#81
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Wheel weight
On Thu, 7 Mar 2019 18:37:20 +1100, James
wrote: For the ride I mentioned, there was no need for navigation aids. I knew the route, though a part of it I had never been on. You're lucky that you have the area roads memorized. In my part of the planet, the paper map makers decided to save themselves some future work by including planned roads in the paper maps. As these roads were built, there was no need to issue annual updated maps. Roll forward about 50 years and many of these planned roads were never build. The result is GPS mapping hell, where drivers who follow their GPS route advice find themselves thoroughly lost. I sent corrections to Google maps, which removed a few of the offending roads from their maps, for about 6 months, when they mysteriously reappeared. These daze, I demand that first time visitors to my house download and print a map with the proper route somewhat clearly marked: http://www.learnbydestroying.com/jeffl/crud/1540%20Jackson%20Ave.jpg Those who failed to do so invariably get lost trying to drive on non-existent roads. Lesson learned: With navigation aids, it's "trust but verify". I have one of those USB charging circuits that can be powered by a dynamo. The trouble is, most phones need a bit more than 3W to keep them charged and track your location, etc. Perhaps you need a bigger dynamo or perhaps the assistance of an auxiliary dynamo: Hand crank USB charger for phones Complete review! https://www.youtube.com/watch?v=OTIfI_3Ry-0 How To Make A Simple Hand-Crank Phone Charger https://www.youtube.com/watch?v=BFvjqZTCqP4 Survival 30W Hand Crank Generator(Phones/Tablets & More) https://www.youtube.com/watch?v=QMdeu9GhTT0 Or, just buy a smartphone with a monster battery: Energizer’s jaw-dropping 18,000mAh battery phone is absolutely massive https://www.trustedreviews.com/news/energizer-battery-phone-power-max-p18k-pop-3665107 -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
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#82
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Wheel weight
On 8/3/19 4:29 am, Jeff Liebermann wrote:
On Thu, 7 Mar 2019 18:41:03 +1100, James wrote: On 7/3/19 2:11 pm, Jeff Liebermann wrote: On Thu, 7 Mar 2019 13:09:30 +1100, James wrote: On 7/3/19 7:22 am, wrote: Where do you ride your bike at 15-20 hours at a stretch? I rode 10 hours for 250 km over two big mountains (Mt Hotham and Falls Creek), not to mention Tawonga Gap. That would have killed my phone battery trying to navigate through all the mobile black spots, in a couple of hours I reckon. The average bicycle dynamo can deliver 3 watts. If you ride for 10 hrs, that's 30 watt-hrs. Assuming an inefficient 5V USB battery charger, that's 6 amp-hrs or 6,000 ma-hrs. Assuming a smartphone with a modest 2,000 ma-hr battery inside, you could completely recharge your battery 3 times during your 10 hr ride. If you don't want the added load while climbing hills, then you can recharge perhaps 1.5 times during the ride. If you use an mapping app that allows you to store maps on your smartphone, you don't need cellular connectivity during the ride and can therefore operating in airplane mode to save power. Methinks you accidentally sent me your comments via email instead of posting them to the newsgroup. I've inserted them below: Oops! Thanks. In airplane mode, how does it know where you are? (Mine doesn't have a GPS). How does your mapping software know where you are without a GPS? In the USA, a GPS is mandatory because of 911 location requirements. The only mapping devices that don't have built in GPS receivers are some low end laptops and Chromebooks. What maker and model are you using? An old one. My point was, airplane mode isn't very useful. A phone is for communicating. Can't do that in airplane mode. Even my current phone has limited memory and when I tried to download maps I soon ran out of it. Most phones need more than 3W to keep the backlight on and CPU tracking your location and displaying a map, etc. The programs that I use on my various Android phones (My Trails) allows me to control the GPS sampling time in order to keep the power draw reasonable. They also have various "battery save" options to reduce overall drain. My current phone, a Samsung S4 (my S6 blew up), does not have a power consumption graph in the settings. I'll see if I can find an app and check its consumption. Incidentally, the charging current from a 3 watt source is close to the typical 500ma charging current of most phones. 