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Question





A car weighs 1500Kg and has a specific output of 170BHP/Tonne. Its Torque is 300NM

Car B is a 1600 16V weighs 850Kg and has a specific output of 106.2BHP/Litre. Its Torque is 150NM

Which ACCELERATES quicker? and what is the engine size of Car A?
 

Tom

ClioSport Club Member
  EV (s)


Car B is quicker 200bhp per tonne!! i think? 199bhpish 164.16 bhp output

Car A is about 3200cc and produces 255bhp i think?
 


Car B = 200BHP/Tonne

Car A = 170BHP/Tonne

Car A = 300NM

Car B= 150NM



Ans: Car A accelerates quicker coz we all know its Torque that accelerates and BHP the ability to reach high speeds! Cant work out what capacity of A is!
 

Tom

ClioSport Club Member
  EV (s)


assuming they had identical ratios and drive train

but in reality they wouldnt and car b would have shorter gearing than car a

making it quicker

Nearly got me then but you forgot the gearing!!!
 

Tom

ClioSport Club Member
  EV (s)


yeah but your 1600 doesnt have 164.14 bhp

oh and it isnt 850kg in weight
 


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