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Thanks for that very helpful video.

.. I don't follow the logic of the 5 to 1 reduction when the hub drives, if the planetary gears are in contact with the hub ringgear.

.. maybe the tide is turning , walked down to my local seaside promanade , during the last spell of good weather, and sitting eating my brunch ice-cream.. my second in 40 years , beside a couple who had ecycled out from the town, pleasant conversation , they would have had there bikes probably 6...

I think looking at Sineads choices , and since they are all urban commuting bikes , with the same geometries, the choices are more Big Mac, Burgerking or Eddie Rocket. The choices of bikes here in Ireland would not be as extensive as in the UK. And Sinead seems to have picked a set of winners.

.. is this with the motor and controller energised or with the power switched off.? The internals should be , a big cog on the inside of the hub housing mated with three planetary gears. These all rotate when the wheel is rotating. There should be a clutch or pawls connecting the actual drive...

.. on paper the overvoltage urban looks the better bike, but both lapierre and giant are reputable brands .

Hands on training in small groups is and always was very expensive on resources. Soldiers , police, flight , engineering technicians are all very expensive. There is expensive equipment , which must be industry standard, to be mastered, materials need to be consumed, and having a small group...

.. are you looking into it?

.. I've always wondered how the birds were able to solve the multivariate calculus, in every wing beat and keep flying.. seriously though the maths are needed to move from a concept to a product, which can be manufactured and stood over

Finally a topic on which I should have a informed professional opinion. In an era when the vast majority of people could not read or write, the few who could , irrespective of discipline, were at a premium. Any university degree was therefore " useful". But university degrees were never...

I would expect that the cycle to work scheme will only work with shops paying Vat to Irish revenue.

.. don't assume that that is a BMS. It could just be a battery identification circuit. The BMS could well be elsewhere, as code in the BIOS of the computer.

.. when a machine is as optimised as the bike has become, major improvements are few and far between. Marginal difference in weight. Slightly higher pressure in tyres Slightly better tyres. Slightly better wheels, Perhaps the last major innovation, prior to ebikes was the invention of the...

.. I have a number of responses to that ranging from .. if he is clumsy with his hands , it is your fault for not encouraging him at the appropriate stage.. mind you I am equally at fault with my own children , so don't take it personally. .. to stating being an engineer is not about working...

Remember when Starbucks had mobile phone charger leads, to encourage people to hang around. These seem to have disappeared now. All it needs is a few more sockets in the pubs or coffee shops and it would encourage ecyclists to hang around. The power cost to the owner would be negligible. Peak...

Semi, you can probably do the math yourself.. how long does it take you to do your 90 miles .. that gives you the miles per hour. There are a number of web calculators giving power consumption in watts at various speeds. .. I posted a link some weeks ago from a tyre manufacturer . Power...

.. that's a very good idea , many pub owners would or should be interested in getting that crowd in. Stickers seems a brilliant idea. I tried my Motus yesterday for a while with the power off and was pleasantly surprised , on the level and down hill fine, only on upward slopes did I feel the...

Educated Americans from the top tier colleges have very impressive vocabularies, in this case however she has let style trump substance, obscuring the message.

.. liked the comment about the extra drink!

.. those persuits never go out of fashion, just out of common discourse. Change the name, but don't change the content....