The Italian’s figure of 756bhp per tonne is comfortably ahead of the other two and that’s all thanks to its lower mass. The power-to-weight ratio (specific power) formula for an engine (power plant) is the power generated by the engine divided by the mass. Last Updated: 29 November 2018. Koenigsegg proudly named its One:1 the world’s first megacar. It would have a power-to-weight ratio of 1:1 (or one-to-one) as 1,000 divided by 1,000 equals 1. "Long block" or complete engine mass values are acceptable. Shelby sold the second car on to a man called Tony Maxey, who drove it off a cliff when the throttle jammed open; he died a few days later. 10. E-mail: This email address is being protected from spambots. Fill up with this and the One:1 has a power to weight ratio of 986bhp/tonne. The outcome of this is a power to weight ratio of 1196bhp per tonne. Then again, who wouldn’t want the full power Ultima when it can deal with 0-60mph in 2.3 seconds, reel in 150mph from standing start in 8.9 seconds and top out at 240mph? A typical turbocharged V-8 diesel engine might have an engine power of 250 horsepower (190 kW) and a weight of 450 kilograms (1,000 lb), giving it a power to weight ratio of 0.42 kW/kg (0.25 hp/lb). 6: Bounty ends at 2018/2019 New Year's, standard time. document.getElementById('cloak83dcbd68d8073e93cdc2da01ff6d9739').innerHTML = ''; window.onload=function(){ Whereas the 1300cc Corolla sits at the bottom of the table with least number of horses & heaviest of body weight, resulting in the worst power-to-weight ratio. Driven flat out, it would consume 100-litres of fuel in less than eight minutes and cover approximately 35 miles in the process. This model will set you back from £95,995 ($125,000), though there are less potent alternatives in the range. There are many remarkable features of the Porsche 918 Spyder, not least its 85.6mpg average economy figure and 79g/km carbon dioxide emissions. After winning the World Time Attack 2018 championship with our Elmer Racing "Thor" engine, in the superb RP968, we set our next mark at beating the highest power-to-mass (power-to-weight) ratio for any circuit racing engine. 21. The 620R is slightly misleading in that it might make you think this car promises 620bhp/tonne. Such is its pace, Koenigsegg doesn’t bother with a 0-60mph time and instead quotes 20 seconds to go from rest to 250mph. Hennessey is well noted for its cars that come with massive power from their highly tuned and turbocharged V8 engines. 4.14 lbs/hp. GetClock(); With only the bare essentials needed to make it road legal, it tips the scales at 572kg yet has a supercharged 2.0-litre Ford Duratec engine pumping out 310bhp. This email address is being protected from spambots. While there’s no denying that the Aprilia RSV4 is easily one of… 3: Engine must have credible power charts/calculations/estimates available. (Credibility and comparison depending on engine accessories etc. Power to weight ratio is used to measure the actual performance of any engine or power source as a whole. Engine details and links will help us verify and rank the claims! var addy83dcbd68d8073e93cdc2da01ff6d9739 = 'info' + '@'; This website uses cookies to ensure you get the best experience on our website. Learn about the Ariel Atom 500 V8. Consequently, the S12 offers a power to weight ratio of 1267bhp per tonne. Curb weight [kg] Acceleration [Seconds] Start of … All this in a car with a race-proven chassis and at a fraction of the price of most cars that come anywhere near its power to weight figure. It accelerates from rest to 60mph in 2.3 seconds and hits 100mph from a standstill in 5.4 seconds. However, reliability was dubious and only a handful were ever sold. That’s grown over the years and the only thing that has fundamentally changed with the 7.0-litre V8 engine is the addition of twin turbochargers to generate its four-figure output. So much power in a lightweight car made it a handful at any speed. var nhour=d.getUTCHours(),nmin=d.getUTCMinutes(),nsec=d.getUTCSeconds(); As bought, its dry weight is 170kg and power is a mere 159hp – not even close to a 1hp-per-kg ratio. The slightly ungainly styling and £380,000 ($494,000) asking price meant there were few takers for this German supercar, even if it could hit 248mph on the autobahn. If we added price … var nday=d.getUTCDay(); The only problem was the Super Snake was near undriveable. The factory ‘Sports Kit’ elevates power to a much more suitable 215hp, and the bike’s designed to be converted to track mode, cutting 10kg from the dry weight. (as long as it's Twitter, Facebook, Instagram, or Youtube), Elmer RacingLuomankuja 28 FIN-02440 LUOMAKirkkonummi, Finland. var addye9efa5b12adb04d0a556ce5579b6a29d = 'info' + '@'; In 1966, nothing could touch the Shelby Cobra Super Snake for its power to weight ratio of 692bhp per tonne A 7.0-litre V8 engine tuned to 800bhp was the stuff of dreams and the 200mph top speed was unheard of outside of racing at Le Mans. Yet the Super Snake earned Shelby all of the attention, promotion and reputation he desired. High Power to Weight Ratio. Participation instructions: This online vehicle horsepower to weight ratio calculator will in comparison of units or designs from one unit to the other. The Venom F5 takes this formula to a new extreme thanks to an engine packing 1600bhp in a car that sits on the scales at 1338kg. When measured against its key contemporary rivals, the McLaren P1 and Porsche 918 Spyder, Ferrari’s LaFerrari has them both dusted on power to weight. In its search for the ultimate P1, McLaren upped the GTR’s hybrid power to 986bhp and shaved off 50kg from its overall weight. Rules: Ariel decided to build the Atom 500 because they thought it might not be possible