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Old May 15, 2012, 11:44 AM
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Hi Edi

is it me or your bike sounds overgeared ?
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Old May 15, 2012, 12:01 PM
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Tirol
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Quote:
Originally Posted by Manuspain View Post
Hi Edi

is it me or your bike sounds overgeared ?
No idea how a overgeared bike sounds
Overgeard means the gearing is too long or too short??
Given 1:10,0 was ideal. too long would be 1:9,0 and short 1:11,0...
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Old May 15, 2012, 02:10 PM
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i mean too long. it seems the motor is getting more and more rpm when you need to brake at the end of the straight.
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Old May 15, 2012, 03:06 PM
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Originally Posted by Manuspain View Post
i mean too long. it seems the motor is getting more and more rpm when you need to brake at the end of the straight.
Thats what I intend. I can´t stand a motor maxing out mid straight:
For me its ideal when the motor maximum revs at braking point.
It accelerates to the end. I can make it wheely at any point of the straight if
I dont limit the Amps. Its a Lehner ........................................... By the way
exactly the same motor I have been using since the Warmup last year,
all conditions, on all Tracks: from 180m length indoor to the whopping 380m in Lostallo...
just needs a bit of a change in gearing. Oh and its not a "special" one as suggested
in the spanish forum.. its commertially available to everyone....since over 10 years.
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Old May 15, 2012, 03:30 PM
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What spanish forum says i think is that your motor has a modified back can, hasn t it ? Same info you gave somewhere.

Anyway, it sounds like you still have some rpm availables at the braking point, that was my feeling.
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Old May 15, 2012, 03:45 PM
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Originally Posted by Manuspain View Post
What spanish forum says i think is that your motor has a modified back can, hasn t it ? Same info you gave somewhere.

Anyway, it sounds like you still have some rpm availables at the braking point, that was my feeling.
I admit that in the video I was taking it a bit easy for a safe win in the second run. Maybe obvious for your ear
The only difference of this motor is the back plate. A better way to solder the cables making the motor more compact
and less vulnerable in crashes. But no difference in performace to the normal 1920 series. I was lucky last year to ask
him about a better solution and he was just in the development of that.
The motor has enough power to backflip the bike at any point of the straight. I always try to adjust it that its always on
the edge to a wheely throughout the whole lap. That results to a steady raise in rev. from the beginning of a straight to
the end. 5 Amps more on the limiter and I am in trouble.
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Old May 15, 2012, 04:53 PM
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España, CL, Ávila
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Quote:
Originally Posted by edi.winter View Post

The motor has enough power to backflip the bike at any point of the straight.

...5 Amps more on the limiter and I am in trouble.
These words brought me back to some videos from F1 racing, when ground effect was the key to go fast...

One driver made a complete backflip with no injuries at all. First words he said:

"I´ve seen St. Peter calling me..."



Seems that driving your bike is stressful enough to fear anybody...
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Old May 15, 2012, 07:44 PM
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Make a little test.

Very short gearing, and your gearing. Tell me than which make more wheelies.
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Old May 16, 2012, 01:11 AM
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Austria
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..the problem with his Motor is - it actually has way too much power for a Bike. So no matter how you gear it - you always have to tame it by limiting the Amps.

This weekend was the first time I really noticed the difference between the usual 1/10 Car Motors (4.5T Star, 8T Delta) and a Lehner.
At about 60% of the straight, when my Motors screamed for Mercy, the Lehner really gave one more punch, easily gaining 5-10 meters.
But even on this track, power is not the thing that gives you a good laptime..
Tight lines, good braking and smooth power is what helps a lot more.

The slowest bike (on the straight) started from second place into the finals - driven by the youngest Driver in the field.
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Old May 16, 2012, 04:56 AM
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Quote:
Originally Posted by Manuspain View Post
Make a little test.

Very short gearing, and your gearing. Tell me than which make more wheelies.
I am not sure if I am misunderstanding that you are pulling my leg .
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Old May 16, 2012, 08:25 AM
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The Warmup is coming close and I am still not prepared .
I will be on the Track in a weeks time.
AAAAAAAAAAAAAAAARGGH!!!!!!!!!!!!!!!!!!!!!
Tires for the JABBER Drivers: Alex, Helly, Irmi, Bernhard, Aaron, Panti, Steff, Willi and myself. And a set for the Austrian Nitro Driver Rudi.
Zero made 49 to go
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Old May 16, 2012, 12:10 PM
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Sverige, Västra Götalands Län, Lidköping
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Don't forget the beer
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Old May 16, 2012, 12:13 PM
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remember to open a Window, to get enough air
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Old May 16, 2012, 01:22 PM
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What's missing from the picture? How about a 2l size bottle of CA!
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Old May 16, 2012, 02:35 PM
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What's missing from the picture? How about a 2l size bottle of CA!
Opened a new 20g tube of 406 made 14front and 17 rear.. still a fifth left in the bottle. Was a good hint to check how much glue a tire needs, thanks, a bit less than 2L. Anyway I needed 3 bottles of beer... 2 and the bottle on the picture is still full . The 4 tires on the far left with the "E" on them are my rear ones. Usually I do my tires last... (unluckally) as I started them, Simon "the Bomber" Lancaster gave me a call and I had to listen to what he wanted to tell me. While on the phone I glued them so I guess MY tires are fu'&ed, thanks Simon....anyway next is pressure test and then the last step to finish them.
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