[Launch control settings]

Hello again. Will the "disarming speed" be a problem? I do not have wheel speed sensors..

[DI Input]

7 minutes ago, Adamw said:

No, the table would not have been active with DI8 off.  It is only the status display in PC Link that doesnt update after an input is turned off.     

Okei- the green «active» will not turn off. Do i need to be conected to the ecu?

[DI Input]

I do have a 4D fuel table on my g4+. I tought it was always on. But i found that it was switched to DI-8. I do not know how that happened. Was the table active because of that DI-8 reads «active»? 

The pullup was off…

[DI Input]

Why is the DI 8 Active when the switch is off? (Not in use)

[Launch control]

23 minutes ago, Adamw said:

Yes you can do this.  I thought I had already given you examples of how to set this up a couple of times in the past.  Attach a copy of your tune and I will set up an example.    

I think you did yes, but i could not find it. Sorry about that.

Can you explain it without the files? I do not have them atm.

[Launch control]

Hello, i have a dragrace Snowmobile with a big turbo on it. I use launch control to make it spool- (i have some issues with it because it is a twostroke..)

Anyway, i want to control the launch better. Can i make a timer setup where the ecu only let the rpm rise by timer? So the engine dont go wild when i let of the launch button? I want the snowmobile to roll out before all the power comes on.

[Turbo rpm]

Hello- i have a Comp ct4 turbo.

Can a Borg Warner 179430 rpm pickup be used with it in Link G4+ Storm? Do i need more parts?  (I know i must machine a hole for the sensor)

[Rev limit noice]

Hello, i have a bmw e36 driftcar- s50 turbo. Use G4+ STORM. 

It is extremly noicy when it hit the rev limiter. Big bangs…. To much..
What can be done to make it less noicy?

Thanks.

[Launch Control]

Thanks

[Launch Control]

I did not have the helpfile on my phone, but this is from HP academy. It says the same. Can it be just for the max rpm rev limit ?

[Launch Control]

I`m working on a launch control setup with a G4+. And i red in the help file that when auxiliary injection is used, the percent and not degree or absolut degree must be used. Why is that?

[Launch control settings]

1 hour ago, Adamw said:

This is just a random made up example, but it is a quite normal trend for road racing, I have no idea how things work in snow.  But the general idea in cars is there is an ideal amount of slip that will give best acceleration (not zero slip).  It is much easier to start off with too much slip, then quickly pull the RPM down to achieve the ideal slip, than it is to start off with too little slip, and then somehow try to invoke an increase in slip. 

Will it work with jump to 8000 first, and so down to 5000-6000 and so up again? Is that what you mean?

[Launch control settings]

Is the rpm numbers in that table just random numbers, or why do they start high and go down?

[Launch control settings]

Hello, i have turbo snowmobile using Link G+. It does not have any speedsensors. My question is- can i set up a table, so when i let go of the launch button, the engine will gradually increase rpm. So i can adjust it in rpm vs second.

 

 

 

 

[Launch control]

Will try, thanks

[Launch control]

Hello, is it possible to set up launch control so that rpm/launch limit is at 7000 rpm, to spool faster to a set boost range. And when the wanted boost is reached, then the rpm limit goes down to 5000rpm. All time at wot.

(G4+-storm)

[G4 logging]

It did work when i start logging.... thanks.  

[G4 logging]

[G4 logging]

In my timeplot it only shows AN 6. The EGT cyl1 is missing. I have the Label set correct, like you have on the left in the picture.

 

[G4 logging]

Hello. Can the names/labels in the logging groups be changed? Mye egt and tps only show "an volt6" and not "egt1" etc. Its hard to see what is the right egt when i have 3 of them, and no name in the logging group.

Thanks

[arctic cat]

3 hours ago, Adamw said:

You need to determine that on the dyno, every engine/injector/exhaust design/etc will need something different.  The ideal timing will likely be somewhere around when the transfer ports are open and the max scavanging pulse in the expansion chamber occurs, with the injection event finishing before the reverse pulse starts pushing back.  

I know vipec have software for Arctic Cat 800. Can you take a look at what injector timing they use? that will be a good start for me. I did see a Polaris layout on this forum. It looked like it had 95 btdc at 3000rpm and moved to 150 btdc at 7000rpm. (It will be when the reedvalva is open, and piston sucks gas in to the crankcase. If someone could check how AC-800 twostroke injector timing is, it would be great 

[arctic cat]

21 hours ago, Adamw said:

Notice the name of the file is "Not tuned" so I dont know if the injector timing is relevant or not.

Do you know when to fire injectors on a twostroke? Vipec does have maps for it? 

[arctic cat]

On 4/25/2019 at 9:08 AM, Adamw said:

Map attached.  Note the AC M800 ecu had unique hardware different to all our other ECU's at the time.  It still used the VTS software but it was very different internally.  So you can only use this map in a AC M800 ecu, it wont work in any other V series as far as I know.

AC800 NOT TUNED.pcl 37.67 kB · 14 downloads

What injector timing do this twostroke use? I have Link storm on my AC tripple turbo. In have no idea what settings for injector timing

[Link- Can Lambda]

Where do i find that file?

 

[Link- Can Lambda]

Hello, i have wired up can Lambda to my snowmobile-engine. I have followed the instructions for software in the help section.

I have not started the engine, but i have a handheld starter and it turns it at 650 rpm. Gauge( Lambda1 shows nothing on my pc, and sensor does not heat up.

Any ideas?