1100EVO Does it really have 100 hp?

[koko64]

Just read a local magazine test of the 1100Evo.  Said it was the first desmodue to come out with 100hp.
Has this been tested by any magazines? Claimed hp, rwhp, at the crank?
A 100hp desmodue, that'd be nice.

[factorPlayer]

Yes.

[Raux]

afaik all Ducati numbers are at the crank

[Speeddog]

In the past, it was a believable rear-wheel HP number.

Then, maybe 4 years ago, changed to a fictional crank HP number.

[He Man]

how is it fictional?

I always thought crank hp was a more scientific number because drive train lost can vary so much. if you bolted the same motor to one with light weight chain, sprockets, wheel vs one with stock components, your essentially "freeing up" hp. so atleast you know your motor makes 100hp, and you could get closer to that without modding the engine.

my bike is rated 95hp. but it puts out 83 at the rear wheel on stock components.

[H-2 CHARLIE]

 My BMW S 1000rr is  183 hp at the  rear whell and they claim 193 hp but most say its  200 or over at the crank stock .

[Kopfjager]

No, not at the wheel.

[koko64]

Thanks for all the replies.
Rear wheel hp is what matters to me because that is what the average dyno operator measures when they are tuning. It is the power delivered by the total product in it's practical use. It's where the rubber hits the road so to speak.
So then, how much rear wheel hp do they make? Has Sportrider measured one on a dyno yet?

[Kopfjager]

Thanks for all the replies.
Rear wheel hp is what matters to me because that is what the average dyno operator measures when they are tuning. It is the power delivered by the total product in it's practical use. It's where the rubber hits the road so to speak.
So then, how much rear wheel hp do they make? Has Sportrider measured one on a dyno yet?

Well if you are gonna get it Dynoed, they can tell you what it's putting down.

[ungeheuer]

how is it fictional?

I always thought crank hp was a more scientific number because drive train lost can vary so much.

You answered your own question.  Crank HP is fictional coz in reality its not what you get.  As you've identified, losses can be many and varied.  Motorcycle (and other vehicle) manufacturers like to quote crank numbers.... coz they're more impressive, but they're fairly meaningless when attempting to compare one bike's stats against another's.

Rear wheel hp is what matters to me because that is what the average dyno operator measures when they are tuning. It is the power delivered by the total product in it's practical use. It's where the rubber hits the road so to speak.

^^ What koko64 said.

[Kopfjager]

You answered your own question.  Crank HP is fictional coz in reality its not what you get.  As you've identified, losses can be many and varied.  Motorcycle (and other vehicle) manufacturers like to quote crank numbers.... coz they're more impressive, but they're fairly meaningless when attempting to comapre one bike's stats against another's

[bikepilot]

^  You could have a billion hp at the crank, but all that matters is what you can put down to the road (and incidentally what you can put down is all that's really verifiable so mfg's can more easily fib about crank #s).

I'd be surprised if a stock 2v can put 100hp to the wheel., but its not out of the question.  I'd expect around 90 for the latest one which is still mighty respectable.  With mods they can go way over 100hp at the wheel though. 

[hillbillypolack]

Normal driveline loss is 12-15%.  So if you're pulling 100 at the crank, it's 85 to 88 at the wheel.

YMMV.

[hbliam]

So then, how much rear wheel hp do they make? Has Sportrider measured one on a dyno yet?

Even if they did it would vary from yours. The only thing a dyno is good for is to measure your bike and the mods you do it, before and after.

And this crank number reporting is universal. My SRT8 Challenger is advertised at 420HP. It dynoed at 355 to the rear wheels. Right in the neighborhood of 85%. I managed to get another 20HP with exhaust/CAI and custom tuning. The shop I used has seen stock numbers from 340 to 380 at the wheels. So results may vary car to car, bike to bike.  Then there is the whole dyno, dyno operator discussion. Your results will vary with the weather, the dyno, the operator, etc. Same day, same dyno, same operator, before and after mods is the best way to gauge mod performance.

The EVO with 100HP? Likely right in the 85Hp range.

[koko64]

Very true.

I was having such a conversation with two local dyno operators the other week.  One guy said that his ega, dyno, and software must be set up and calibrated correctly, and he had to be on his game for the dyno tests to have integrity.

It's also true that I could shop around for a more "generous" dyno!