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... So the zephyr with two batteries and two chargers would be ideal, provided the user was allowed to charge one at work?

... d8veh, as you well know, but others might not, power is torque x revs . In a hub motor the designer decided on an optimum road speed and selected the motor accordingly. In a crank drive, the designer did not have to make that decision, as the gears allow the user to select between cadence...

..They did not actually refer to the ups. A conceivable scenario would be where the individual disconnected banks of hard drives beyond the power supply and then reconnected them, thus corrupting information on a raid system. If the correct power up procedure was aborted or not implemented...

.. I think one might see this bike displayed in style galleries or museums in the future as a style icon.

... And wind direction and speed matters a lot also..

.. quite well put .. I particularly liked the bit about bar heater. The only clarification I would make is that volts and amps from the battery generates watts sure, but these can appear as either mechanical power watts (good ) or heat watts (bad ), or both depending on the rotation speed of...

... Looks like a good business opportunity.. lockup cages and monitored .. just like the butane gas cylinders at garages.

Regrettably I beg to differ .. The violence and vile deeds are all part of an overall plan. There is an underlying philosophy, if I can call it that or a belief structure, which requires , , allows , and rewards the believer to behave in ways we would see as abhorrent. For recent similar...

Firstly I would agree with you about the exemplary behaviour of the front line police and emergency responders. Unfortunately the situation with these ISIS related vile activities, is not simply nilhlistic . There is a plan and a consistency to it. There is a belief system behind it and unless...

.. when you are getting the charger tested, you should also get the battery tested also. If the charger was connected to the battery at the time of taking your measurements. It was probably in constant current mode and adjusting it's voltage to suit the current, so a reading of 39v would not be...

Not trying to be arguementive here but are you really sure you have a problem? .. how do you know the range is not what it should be?. Has the range dropped from a previous value.., was it a rapid reduction if so. Certainly after 4 to 5 hrs charging, all 5 lamps should light up and the display...

.. as the author of a post you can delete it. .. go to the tools and then delete. The software asks for a reason so writing in "posted in error " would suffice.

... What is the problem that you are addressing?. If all the five lights illuminate then the battery is charging. What makes you assume that Bosch want the battery pack to go up to 41v .there is a trade-off between high voltage and pack lifetime .

... The older bikes were made with steel, heavy, robust, and unless coated in chrome, or paint, would rust.protected they would last forever. Likewise the crank and cogs were steel and used a cotters pin to hold the cranks in place. If it became loose a couple of belts with a hammer and you...

.. for cheap bikes, think 100 euro or 99£ . These do work, will not be well passivated, so rust quickly and will have soft metal nuts etc they do work but ultimately are unsatisfactory. An ordinary bike at double that is starting into reliable ground, and at three times upwards very good to...

... My observation would be , and I am assuming you still have a 28 mile commute is that. 1. This distance will take more than an hour travel each way. Unless you are on dedicated cycling paths, it would be difficult to sustain any faster speed in traffic 2. It would be desirable to recharge the...

Yes. Very similar to a Raliegh Motus, may be even better with the more enclosed chain guard. Looks very good

.. I agree with you about the derailleurs. They have a wider range, the lifetime of the chains and cogs might be less , but so what? Both these are really cheap. I have the same cogs and chain on a bike ... Not used much but 40 years old!!! If you are strong then even starting off in the...

.... Hi John, can you describe the symptoms more clearly as to what is working or not .. also what Bosch system is it.. The display panel has its own little rechargable battery and this can lead to confusion. You can turn on and off the display irrespective of the battery pack status...

Additional suggestions are 1. The "sit up and beg" bikes including the Dutch style or the katu are probably safer as there is more situational awareness than either a MTB or a racing bike. 2. I would suggest that a step through frame .. including the katu is better for starting and stopping...