|
|
Thread Tools | Display Modes |
#21
|
|||
|
|||
Cold weather, sore throat
On 11/12/2018 10:14 AM, Radey Shouman wrote:
... before widespread electrification household water power was an option for those lucky enough to have running water: https://www.lowtechmagazine.com/2013...er-motors.html This idea was successful enough that power-only water networks were established in few places, to running motors without wasting large amounts of potable water: https://www.lowtechmagazine.com/2016...orks.html#more I'd not heard of that. Very interesting! -- - Frank Krygowski |
Ads |
#22
|
|||
|
|||
Cold weather, sore throat
Frank Krygowski writes:
On 11/12/2018 10:14 AM, Radey Shouman wrote: ... before widespread electrification household water power was an option for those lucky enough to have running water: https://www.lowtechmagazine.com/2013...er-motors.html This idea was successful enough that power-only water networks were established in few places, to running motors without wasting large amounts of potable water: https://www.lowtechmagazine.com/2016...orks.html#more I'd not heard of that. Very interesting! Truly there is more than one way to do it. Reading a little further, one sees an actual water-powered sewing machine motor, complete with drip tray for leaks: https://www.lowtechmagazine.com/medi...itzerland.html To get closer, if not quite on, topic, lots of material on the applications of stationary bicycles: https://www.lowtechmagazine.com/2011...factories.html -- |
#23
|
|||
|
|||
Cold weather, sore throat
On Tuesday, November 13, 2018 at 9:43:51 AM UTC-5, Radey Shouman wrote:
Truly there is more than one way to do it. Reading a little further, one sees an actual water-powered sewing machine motor, complete with drip tray for leaks: https://www.lowtechmagazine.com/medi...itzerland.html To get closer, if not quite on, topic, lots of material on the applications of stationary bicycles: https://www.lowtechmagazine.com/2011...factories.html Many, many years ago, James McCullough (sp?), then editor of Bicycling magazine, edited a book on human powered contraptions. It touted things like pedal powered lathes and plowing fields by using a pedal powered crank system to reel in a cable that pulled the plow across the field. It didn't seem to transform society. Related: I recently read _The Most Powerful Idea in the World_ https://www.amazon.com/Most-Powerful...a+in+the+world The author noted that when slavery was legal (as it was in most human societies at one time or another) slave labor was preferred over animal labor for power production. His explanation was that humans are more efficient than draft animals, in terms of work out vs. food energy consumed. - Frank Krygowski |
#24
|
|||
|
|||
Cold weather, sore throat
On Tue, 13 Nov 2018 11:53:20 -0800 (PST), Frank Krygowski
wrote: On Tuesday, November 13, 2018 at 9:43:51 AM UTC-5, Radey Shouman wrote: Truly there is more than one way to do it. Reading a little further, one sees an actual water-powered sewing machine motor, complete with drip tray for leaks: https://www.lowtechmagazine.com/medi...itzerland.html To get closer, if not quite on, topic, lots of material on the applications of stationary bicycles: https://www.lowtechmagazine.com/2011...factories.html Many, many years ago, James McCullough (sp?), then editor of Bicycling magazine, edited a book on human powered contraptions. It touted things like pedal powered lathes and plowing fields by using a pedal powered crank system to reel in a cable that pulled the plow across the field. It didn't seem to transform society. Related: I recently read _The Most Powerful Idea in the World_ https://www.amazon.com/Most-Powerful...a+in+the+world The author noted that when slavery was legal (as it was in most human societies at one time or another) slave labor was preferred over animal labor for power production. His explanation was that humans are more efficient than draft animals, in terms of work out vs. food energy consumed. - Frank Krygowski I've read that the English prison systems had "treadmills" that the prisoners were forced to power. See https://www.uh.edu/engines/epi374.htm cheers, John B. |
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
ahh cold weather at last! | greggery peccary | General | 1 | October 30th 06 02:30 PM |
FS: Giordana Cold, Cold weather tights, Size 3 | [email protected] | Marketplace | 0 | December 12th 05 06:33 PM |
FS: Giordana Cold, Cold weather tights, Size 3 | [email protected] | Marketplace | 0 | December 12th 05 06:33 PM |
cold weather Q? | ~R | General | 24 | October 24th 05 11:43 PM |
cold weather? How cold is it? | Max | General | 14 | December 12th 04 07:50 PM |