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  1. ak-tux

    An S40 in China video number 2

    A Diy using PVC pipe bent appropriately and attached/clamped to the headrest is s good start...;)
  2. ak-tux

    An S40 in China video number 2

    Nice video! They editing is good and getting better and better. Now try a 3rd person POV camera mount position slightly behind your shoulder for more cool shots!
  3. ak-tux

    Mark B's S 40 Build

    I think your S40 is a good/better choice than the V for you. You just need time to adapt and fine tune your new position and I think it will be very fast and practical!
  4. ak-tux

    Mark B's S 40 Build

    Wow! Nice! However I wish the S40 seat was as low as 520mm or atmost 550mm. But I guess they were considering clearance for the underseat panniers.
  5. ak-tux

    The Optimum Hip Angle for Maximum power?

    Interesting! I wonder how high is too high for the BB relative to the seat? :emoji_thinking: . Naturally then, adapation does take place after some time/miles on the said postion, I believe? Does enlisting more/different muscle groups trigger the heart to pump more/faster? As is the case with...
  6. ak-tux

    The Optimum Hip Angle for Maximum power?

    Let me get this one correctly, so for the SAME measured power output and SAME HIP angle, the percieved effort goes up with a greater recline and higher BB? Does it mean the heart is working harder? It would be nice to plot this on a graph: recline angle versues power and Heart rate
  7. ak-tux

    Cruztrike???

    Cruzbike tilting kit disassembly This is a third party kit and looks really nice. Will cruzbike work with this guy and realise a tilting trike addon kit?
  8. ak-tux

    An S40 in China. Loving the bike :)

    On the other hand , probably the number of international customer orders are not high enough to justify warehouse costs for a small stock held in Taiwan? :emoji_thinking: Ah, well, I guess, in the end, it's just about what makes business sense, economies of scale e.tc.
  9. ak-tux

    An S40 in China. Loving the bike :)

    Cruzbike should ship (espcially the framsets) directly from Taiwan for their international customers who are not in the North or South American continents. I think there was a time they used to do that.
  10. ak-tux

    The Optimum Hip Angle for Maximum power?

    It would be interesting to know which recumbent position requires the least level of adaption to generate similar(not exact) levels of power at the pedals if one switches from a standard racing upright road bicycle. I know it may be subjective but there seems to me to be a certain optimum...
  11. ak-tux

    Livestrong Challenge century ride

    Nice action pictures! Strangly enough, there are not many pictures of S40/S30 with a rider in action. And you could have been even faster with less buggier shorts and that water bottle on the rear seat stays mounted behind the seat, away from the wind instead!
  12. ak-tux

    The Optimum Hip Angle for Maximum power?

    If you were to ride an 80 to 100 mile route with mixed terrain, some steep short 10%+ climbs and long moderate 4-5-6% climbs and some flat sections in equal messure, which do you think will have a better time with all else equal? Silvio-S30V2, S40, or V20?
  13. ak-tux

    Livestrong Challenge century ride

    Congratulations! Nice build with bar end shifters too! Must be lightweight. The more you ride the stronger you will get!
  14. ak-tux

    New T50 Build

    Yeah! , but not mine though :).
  15. ak-tux

    The Optimum Hip Angle for Maximum power?

    I came a cross this interrestting study https://digitalcommons.brockport.edu/cgi/viewcontent.cgi?article=1093&context=pes_facpub It shows that a hip angle of 75 deg relative to the line parallel to the BB is the most optimum for power production. Having also read some tests and studies by...
  16. ak-tux

    New T50 Build

    Nice build with nice color contrast between the black and yellow; love it . However, in my opinion, your steerer setup is very long and high becuase the handlebar is facing backwards. It will not be a very efficient climber. There will be power losses due to flex . You want the minimum...
  17. ak-tux

    New T50 Build

    Looks like the handlebar is facing the wrong direction? No clearance for the leg.
  18. ak-tux

    Things are starting to get serious around here!

    :emoji_pray:Pictures please!
  19. ak-tux

    Any one using roller trainer?

    Very creative setup.
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