Why do alt-history people never focus on infrastructure or innovation? What would have happened had bikes been invented centuries before cars instead of around the same time? How different would the built environment and our culture have looked?
Personally, I think centuries of more established bike use would have created an infrastructure that limits how well cars take off. Cities would have entrenched themselves in a cheap, dense manner of transit.
I could be wrong, lots of dense cities were wrecked by the car when it was commercialized. I’d love to hear any thoughts :)
Bikes need a level of precision manufacturing that means cars and airplanes are just around the corner no matter what alternative history you come up with. If you sent a modern machinist back to 10BC they could maybe make a bike by hand (if they are lucky enough to get a rich sponsor - making a Gingery style lathe by hand is something a modern machinist would be able to figure out it takes a lot of time an materials that are were not cheap), but the cost would be such that the only people who could afford it already have slaves to carry them everywhere. There might be demand for a handful as a novelty for their young sons (sexist world, girls need not apply) but it will soon disappear as those slaves are cheaper than the bike. (it takes a lot of slaves to mine and refine the ore needed to make the bike)
In 10BC, it would likely be all wood - frame, wheels, crankset, everything - and be driven by a notched leather belt on toothed wooden sprockets.
@Nougat @Nyssa @bluGill even Roman roads would have been hell for cycles with solid wheels. Probably not practical until graded or paved streets or roads became common. Even today’s brick or cobblestone streets are a problem.
I am thinking this:
@bluGill
@Nyssa
One more requirement for cars in addition to the precision manufacturing is a mobile source of energy like the ICE.
Now I’m wondering if an alternative history with industries revolution powered just by water would be possible (once there is steam engine/turbine, internal combustion engine/turbine is just a matter of time).
There was a brief window where ICE cars, electric cars, and steam cars existed simultaneously and all sucked just about equally