Racers and Coaches: What would you want out of a track-specific iOS app?
#27
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Sounds like it's in the key of C and just one octave, Carleton.
#29
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Exactly what is a rider allowed to have and not allowed to have on the bike, on the body, and in the jersey?
Have you considered wifi instead of Bluetooth? Range is better.
Have you considered wifi instead of Bluetooth? Range is better.
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#30
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I think my tool will be more for training than big USA Cycling or UCI events.
The coaches in the infield can use whatever they want.
WiFi is definitely an option for the transmitter. I just need to figure out what will be transmitted and how to parse it
#31
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Right. A racer's GPS fell off her bike during a race, which is, of course, a faux pas. One of the officials said, "No Garmins," and I wasn't sure if he meant no devices on the handlebar or no devices at all. From then on, I hid mine in my jersey pocket, which seems safer than mounting it on my seat post.
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#32
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Right. A racer's GPS fell off her bike during a race, which is, of course, a faux pas. One of the officials said, "No Garmins," and I wasn't sure if he meant no devices on the handlebar or no devices at all. From then on, I hid mine in my jersey pocket, which seems safer than mounting it on my seat post.
The jersey pocket isn't a good solution. I don't think people should have anything in their jersey pockets. I've seen cellphones, water bottles, and car keys hop out of jersey pockets.
The reason why the UCI bans computers is because people will use them as a pacing device (remember, they want us all to be Eddy Merckx). USA Cycling follows UCI's lead. If you want any record set at a USA Cycling event (elite, jr, collegiate, masters nationals) to be recognized by the UCI, you have to follow UCI rules.
#33
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All true!
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#34
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UPDATE:
I'm working on having options for:
- Nominal Imperial (gear inches of development, i.e. 50t/15t = 90"
- Ratio (50t/15t = 3.3)
- Metric (gear meters of developemnt)
In the US, rider in the infield will use the following to calculate "gear inches"
50t/15t = 27*50/15 = 90.0
What value (instead of "27" above) do the Euro riders use to calculate gear meters?
I'm working on having options for:
- Nominal Imperial (gear inches of development, i.e. 50t/15t = 90"
- Ratio (50t/15t = 3.3)
- Metric (gear meters of developemnt)
In the US, rider in the infield will use the following to calculate "gear inches"
50t/15t = 27*50/15 = 90.0
What value (instead of "27" above) do the Euro riders use to calculate gear meters?
#35
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The English/American way of calculating gears should not be called development because it refers to effective diameter, not movement.
With that said, I think having the three options is a good idea. I don't know what factor they use for diameter to convert to development. It might be something close to 26.5 inches since racing tires are pretty small.
With that said, I think having the three options is a good idea. I don't know what factor they use for diameter to convert to development. It might be something close to 26.5 inches since racing tires are pretty small.
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“When man invented the bicycle he reached the peak of his attainments.” — Elizabeth West, US author
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#36
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The English/American way of calculating gears should not be called development because it refers to effective diameter, not movement.
With that said, I think having the three options is a good idea. I don't know what factor they use for diameter to convert to development. It might be something close to 26.5 inches since racing tires are pretty small.
With that said, I think having the three options is a good idea. I don't know what factor they use for diameter to convert to development. It might be something close to 26.5 inches since racing tires are pretty small.
But, I could be wrong (as I often am).
#37
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UPDATE:
I'm working on having options for:
- Nominal Imperial (gear inches of development, i.e. 50t/15t = 90"
- Ratio (50t/15t = 3.3)
- Metric (gear meters of developemnt)
In the US, rider in the infield will use the following to calculate "gear inches"
50t/15t = 27*50/15 = 90.0
What value (instead of "27" above) do the Euro riders use to calculate gear meters?
I'm working on having options for:
- Nominal Imperial (gear inches of development, i.e. 50t/15t = 90"
- Ratio (50t/15t = 3.3)
- Metric (gear meters of developemnt)
In the US, rider in the infield will use the following to calculate "gear inches"
50t/15t = 27*50/15 = 90.0
What value (instead of "27" above) do the Euro riders use to calculate gear meters?
50t/15t = 2.1*50/15 = 7.0 gear-meters is the same as 50t/15t = 27*50/15 = 90.0 gear-inches
I know it's not perfect, but it's a relative measure that we use when communication amongst each other.
Can anyone confirm that the "rule of thumb" constant for calculating gear-meters is 2.1? If no one corrects me, 2.1 is goin' in the app
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I say go with it. You can always change it later or even make it user-configurable.
My point was about grammar. You should not use the word development when expressing effective diameter. Europeans use development; Brits and Americans use diameter. There is a direct (times pi) relationship, but they are different.
My point was about grammar. You should not use the word development when expressing effective diameter. Europeans use development; Brits and Americans use diameter. There is a direct (times pi) relationship, but they are different.
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“When man invented the bicycle he reached the peak of his attainments.” — Elizabeth West, US author
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#39
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I say go with it. You can always change it later or even make it user-configurable.
My point was about grammar. You should not use the word development when expressing effective diameter. Europeans use development; Brits and Americans use diameter. There is a direct (times pi) relationship, but they are different.
My point was about grammar. You should not use the word development when expressing effective diameter. Europeans use development; Brits and Americans use diameter. There is a direct (times pi) relationship, but they are different.
#41
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Japanese riders just use the ratio to communicate gear size.
#43
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So I made not only 1, but 2 apps
Due to forum rules, I'm putting the information about the apps in the Marketplace forum. But we can continue to discuss them here.
Thanks so much for everyone's suggestions and feedback! Keep it coming.
https://www.bikeforums.net/sale/97588...-training.html
(I feel like deserve a cookie. I'm going to get some cookies right now.)
Due to forum rules, I'm putting the information about the apps in the Marketplace forum. But we can continue to discuss them here.
Thanks so much for everyone's suggestions and feedback! Keep it coming.
https://www.bikeforums.net/sale/97588...-training.html
(I feel like deserve a cookie. I'm going to get some cookies right now.)
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Got them both last night! Looks awesome Carleton!
Including your road drive-train in the gear inventory was a cool touch!!
Including your road drive-train in the gear inventory was a cool touch!!
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Track, use it for flying 200s 57x15 and 57x14 are actually quite usefull, also theoretically gives you less drivetrain friction. Just last week in windy conditions and sub 10 degree weather, I was able to do sub 12 second 200s.
I do think you need to go custom to get 57s or bigger, mine are Gebhardt, but I think Yobi from Hungary might be able to do some special order CNC track rings.
I do think you need to go custom to get 57s or bigger, mine are Gebhardt, but I think Yobi from Hungary might be able to do some special order CNC track rings.
Last edited by Bulldogsprinter; 10-11-14 at 05:52 AM. Reason: Added info
#49
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Track, use it for flying 200s 57x15 and 57x14 are actually quite usefull, also theoretically gives you less drivetrain friction. Just last week in windy conditions and sub 10 degree weather, I was able to do sub 12 second 200s.
I do think you need to go custom to get 57s or bigger, mine are Gebhardt, but I think Yobi from Hungary might be able to do some special order CNC track rings.
I do think you need to go custom to get 57s or bigger, mine are Gebhardt, but I think Yobi from Hungary might be able to do some special order CNC track rings.
#50
VeloSIRraptor