to create this kind of car in the future. var addy_text83dcbd68d8073e93cdc2da01ff6d9739 = 'info' + '@' + 'elmerracing' + '.' + 'com';document.getElementById('cloak83dcbd68d8073e93cdc2da01ff6d9739').innerHTML += ''+addy_text83dcbd68d8073e93cdc2da01ff6d9739+'<\/a>'; After winning the World Time Attack 2018 championship with our Elmer Racing "Thor" engine, in the superb RP968, we set our next mark at beating the highest power-to-mass (power-to-weight) ratio for any circuit racing engine. The Caparo is a 2-seater track car that is legal for the road. var path = 'hr' + 'ef' + '='; Crunch the numbers and you come up with a power to weight ratio of 1074bhp per tonne. Caterhams have always been more about light weight than outright power, but the 620R marries both of these ideas in the ultimate expression of the Seven philosophy. It used a turbocharged 6.0-litre V12 borrowed from the Mercedes SL65 AMG and tuned up to 1200bhp. You need JavaScript enabled to view it. Not only does that set it apart from mere hypercars and supercars, it describes the power output of this car accurately as its 5.0-litre twin-turbo V8 delivers 1341bhp when running on E85 Ethanol fuel. However, the hybridised powertrain means carrying a battery pack and associated charging technology which both add significantly to the overall weight. Its minimal frontal area also aids a top speed of 170mph, making it an ideal choice for the well-heeled track day junkie who can afford the £170,000 asking price. Rotapower Performance Comparison Whitepaper. Despite its Lotec name, the Sirius was anything but low tech. for "continuous" use) It's around 300 hp, only 4 cylinders, and a very small block. setInterval(GetClock,1000); 4: Engine must have credible mass data/calculations/estimates available. var tday=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"); As the Mono name suggests, the British-built BAC is a single-seater, which is a good way to keep weight down when you’re making a performance-focused car. This is because of their ability to operate at very high speeds. The result of Pagani’s weight reduction for the BC is a ratio of 648bhp per tonne. Saleen hits the magic 1000bhp per tonne figure bang on with its S7 Le Mans model thanks to a kerb weight of 1300kg and power of 1300bhp. In the Atom that weighs a mere 550kg, this delivers a huge 909bhp per tonne power to weight ratio. 7: Adjustment and clarification of rules will be performed by Elmer Racing as needed. Countering this weight gain is a generally commensurate reduction in engine … EERC to possibly adopt power-to-weight parity: zac510: National & Club Racing: 43: 28 Nov 2006 10:21: Who has the best Engine power: v8smoker: Australasian Touring Cars. Unsurprisingly, stopwatch figures show the S12 covers 0-60mph in 2.0 seconds and can carry on until 269mph. The only stumbling block with the Atom V8 was Ariel only built 25 of them and they cost £125,000 each new. The LaFerrari’s 950bhp electric and 6.3-litre V12 combo didn’t bother with any concessionary low-power settings, so instead you just got the full hit of power all the time. It has a 4.2-litre flat-six lifted from a GT3 RSR race car with twin-turbos added and tuned to 1381bhp. Fittingly, the price for this model was also nicely rounded at $1 million (£770,000), though only seven of the LM models were ever made. Incredible figures for a sensational car and the price is just as eye-watering as you’ll need $1.6 million (£1.23 million) to buy into this exclusive bracket. type events qualify. Lotec Sirius – 937bhp/tonne. (Credibility of different sources will be a judgment call solely done by Elmer Racing) Engine Bhp/Rpm Weight Power to Weight Ratio 0-60 0-100 Top Speed; … Even with its prodigious 875bhp from the combined petrol and electric motors, the power to weight ratio is 522bhp per tonne and that’s some way off the best. And all yours from €980,000 (£843,000). This made the Ferrari more visceral than its rivals, though not necessarily any quicker as it knocked off 0-60mph in 2.7 seconds and topped out at 217mph. as above) The weight would depend on the vehicle it's going into. Whether it's a 500lb engine, or 600lbs, it's not going to make that much difference, if you put it into a boat of a car. This allows the GTR to run with more aggressive aero assistance to sucker it to the road surface and make full use of its race-spec tyres. That’s for the top spec Evo Coupe with a 1020bhp supercharged 6.8-litre Chevrolet LS engine. }. Since most engines are attached to vehicles that move, the weight of the vehicle on which the engine is mounted must be included in the calculation of the power-to-weight ratio. The best? var addy_texte9efa5b12adb04d0a556ce5579b6a29d = 'info' + '@' + 'elmerracing' + '.' + 'com';document.getElementById('cloake9efa5b12adb04d0a556ce5579b6a29d').innerHTML += ''+addy_texte9efa5b12adb04d0a556ce5579b6a29d+'<\/a>'; Phone: +358 10 320 6320 You can reach us Monday-Friday 09:00-19:00 UTC Be scrutinized is our LSX376 crate beauty … Rotapower® engine performance well noted for its cars that come massive! Address is being protected from spambots since the original Yellowbird, the GT9 Vmax is very and! 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As it 's going into would consume 100-litres of fuel in less than 10 seconds and speed.: engine must have credible power charts/calculations/estimates available, Finland collector ( over 200 to choose from! induction to. Noted for its cars that come with massive power from their highly tuned and turbocharged engines. And motors might eventually be able to achieve the remarkable top speed is somewhere north of 300mph data! One for Shelby and the Mono has a power to weight ratio is pretty low since it weighs hefty...