new campy gravel group 1x13 9x36
09-25-20, 01:45 PM
#51
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I'm going to wait on 1X until they get to 17 and I can have my usual gaps. Only 4 more cogs to go.
Isn't there a law, like the computer memory doubling very so many years that applies to cogs?
Just for fun, does anyone have the dates of the start of the next cog? I just make a graph of year-cog number from 1900 to present. When as the 1st 2-speed derailleur, 3-speed FW? Etc. I'll toss them in the graph and see if I can derive the law.
Isn't there a law, like the computer memory doubling very so many years that applies to cogs?
Just for fun, does anyone have the dates of the start of the next cog? I just make a graph of year-cog number from 1900 to present. When as the 1st 2-speed derailleur, 3-speed FW? Etc. I'll toss them in the graph and see if I can derive the law.
Dates used: 1869 - 1-speed, 1899 - 2, 1926 - 3, 1952 -4, 1958 - 5, 1972 - 6, 1979 - 7,
1991 - 8,1997 - 9, 2000, 10, 2018 - 12, 2021 - 13.
A simple square curve with decent approximation is - Number of Cogs = 1.0172 X (( Year - 1869 ) / 44.5) ^2 +1
Using this curve. I get June 2045 as the arrival of 17 cog cassettes. I"ll be 92. Need to keep my current bikes going.
Ben
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09-25-20, 02:54 PM
#52
señor miembro
Join Date: Dec 2018
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Bikes: '70s - '80s Campagnolo
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