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Instead of carrying a pump, (which can get lost or stolen)
this new bicycle uses the tubular frame as storage for
pressurised air, which the rider generates as they move
This is possible because the frame gets continuously filled
due to the support for the saddle acting as a pump,
each tiny bump encountered adding more pressure to the
contents of the frame.
To inflated a soft or flat tyre, all you need do is extend the
long tube connector that's permanently attached to the
frame; turn the special unlocking key, and deliver the air
required via its flexible end valve.
(??) Self inflating innertube
positive pressure,...mpty into the tire.
[bs0u0155, Feb 13 2019]
||um, could you make a valve, or two valves, or a tesla valve next to a regular valve where the bumps caused positive pressure, above tire pressure, to accumulate in a reservoir and then have the higher pressure reservoir empty into the tire. That would keep the tire topped up with bump-based pressure fluctuations.
||//positive pressure, above tire pressure, to accumulate in a
reservoir and then have the higher pressure reservoir empty
into the tire.//
||I did something along those lines <link>
||While I am here, couldn't you fill the frame with
||Most sparkling soft drinks seem to have something
acidic in them, so the perfect alibi for using sparkling
plonk, Offissher (hic)