GSX-R e899 K2 2018

 

Starting of rebuilding the bike in January 2018.

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Install water cooling system + additional frame for components.

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Building new battery box.

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Temporary installing of battery box and main contactor

 

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New color for additional frame

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Installed controller

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Changed 3AWG cable to 0AWG cable

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Installed the battery box

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Got new 3.5x17 PVM rim (10Y - Design) including Car Front Drag Tire from Hoosier (22/2.5-17)

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First roll out

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But at this point I decided to left the front fender because of the tiny front tire and will bring the front as down as possible by reducing the fork suspension.

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After lowering I had to cut the carbon front fairing

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And I made a little test run @40A phase current

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Update of cooling system incl. T-Virus (water expansion tank)

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Creating new front fender regarding space between wheel and upper front fairing

 

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5th Energy exhibition Element E in Hirschaid

 

Had some good conversations

 

The second day I fighted with a little bit of snow

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Did now the first little test run @ 650A phase current (200A DC @ 98,8 V DC)

So the video is not spectacular but I can say that the acceleration from zero kph is now much better than @ 400A of Kelly controller:

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Yesterday I changed the parameters again to 800A phase current and I also want to change the DC current but it will go back to 200A and actually I do not know why. Maybe there is another parameter I have to activate that this problem can be solved!

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Now I changed the motor phase current to 800A and I saw/feel the hubmotor first time of spinning wheel and burning black stripes to the ground:

 

I also prepared a short introduction of the motorcycle:

 

... and made some better pictures:

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Mounting a bicycle battery lamp called Supernova Airstream II for night drives on some events where a lighting system is requested

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Change cam position on upper fork bridge and therefore I am able to record the Garmin GPS measured speed in parallel

 

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16.04.2018

Made now three little and careful test runs at airport landing field

and the corresponding movie clip

 

 

But actually I have some problems during WOT acceleration because the controller switched off:

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2018.04.19

It seems that I solved now, together with Emsiso, the problem of reaching over current failure which is set via secondary current protection at 900A, peak value.
It was a parameter setting which was not described in the manual I have. So they forwarded this information today and it has something to do with my hall feedback sensor and the settings inside the controller.

One of them called „Velocity encoder factor Divisor“ which has a default setting of 4096 and is used for all other sensor types on the market which assist by Emsiso controller, except hall sensor 😞.
Had to change it to 96 (pole pairs x 6= 16x6)
And now also the sound out of the motor is much quieter!
On dusty ground I direct got spinning wheel, on dry ground not. But I think my batteries are empty now!
So I hope to make a next test run on airport by next Tuesday!

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2018.04.22

I made now some test drives and now it looks better!

 

Waiting now on first official test run @ German Race Wars in Eisenach (Thüringen) ...

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2018.05.07

Update of two voltage display, one for control circuit (red color, 16,8V DC) and another one for the drive train (blue color, 117 VDC)

 

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12.05.2018

Today I wanna run at GRW (German Race Wars Event) in Eisenach, Thüringen, GER.

Therefore I prepared the bike and put him on a trailer

 

I drove near to 200km for only one run.

Last year I need 3,5 hours, two and a half for the distance and 1h waiting time in front of the entrance because I were a crowed of people.

But this time I could drive directly to the entrance, only 4 cars in front of me.

Had a short discussion about the demo drive but everything goes very fast and uncomplicated this time.

Got the same parking area ass last year:

Therefore I prepared the bike very fast made a short walk around the area, come back, prepared myself , went to the race management center and gave them some information about the bike and a little story.

Then they said to me:" You can start!"

So I went back to the bike, switched everything on and drove to the starting area.

Here you find a little movie clip about the one and only run:

 

.... and my time slip result:

 

So I was very happy with this result because I was 8/10 faster than last year, even with this bad spinning wheel at the beginning of the start.

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07.06.2018 Speeddays Alkersleben

To shorten the story I prepared a small movie clip:

 

 

Actually the fastest hubmotor ev on 1/4 mile, as a statement from NEDRA member (Staphane Melancon) National Electric Drag Racing Association)

 

 

 

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18.07.2018

The story about hubmotor ends on 25th of June by short circuit of motor windings. Before I made some successful test runs on the Bamberg airport landing field:

 

 

Now I made the decision to continue with middrive system and starting again on the rolling chassie.

 

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19.07.2018

 

So I throw out the Öhlins damper and fix the swing arm.

To be continued ...