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Tag Archives: GPS
First cyclecomputer?
Our cyclecomputer database goes deep. We have found, scanned and posted a PDF of the manual for what is probably the first cyclecomputer, the Veltec Pacer 2000. We also have manuals for early Cateye, Avocet and Vetta computers, and rare … Continue reading
Posted in Updates
Tagged bicycle, computer, cyclecomputer, GPS, Pacer 2000, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, Veltec
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Modeling bicycle dynamics
We publish another paper by Osman Isvan. He uses a simplified model with only 3 degrees of freedom and simulates system frequency response under steady-state and transient conditions. He investigates the effects on vibration isolation of several key parameters including … Continue reading
Posted in Updates
Tagged bicycle, cyclecomputer, data, energy, Garmin, GPS, Isvan, Osman, Osman Isvan, Power meter, resonance, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, speed
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GPS not working right on your smartphone?
Older smartphone no longer maps bicycle routes well? Rides are recorded as 173,000 hours long? (Really!) New article by our friend Mark Sevier explains these problems and offers some solutions.
Posted in Updates
Tagged Android, Garmin, GPS, iPhone, RidewithGPS, smartphone, Strava
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Osman Isvan on Ride Data
Osman analyzes data from over 1000 of his own bicycle rides to see what they show, and describes what might be discovered by mining the huge troves of data held by Strava, RidewithGPS and other GPS-based mapping services. Osman makes … Continue reading
Posted in Updates
Tagged bicycle, cyclecomputer, data, energy, Garmin, GPS, Power meter, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, speed
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Gear calculator updated
The Gear Calculator has been updated with new Shimano, SRAM and Campagnolo cassettes, and the new Shimano Steps 5-speed internal-gear hub for E-bikes. French and German versions of the Calculator have been updated too.
Posted in Updates
Tagged 29er, 32 inch, 36 inch, 7-speed, 8-speed, 9-speed, bicycle, bicyclette, braquets, calculator, children, cranks, development, Entfaltung, Fahhrad, fatbike, gain, gain ratio, gear inches, gearing, GPS, internal-gear, length, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, v
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Addition to post about 360-degree video
Thanks to Philip Carlson, our article about 360-degree video now includes a video clip illustrating the nighttime performance of the Garmin VIRB 360 camera. As expected, there is camera-motion blur, but it looks much different from that with a conventional camera.
Posted in Updates
Tagged 360, 360 degree, bicycle, Garmin, GPS, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, video, VIRB, VIRB 360
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More about bicycling video
A table of contents page for our articles about bicycling video, and some new articles too — camera reviews, articles about technique and video-editing software.
Posted in New pages, Updates
Tagged Avid, bicycle, camera, Contour, Deshaker, GoPro, GPS, HDR-AS100V, Mobius, Pinnacle, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, Sony, video, Virtualdub
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Gear Calculator updated!
Our gear calculator is now updated to cover the newest cassettes from Shimano, SRAM and SunRace. — Still to update: the French- and German-language versions.
Posted in Updates
Tagged 29er, 32 inch, 36 inch, 7-speed, 8-speed, 9-speed, bicycle, bicyclette, braquets, calculator, children, cranks, development, Entfaltung, Fahhrad, fatbike, gain, gain ratio, gear inches, gearing, GPS, internal-gear, length, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com, vélo
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Cyclecomputer and GPS database update
Our cyclecomputer and GPS database is undergoing a major review. We’re not all done yet but we have fixed a number of bad links where manufacturers dropped support — thanks to the Internet Archive and our backup copies. And then … Continue reading
Posted in Updates
Tagged bicycle, computer, cyclecomputer, GPS, shelbroco, Sheldon, Sheldon Brown, sheldonbrown, sheldonbrown.com
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