Can you reach the same power output as a Duc V4R with Akrapović race exhaust, that with some Shell motor oil and race fuel reaches 238 hp, with a modified inline 4 bike? I mean like if a rich consumer team with no restrictions building an (naturally aspirated) inline 4 race bike, like the Honda that has the same 81 mm bore as the Duc, went to Pankl and requested forged rods & high compression pistons, then added race kit crankshaft, race cams, full titanium exhaust system, would they have been able to, running race fuel, match the Duc's power output?Like even in WSBK, the Honda and BMW seem to have a few hp less than even the non race bike consumer Ducati, and the WSBK bike is slowed down by regs to keep it less dominant.Why can the V4 be made so much more powerful than inline engines? 238 hp is Suzuki and Yamaha MotoGP bikes from 10 years ago territory, is it possible for a non prototype inline bike to reach this? What would one need to replace on the 1000cc Honda to match the Duc?
Straight line paper stat obsessed squids has lead to disastrous outcomes for the motorcycle industry
does it really matter to you what the specs on a $30k+ sport bike are?
>Why can the V4 be made so much more powerful than inline engines?There's no cheating in the formula with boost because these motors are still NA, that means more power is simply bigger displace or moar revs. In the case of the Ducati, it's more revs. Look at the Ducati's tach, 16.5k rpm limiter, that's completely bonkers. If you can make an I4 1.1L spin that high, you'll achieve similar power numbers. The main thing that matters without cheating (boost) is displacement per minute, whether that's achieved through revs or displacement.(Made big mistakes and corrected)
>>28920306The Honda and BMW are both like 215hp stock in the EU so similar power figure shouldn't be a huge stretch.It could be that even with the same power, a V4 (or crossplane inline 4) gets more traction due to its firing order.
>>28920385if you're on a race bike in a race. you're gonna be revving the tits off it all of the time and the straight is the easiest place to overtake.>but you're not doing that on your commute fuck asstrue. but bikes are largely LARP. and sensible isn't fun. even if the silverwing scoot does look comfy.anyway, I'm saying sports bike sales are largely based on what manufacturers can convince us is cool.
>>28920306An i4 will always have a heavier crankshaft with more friction points which puts it at a natural disadvantage.Ducati also runs meme-valves (Desmodromic) which have 2 advantages: No valve float at high RPMs and a general "lighter" valve train which bleeds less power to drive.To reach similar power output in an I4 you need pneumatic valves like in Motogp.
>>28920455Yeah I think this is the big thing. The ducati V4 puts the power down better coming out of the corners and are generally easier to ride than the screamer. This is what wins races.
>>28920573overrated, marquez' rc213v was a screamer from 2012 to 2016.>>28920475this is the answer i was most looking for
>>28920475But do you think it is even possible for a race prepped Honda cbr engine to reach 240hp on race fuel?
>>28920979with ported heads, an aftermarket racing ECU, high viscosity race-oil and all that stuff it probably could get an extra 25 hp yes. But at a severe cost of longevity.
