RVF400, race bike,never ending story

[g-force performance]

I have seen subframes get completely torn off, or destroyed, in a cartwheel. Also, our bike has the undertail exhaust taking up that space. If the ECU is mounted in the steering head area, it's a little harder to get damaged. It's still possible for sure, but I think it's more protected. That's where we are mounting ours.

In the USA we say..."6 of one, 1/2 Dozen of another". In other words, it's probably all the same in the end.

Mike Norman
G-Force Engine Development

[Luis]

I think too that in the front the ECU is more protected. Or in the airbox there is no way to damage the ecu with a crash

[mruehl34]

Monday i will put the bike on a dyno again and i hope we will finish
the map. I want to ride the bike in march. Want to go to France.

Michael

[mruehl34]

Yersterday was a long day on the dyno, we made 178 runs with the bike and fuel injection. But it works better and better. Best run with 90% throttle position 71,41 Ps at the back wheel. 70,95 Ps with 100%. We made a main fuel map for all 4 cylinders. Measured lambda to the rear cylinder. That mean the the front ones are running very rich and the bike does not have the best power.





In the pics you can see that lambda value is over the full range very constant. Now we must create the cylinder- seletive maps to find more power and a better engine response. We had to cancel the test because I had problems with the software. I must talk with Dubahn if he can explain me to make cylinder-selective maps with the motec software.

I am very confident that i can go next year with the bike on the racetrack.

Michael

[royster81]

That's fantastic news, and it looks as if the FI is finally bringing to work properly. And the video sounds brilliant.

[PARUS]

Good job Michael.

>>That mean the the front ones are running very rich and the bike does not have the best power.

Are you running sequential or alternating ? And how do you select you injector jets ? Because it can be too performed for you bike.

[mruehl34]

Good job Michael.

>>That mean the the front ones are running very rich and the bike does not have the best power.

Are you running sequential or alternating ? And how do you select you injector jets ? Because it can be too performed for you bike.

That is right, the front ones are running very rich, that is the reason why we wil make the cylinder- seletive maps.

Bike is running sequential. We try the injectors of a Honda cbr 600. Learning by doing.

Michael

[porndoguk]

excellent progress mike,

[PARUS]

>>Bike is running sequential. We try the injectors of a Honda cbr 600. Learning by doing.

But as I remember you're using O2 sensor only for rear cylinders. That's can be the issue, because module use this data both rear and front cylinders. Motec should support two O2 wideband sensors as well. I'm not familiar with Motec in details - are there one VE/AFR table for all cylinders or separated table for each cylinder ?

[mruehl34]

>>Bike is running sequential. We try the injectors of a Honda cbr 600. Learning by doing.

But as I remember you're using O2 sensor only for rear cylinders. That's can be the issue, because module use this data both rear and front cylinders. Motec should support two O2 wideband sensors as well. I'm not familiar with Motec in details - are there one VE/AFR table for all cylinders or separated table for each cylinder ?

Now i'm using two lambda sensors, bosch lsu 4.9. One for the front and one for the back ones.

Michael