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Post Info TOPIC: Nitrouscontrol module for gen2


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RE: Nitrouscontrol module for gen2


I've found that Two .028 jets at 550 - 600 will flow about the same as one .028 jet at 1000 - 950.

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If it would be fluid only, not taking into account the xpansion then maybe Poiseuille's Law ?

Flow = (dPressure x Diameter) / (Viscosity x Lenght)

"Flow rate increases linearly with applied pressure"


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PetriK wrote:

If it would be fluid only, not taking into account the xpansion then maybe Poiseuille's Law ?

Flow = (dPressure x Diameter) / (Viscosity x Lenght)

"Flow rate increases linearly with applied pressure"



I don't believe that will apply to orifice theory PetriK, only to large flow diameters there the edge effects are negligible to the overall transfer of fluid.

 



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Draco1340 wrote:

I've found that Two .028 jets at 550 - 600 will flow about the same as one .028 jet at 1000 - 950.




So might be Safe to Say Double(2:1) for Jetting in a Gas State? So if a .028 Jet makes 40hp in a Spray Bar @ 900psi......A .056 jet(+/- a One or Two Sizes)should be Good for 40hp @ 600psi.

I will start here, Thanks for all the info Fella's. smile



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if matador all the way in greece beats you guys to progressive testing im gonna kick yer butts LOL

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smithabusa wrote:

if matador all the way in greece beats you guys to progressive testing im gonna kick yer butts LOL




LOL! I'm Trying man....Keep running into More...and MORE Problems! evileye



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right now my daughter has a very bad respitory cold that requires us to treat her with abuloterol and prednisolone administered by a nebulizer every 4 hrs, hopefully it will pass soon....i have been sick for 3 weeks my-self also....but that is the least of my worries...when she get's better, i will be back to all the bike stuff, gen1 and gen2....smile


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sorry to hear that, hope she gets better very soon.

Greg from Hyperbike tuning is getting a flashing setup from me and will be sharing some maps for common setups etc. Just sent that off today, depending on how things go here might send him a nos harness as well for testing.

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thanks for the concern for my daughter's health everyone...smile..i got greg's harness installed today, and for simplicity, i have installed a single dry fogger nozzle in the middle of my box in order to easily calculate the fuel needed in order to have a safe a/f ratio. I hope to be able to test this week.....pics will follow....wink

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Marc, Glad to hear your Daughter is Doing better Bro. smile
Hey, give me a call when you get a chance Please......
209-604-6040



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phil, do you have skype..?????

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No Sir I do Not. If you want PM on the Other Site and I will Call you??

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skype is a free download and you can pick up a camera for only a few bucks. I use it with my daughters to my in-laws and to my mom. Cool stuff.

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well everybody i tried to test the controller enabled, the bike will not stay running with the code active and the mode a is displayed on the dash, i wish i had more time to fiddle with it...maybe petrik could shed some light on this....blankstare

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only disableing the nitrous code and leaving the shifter code active the bike runs fine..?

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ok - will look into this.

youve not used yoshbox to tune the bike as both nitrousfuel and boostfuel use yoshbox variables for additional fuelling which means that those also take away the yoshbox tune...



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same problem here too i noticed that its running very rich when idle and then stops running. The A mode keeps on and the mode can't be changed.

i switched off the mode and worked fine and then i noticed that it is running rough idle cause it is still too rich and smells gasoline when idle.


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Mode is not supposed to be changed with current button activation... But sounds like something is throwing in too much fuel.

This is very good feedback to identify how real life and desktop sometimes do not match.

Starting to look into this...



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Did a quick test. When engine at idlerpm the exact fuel amount delivered to the engine is the same with nitrous code active and inactive in memory. The version I have is the latest published today.

Could you just confirm what fuelpulse number you have on your engine data screen with the nitrous code activated vs not activated when engine is running any low rpm ?



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ok i will check this but maybe you must check why the A mode stays on even when the engine is off and the mode doesn't change.

i know that the dsm1 button doesn't change the mode but why the dsm2 button doesn't work also?
i have the latest version.

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Planning that DSM is going to be fixed and buttons reserved for other purposes than changing maps in the future. It would be too risky to let the users put nitrous or boost on with modeB or modeC.

Most dyno shops dont like the idea that they need to tune 2 x 3 maps (MS0,MS1 x A,B,C) and if not tuned then the B and C will not be correctly tuned.

Rather just focus on putting accel control steering etc. to the DSM buttons than just changing full maps.



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i will re-flash and post fuelpulse # this afternoon....

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PetriK wrote:

ok - will look into this.

youve not used yoshbox to tune the bike as both nitrousfuel and boostfuel use yoshbox variables for additional fuelling which means that those also take away the yoshbox tune...




my bike was new in the crate when i got it, and the only tuning has been with editor..