3 watts / 5V = 600ma. Hopefully, you don't have the map display on all the time with backlighting. I did that once while hiking and ran the battery down on my previous S6 in about 4 hrs. If you're using it as a bike computer, not having the display and backlight makes it pretty useless. And the backlight has to be on the outdoor setting for most brightness. Oh, and the reason I know that 3W isn't quite enough, is because my nephew tried it and his phone kept loosing battery power while being charged by the dynamo. Much depends on what equipment he was using and how he tested it. He went on a week long tour. Had a 6V/3W hub dynamo like mine. Had a USB regulator in the Ahead cap. However, he might be correct and 3W of intermittent power might not be sufficient to maintain a full charge on a phone that's always turned on and running. On steep hills, no doubt he wasn't riding fast enough to meet the 6V/3W output. So, how do you use the phone? Always on, battery save, or obtain a location when needed? I leave it in my back pocket, ready to receive calls with location services turned off. I don't use maps or navigation apps. Around where I live, I know where I am and where I'm going well enough. On some gravel roads where I am exploring, I have turned on google maps to see where I am for a few minutes when I stop at an unfamiliar junction, then exit the app and turn off location services. Too bad if there's no mobile phone reception in the area! -- JS |
#83
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Wheel weight
On Thursday, March 7, 2019 at 2:00:28 PM UTC-8, Frank Krygowski wrote:
On 3/7/2019 12:02 PM, wrote: I don't think that there is a road in the world that isn't marked at the intersections. Tom, you must not get out much. -- - Frank Krygowski I didn't have any trouble in Europe. I didn't have any trouble in almost all of the western USA. I only discovered that unpaved private farm roads weren't marked. Every street in Mexico that I went to had the same practices. Even the park roads on Angle Island where you CAN'T get lost have signs. So you're telling me that you live in such a hick part of the backwoods that no one can read or write yet so they don't see the need of street signs? |
#84
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Wheel weight
On Thursday, March 7, 2019 at 2:18:33 PM UTC-8, Jeff Liebermann wrote:
On Thu, 7 Mar 2019 18:37:20 +1100, James wrote: For the ride I mentioned, there was no need for navigation aids. I knew the route, though a part of it I had never been on. You're lucky that you have the area roads memorized. In my part of the planet, the paper map makers decided to save themselves some future work by including planned roads in the paper maps. As these roads were built, there was no need to issue annual updated maps. Roll forward about 50 years and many of these planned roads were never build. The result is GPS mapping hell, where drivers who follow their GPS route advice find themselves thoroughly lost. I sent corrections to Google maps, which removed a few of the offending roads from their maps, for about 6 months, when they mysteriously reappeared. These daze, I demand that first time visitors to my house download and print a map with the proper route somewhat clearly marked: http://www.learnbydestroying.com/jeffl/crud/1540%20Jackson%20Ave.jpg Those who failed to do so invariably get lost trying to drive on non-existent roads. Lesson learned: With navigation aids, it's "trust but verify". I have one of those USB charging circuits that can be powered by a dynamo. The trouble is, most phones need a bit more than 3W to keep them charged and track your location, etc. Perhaps you need a bigger dynamo or perhaps the assistance of an auxiliary dynamo: Hand crank USB charger for phones Complete review! https://www.youtube.com/watch?v=OTIfI_3Ry-0 How To Make A Simple Hand-Crank Phone Charger https://www.youtube.com/watch?v=BFvjqZTCqP4 Survival 30W Hand Crank Generator(Phones/Tablets & More) https://www.youtube.com/watch?v=QMdeu9GhTT0 Or, just buy a smartphone with a monster battery: Energizer’s jaw-dropping 18,000mAh battery phone is absolutely massive https://www.trustedreviews.com/news/energizer-battery-phone-power-max-p18k-pop-3665107 -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 That was commonly the case but the "future roads" were generally marked as dashed lines. I even have here a 1988 Motoring Ordinance Map of Great Britain, Scotland, Wales, the Hebrides, Wight Mann and other lesser islands. By the way, GPS also doesn't have all of the roads. |
#86
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Wheel weight
On 3/7/2019 5:38 PM, wrote:
