- has anyone made a bike with shaft drive?
There have been a bunch – it’s an idea that keeps repeating every decade or so since the 1890s, once people forget that it’s a bad idea.
The problem is that bevel gears aren’t as efficient as a chain, and you get wind-up in the shaft – all the shaft drives I’ve tried have felt like pedalling in treacle and have a disconcerting bounce to the pedals.
Plus, they’re heavy as a very heavy thing.Posted 4 years agoocriderMember
Quite a few city bike hire schemes in France use them. The ones here have them with 3-speed hubs and from my experience with them, I have deduced that they use treacle as a lubricant for the internal movong parts.
It turns out that you can hire shaft-drive bikes in a certain picturesque village north of Windsor https://www.cyclehireslough.com/Posted 4 years agoir_banditoSubscriber
Wasn’t there a two wheel drive bike a few years ago
Christini I believe.
Saw one a while ago, I thought it was a make called ‘Milk Bikes’.
Nah, milkbikes are belt drive
As has been pointed out, too much friction losses in the bevel gears to make it worthwhile for mtb, although there are advantages for commuting and utility bikes.
Katzbikes made a very cool bike with a fully enclosed chain in the swingarm to a Rohloff hub.Posted 4 years ago
Gear train bikes were done over 100 years ago – I think it might have been in Bicycles and Tricycles, there’s a nice sketch of one somewhere.
My favourite stupid drivetrain system is the hydraulic drive. Worked, but so inefficient it was pretty much unrideable.
Though I did some work for a Glasgow inventor a while ago, who had invented a very complicated system involving linkages, spiral shafts, and helical spur gears, very ingenious, a nightmare to make. But the advantage, as he saw it, was that if you pedalled forwards it went forwards. And if you pedalled backwards, it still went forwards.Posted 4 years agorichiethesilverfishMember
I rode one of those Christini two wheel drive bikes once. It tried to kill me.
I forgot that, being two wheel drive, also meant two wheel braking so as I rode along, popped a wheelie and pulled the front brake on it also locked the rear wheel up.
Cue me spiralling across a car park and much laughter from all on lookers.
It was a horrific bike in many other ways too.Posted 4 years ago
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