Popshot's latest activity

  • Popshot
    Popshot replied to the thread A New Type of Vehicle.
    I'd suggest most bike wheels are expected to miss potholes as the bike is only 2" wide at the road surface and the rider has excellent...
  • Popshot
    The video is all on flat surfaces. I think I can just make out some flexing wishbones at the front but can't help wondering if it does...
  • Popshot
    Popshot replied to the thread A New Type of Vehicle.
    Another point. I would suggest you use 20" wheels not the 29er you mention. Tadpoles and deltas generally use 20" because the wheels...
  • Popshot
    It looks like there's enough thickness in the end tube to cut a notch at the angle of the angle iron. ie cut the notch in the shape of a...
  • Popshot
    There's a wear line already showing. I'd expect that the more power you want to put through it the more it needs to be forced into the...
  • Popshot
    Popshot replied to the thread A New Type of Vehicle.
    That just means less chassis and lighter components trying to control a 212cc engine! Even a poor 212cc engine is going to hit 70mph...
  • Popshot
    Popshot replied to the thread A New Type of Vehicle.
    That looks like the type of chassis and components that would be needed to cope with a 212cc engine's power. It is a particularly nice...
  • Popshot
    Popshot replied to the thread A New Type of Vehicle.
    Ethanol and butanol have less energy than petrol. Alcohol dragsters use methanol which has even less but it can be burned in much higher...
  • Popshot
    Popshot replied to the thread Big Boy Tadpole modifications.
    I'm 270lbs and have used 1.5mm tubing on a warrior style tadpole. 14mm axles have coped fine too.
  • Popshot
    Popshot replied to the thread Dyi electric bike kit.
    If you use a 12t cog as per the motor an 18T freewheel would seem ideal to top a 300rpm motor out at 200 rpm at the wheel and 15mph. If...
  • Popshot
    Popshot replied to the thread Dyi electric bike kit.
    Without a jackshaft you only have the motor to wheel ratio to gear the bike. At the power you are looking at you need to gear for around...
  • Popshot
    Popshot replied to the thread Epod.
    I've chosen this for the seat. Only £10 delivered - I have no idea how it's possible to make and deliver a chair for that money and...
  • Popshot
    Popshot replied to the thread Dyi electric bike kit.
    The red one has no sprocket with it - can one be obtained for it? It's also incredibly tiny to be making a claim of 1760W. A shaft...
  • Popshot
    Popshot replied to the thread Dyi electric bike kit.
    A 26" wheel will do 194 ish rpm for 15mph. A 380W motor is going to top out around 15 to 20 mph plus whatever you add by peddaling. You...
  • Popshot
    Popshot replied to the thread Fat SWB started at last.
    As finished as any project ever gets:-
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