[quote=deej1;8627875]
No you didnt.

He asked when the flywheel power correction was place into the power equation.

Is it done after power has been calculated?

 

From what he said, it appears that it is doing WHP calculation. The correction factor is only used when you want a BHP estimate.

 

Agreed.

Definitely. Having tested all the betas of this 'tuning tool', I'm inclined to say that it's probably the best out there in terms of backup and features. Any request/fix has been sorted in as little as 24 hours. Given the amount of time spent on the alternatives, I'm sure that Dyno Vision will prove successful when it comes of age

LMFAO


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Seriously people, why all the bickering?

This software is out there, and it's free...
If you like it, use it.
If you don't, why are you trying to pull it apart?

The absolute numbers from ALL of my logs mean nothing. (Even though most do match DD rollers to within 10BHP)
The gains are measurable, and we all know that's what matters.


Anyway Alan,

Many thanks for the awesome software, I hope to be using it for quite some time.
Keep up the good work

 

Thank you for the kind words, wip.

 

Word.

 

This is a very nice tool, my power graphs look really choppy for some reason. Any ideas what's going on? Here's a quick comparo
DV


VD

 

Up the smoothing factor and your graph will be fine.

Edit: note you also have an option to smooth the custom and afr curve with the checkbox too, uncheck these to see the raw data graphs.
if you need to.

 

That graph above is with a smoothing factor of 15, I have upped it to over 100 with no effect on the choppiness.

 

Please email me your log from your graph above and i will look into this right away.

thanks,
deej

 

this software shows whp not bhp from the start or am I wrong ?

if yes, it means the flywheel power correction works in the wrong way
it should increase power instead of reducing it on the graphs and you should rename calculate whp as "calculate bhp" and add the % instead of removing it from the base graph

I loaded my logs in virtual dyno and dynovision and with the only thing changed being the occupant weight and I have very close results, I use the less smoothing I can 1 in VD and 5 in DV

p.s.
the editable % of transmission loss is a great idea tough
I've seen a few evo results on European dynos and there only was between 11-15% transmission loss so 24% is fantasy for me

edit : does 1/4 mile 12.214s @ 112.59mph with 314whp 286lbs/ft seem realistic to you ?
if no then there is something wrong with the way whp is handled in this software because I did that going uphill ! and that's what dynovision tell me I have when I click "calculate whp" and reduces even more the power that is already too low from the start to be "BHP"

 

looks interesting...

 

Can you explain how you calculate from whp to bhp because it doesn't fit the % transmission loss.
How can I end up from 390.4bhp to 314.8whp with 24% transmission loss ? That's more like 19.365% loss to me

oh..I get it...you added 24% of the whp to end up with the bhp...not sure it's right..at all
we are talking about a loss here not a gain so the "base value" (100%) is the engine power not the wheel power
you loose 24% of the engine power you do not gain 24% of the wheel power

the correct calcul for 24% would be : bhp = (whp / (100-24)) x 100

 

press refresh graph button.

 

Question,

What is the WHP of a standard Evo 8 260 ?

 

depends on the dyno... on mustangs they can sometimes be even lower, 230 to 240 range.