Hi Vi,Nice CAD work. I understand the need for freeing your arms from the hull for training/stability/stopping, however, I think those arms stick out too much in your design and might add quite some significant drag. Perhaps you'd need some aerodynamic-protected handles on the sides of the main hull?
Looking forward to the amphibian CAD! Best, Pascal On Sun, 14 Aug 2011, Vi Vuong wrote:
Hi Jürgen,Can you ask Matthias from Kahla for some specs / measurements, that are track specific, such as 650c/700c rims and gearing? Is pacemake a veloshell, electric-assist motor, or some sort of go-fast device? The word "fear" appears in Google translation a few times, so mental training must be key to going fast.I read somewhere that there is a cadence limit beyond which our mind cannot keep up with the feet (pedal/steering interference), which can vary from person to person. However, it seems that python is capable of going fast enough with training, where drag becomes a limitation (20mph, 30km/h), and that a velomobile shell may help. Here is my CAD work so far, but not sure how to make it out of recycled materials yet, but I am planning to use sticks or outrigger to start / stop. http://www.youtube.com/watch?v=zvfVLi8m9po. A water / amphibian version is coming...Vi________________________________ From: Jürgen Mages <jmages@xxxxxx> To: Python Mailinglist <python@xxxxxxxxxxxxx> Sent: Sunday, August 14, 2011 1:41 PM Subject: [python] New Speed Record For those who understand German: There is an interesting thread going on the german recumbent forum: http://www.velomobilforum.de/forum/showthread.php?28186-Python-Lowracer Matthias from Kahla states that he reached with his python 95 km/h (about 60 mph) on a racing track with pacemaker. He also manages FAST downhills by keeping pedaling while slightly rear braking. Sadly there is no picture of his bike. Cheers, Jürgen. ============================================================ This is the Python Mailinglist //www.freelists.org/list/python Listmaster: Jürgen Mages jmages@xxxxxx To unsubscribe send an empty mail to python-request@xxxxxxxxxxxxx with 'unsubscribe' in the subject field. ============================================================