[python] RE : Re: : new phytonauts

Salut Serge,
   
  would it be possible to see a picture of your Birdcage ?
   
  Merci
   
  Bruno

serge <prinz_serge@xxxxxxx> a écrit :
  Hi all phytonauts,

I'm the constructor of the Birdcage.
Yesterday i drive downhill and i reached 47,5 km/h and this without 
pedaling , the bike is very stable and its like you drive a mountain 
bike, it glides away and the speed is not stressy at all, more the speed 
is high, more stable is the bike (but i had to drive very clean, no risk 
to take, and no holes must be in the streets)(i drive without clickpedals)
With pedaling only maxspeeds at 30 km/h are possible( a short time), 
because i had problems with PSI (pedal induced steering) .
This problem is perhaps the reason i crashed heavily a month ago at 
speed of 30 km/h .
Suddenly the bikes becomes incontrollable (breakout left right left 
right) and you can't keep it straight anymore. I think its because my 
brain don't know the situation.
Speeds at 20km/h is actually no problem and this in the right cadence of 
pedaling (to high or to low pedaling speed had the same problem with psi 
control )
Uphill i think i can be much better if i had better training 
condition(my own body fails)(.....Dann versäg ich sie alle...)
Each trip reached average speeds of ± 16-17 km/h.
I drive the python now for 106 km and I have11 H 41 hours of 
practice(only 6 and half on streets the rest was testing in front of my 
house.)

Salut
Serge

sorry for my english!

I found a interesting page in french that compares material resistance 
from alu 6061 and alu 7075 with steel: (look at" the resumé")
http://bentmania.free.fr/site/index.php/mecanik/mecanik/l-alu.html
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