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PetriK wrote:

Did a quick test. When engine at idlerpm the exact fuel amount delivered to the engine is the same with nitrous code active and inactive in memory. The version I have is the latest published today.

Could you just confirm what fuelpulse number you have on your engine data screen with the nitrous code activated vs not activated when engine is running any low rpm ?




petrik, when i tried to keep the engine running, it would not keep running unless 1/4 throttle and 4000 rpm's...it will be hard to get pulsewidth # at low speeds..



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same here i can't keep it running below 5000

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could ya send the .bin with nitr active to me

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PetriK wrote:

could ya send the .bin with nitr active to me




i can in a few hours....i will have my wife bring me my laptop to work....smile



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ok - made some progress also checking out the nitrouscontrol module. I was writing a short type variable to a char type variable.

Still want to test this more as so far I have not been able to replicate on the destop what you guys seen with engine running.





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Most likely found the reason which I could not figure out on the desktop testing - the IAP setting was getting to boostcontrol mode meaning that the IAP reading has been way off making idling fuel also way off.

Will get back to this later...




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yep made that mistake at rcc, put a stock ecu on, but with my 3 bar map sensor, wont idle LOL



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Version just published 2.1.0.51 should fix the idling issue wink.gif

Bug description: Activating nitrouscontrol set IAP sensor to boostfuel mode meaning that the IAP sensor values were never getting to ecu. This made the engine not to set fuelpulse according to the vacuum as in the subroutine for calculating the added nitrous we do not use IAP at all. This was something left into the programming logic from the boostfuel which is now removed. On my desktop I was not able to detect this as in my testing of nitrous just focused on activation of the additional fuel on TPS map only.

Thanks for the feedback. Lets proceed with the testing...


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thank you petrik, will try again.....smile

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reflashed the ecu with the latest version....everything is ok.....smile

sap 101
iap 66
iap diff 35
fuel pw 55

now back to testing.....biggrin



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test 1... bike ran fine, so added 40% fuel and took 6 degrees with nos bottle off, activation at 8000, bike lost power and burbbled....biggrin...so it looks like it is working ok with fueling and timeing....now see if i can get on the dyno for test 2....smile



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yes,yes,yes it is working fine Petrik you are the man sir nice work!!!!!

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petrik, is it possible to have the activation  rpm dropbox to have 6000, 7000 added..?

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sure - thats one of the easy changes. but are you sure that you want to generate such a high stress to the crank at so low in the powerband ?



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most of us start at a low % of nitrous, so it is to really help with acelleration

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PetriK wrote:

sure - thats one of the easy changes. but are you sure that you want to generate such a high stress to the crank at so low in the powerband ?




 We have sprayed at 5500-6000 for quite some time. As Stocker mentioned, usually only in first and only on a staged / pulsed system. Not sure I'd want to spray 200 at low RPM,...



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ok, 5000rpm in version 2.1.0.52


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thank you, that will help.......biggrin

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sportbikeryder wrote:

 

PetriK wrote:

sure - thats one of the easy changes. but are you sure that you want to generate such a high stress to the crank at so low in the powerband ?




We have sprayed at 5500-6000 for quite some time. As Stocker mentioned, usually only in first and only on a staged / pulsed system. Not sure I'd want to spray 200 at low RPM,...

 



nice.....smile...thanks john.....

 



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sweet, really excited to see some stuff going on :)



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smithabusa wrote:

sweet, really excited to see some stuff going on :)




 the harness works great.....smile



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now to fully test so you can get to work........biggrin

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tested a little more today with 93 octane pump gas, the a/f seemed a little bit off, so i am picking up a new sensor tomorrow and continueing on....i want my findings to be accurate......

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any comments at all?  We you actually spraying?

You wouldn't believe the amount of real street people calling my house last 2-3 days trying to get gen 2 busas ready for next week LOL

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i have had atleast 10 people in realstreet contact me..........i know..........ashamed

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Lee and Quinn called, sending a flasher out tomorrow express, Quinn said he spoke with you.

Did you know they were talking 300 hp with STOCK fuel pump?



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i have been testing with the factory o2 off, my only problem is that i an not getting BACK TO BACK, a/f readings testing the same .bin and simulating the same pulls, i suspect a couple of things, 1, my wideband has been subjected to oxygenated , leadded race fuel, 2, i have a multi-piece sidewinder, that HAS to have some oxygen leakage in some of the connections, 3, sidewinders are notorious for reversion problems....a HUGE straight pipe with a sensor placed within 24" of an 2' opening....many widebands can't react fast enough....

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