On Thursday, March 7, 2019 at 2:00:28 PM UTC-8, Frank Krygowski wrote: On 3/7/2019 12:02 PM, wrote: I don't think that there is a road in the world that isn't marked at the intersections. Tom, you must not get out much. -- - Frank Krygowski I didn't have any trouble in Europe. I didn't have any trouble in almost all of the western USA. I only discovered that unpaved private farm roads weren't marked. Every street in Mexico that I went to had the same practices. Even the park roads on Angle Island where you CAN'T get lost have signs. So you're telling me that you live in such a hick part of the backwoods that no one can read or write yet so they don't see the need of street signs? I've ridden in small towns out west (Montana, I believe) where not only did they not have street signs at some intersections in the residential neighborhoods, they didn't even have stop signs. Intersections were completely uncontrolled. I've been in remote Iowa corn country where the signs at intersections weren't road names; they were signs pointing the way to farms, as in "Smith, 1.5 miles" "Johnson, 3 miles" etc. And I can probably find minor country roads around here that lack street signs. It may be that they once had them and they went missing one way or another, but I've certainly seen unmarked roads. -- - Frank Krygowski |
#87
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Wheel weight
On 3/7/2019 8:23 PM, Ralph Barone wrote:
Frank Krygowski wrote: On 3/6/2019 2:12 PM, wrote: GPS based cycling computers with navagation capabilities is one of the best and niciest cycling accesory IMO. Everything in one unit, never have to stop to look at a map, automatic logging and uploading, easy swap between bikes, clean cockpit, user definable datafield (number and content). What is there not to like? https://photos.app.goo.gl/R11bCJx9DAaYHuDQA (map, cadence and power) Since nobody else has mentioned this: What frustrates me about GPS is the lack of context. When I'm following a paper map, I automatically get a wide area view. With the GPS, I know when to turn and I can see what's very nearby on the tiny display map, but I don't know what else is nearby yet out of the display's range. I'm left with the feeling that I haven't really _been_ there. Also, it removes the possibility of interesting but spontaneous side trips. For me, this applies much more to driving, because I rarely use a GPS while bicycling. I generally plan my bicycling route (perhaps using some online resources) then follow paper maps as I ride. Those are in my handlebar bag for easy access. And if I see some particularly charming little road as I'm riding, I may use the map to see if I should use it instead of what I had planned. I pull out my phone's GPS only if there's some confusion. You just need a bigger screen on your GPS. D size (34" x 22") should do. I see they now have foldable phones: https://www.tomsguide.com/us/foldabl...ews-28705.html But those fold only once. If they come out with ones that unfold like a real map, maybe I'll upgrade. Of course, then the problem will be how to re-fold it... ;-) -- - Frank Krygowski |
#88
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Wheel weight
On Thu, 7 Mar 2019 20:35:09 -0500, Frank Krygowski
wrote: On 3/7/2019 5:38 PM, wrote: On Thursday, March 7, 2019 at 2:00:28 PM UTC-8, Frank Krygowski wrote: On 3/7/2019 12:02 PM, wrote: I don't think that there is a road in the world that isn't marked at the intersections. Tom, you must not get out much. -- - Frank Krygowski I didn't have any trouble in Europe. I didn't have any trouble in almost all of the western USA. I only discovered that unpaved private farm roads weren't marked. Every street in Mexico that I went to had the same practices. Even the park roads on Angle Island where you CAN'T get lost have signs. So you're telling me that you live in such a hick part of the backwoods that no one can read or write yet so they don't see the need of street signs? I've ridden in small towns out west (Montana, I believe) where not only did they not have street signs at some intersections in the residential neighborhoods, they didn't even have stop signs. Intersections were completely uncontrolled. I've been in remote Iowa corn country where the signs at intersections weren't road names; they were signs pointing the way to farms, as in "Smith, 1.5 miles" "Johnson, 3 miles" etc. And I can probably find minor country roads around here that lack street signs. It may be that they once had them and they went missing one way or another, but I've certainly seen unmarked roads. Over here we got street signs... but they are written in Thai :-( -- Cheers, John B. |
