered by the air vents (from the Audi TT), the door openers (Mini) or the exterior mirrors (Opel Corsa). “It is the wrong way to enter the segment with utopian prices. We don't want to scare off interested parties, we want to inspire them, ”says Daskalov with a smile, who wants to sell up to 100 vehicles a year.

A different approach than with most small series cars, which often disappear from the scene as quickly as they came. The Sin R1 is to be hoped that it will be spared fate as a one-hit wonder.

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