#89
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Wheel weight
Frank Krygowski wrote:
On 3/7/2019 8:23 PM, Ralph Barone wrote: Frank Krygowski wrote: On 3/6/2019 2:12 PM, wrote: GPS based cycling computers with navagation capabilities is one of the best and niciest cycling accesory IMO. Everything in one unit, never have to stop to look at a map, automatic logging and uploading, easy swap between bikes, clean cockpit, user definable datafield (number and content). What is there not to like? https://photos.app.goo.gl/R11bCJx9DAaYHuDQA (map, cadence and power) Since nobody else has mentioned this: What frustrates me about GPS is the lack of context. When I'm following a paper map, I automatically get a wide area view. With the GPS, I know when to turn and I can see what's very nearby on the tiny display map, but I don't know what else is nearby yet out of the display's range. I'm left with the feeling that I haven't really _been_ there. Also, it removes the possibility of interesting but spontaneous side trips. For me, this applies much more to driving, because I rarely use a GPS while bicycling. I generally plan my bicycling route (perhaps using some online resources) then follow paper maps as I ride. Those are in my handlebar bag for easy access. And if I see some particularly charming little road as I'm riding, I may use the map to see if I should use it instead of what I had planned. I pull out my phone's GPS only if there's some confusion. You just need a bigger screen on your GPS. D size (34" x 22") should do. I see they now have foldable phones: https://www.tomsguide.com/us/foldabl...ews-28705.html But those fold only once. If they come out with ones that unfold like a real map, maybe I'll upgrade. Of course, then the problem will be how to re-fold it... ;-) There's an app for that :-) |
#90
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Wheel weight
On 3/7/2019 4:46 PM, wrote:
On Thursday, March 7, 2019 at 2:18:33 PM UTC-8, Jeff Liebermann wrote: On Thu, 7 Mar 2019 18:37:20 +1100, James wrote: For the ride I mentioned, there was no need for navigation aids. I knew the route, though a part of it I had never been on. You're lucky that you have the area roads memorized. In my part of the planet, the paper map makers decided to save themselves some future work by including planned roads in the paper maps. As these roads were built, there was no need to issue annual updated maps. Roll forward about 50 years and many of these planned roads were never build. The result is GPS mapping hell, where drivers who follow their GPS route advice find themselves thoroughly lost. I sent corrections to Google maps, which removed a few of the offending roads from their maps, for about 6 months, when they mysteriously reappeared. These daze, I demand that first time visitors to my house download and print a map with the proper route somewhat clearly marked: http://www.learnbydestroying.com/jeffl/crud/1540%20Jackson%20Ave.jpg Those who failed to do so invariably get lost trying to drive on non-existent roads. Lesson learned: With navigation aids, it's "trust but verify". I have one of those USB charging circuits that can be powered by a dynamo. The trouble is, most phones need a bit more than 3W to keep them charged and track your location, etc. Perhaps you need a bigger dynamo or perhaps the assistance of an auxiliary dynamo: Hand crank USB charger for phones Complete review! https://www.youtube.com/watch?v=OTIfI_3Ry-0 How To Make A Simple Hand-Crank Phone Charger https://www.youtube.com/watch?v=BFvjqZTCqP4 Survival 30W Hand Crank Generator(Phones/Tablets & More) https://www.youtube.com/watch?v=QMdeu9GhTT0 Or, just buy a smartphone with a monster battery: Energizer’s jaw-dropping 18,000mAh battery phone is absolutely massive https://www.trustedreviews.com/news/energizer-battery-phone-power-max-p18k-pop-3665107 -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 That was commonly the case but the "future roads" were generally marked as dashed lines. I even have here a 1988 Motoring Ordinance Map of Great Britain, Scotland, Wales, the Hebrides, Wight Mann and other lesser islands. By the way, GPS also doesn't have all of the roads. There are also 'former roads' notably in Nebraska but also northern Wisconsin which were once paved but are now gravel and often no longer plowed in winter, being not especially useful as population has changed ( from small farms to large with less population). -- Andrew Muzi www.yellowjersey.org/ Open every day since 1 April, 1971 |
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