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Originally Posted by 7bmwm3gtr
(Post 10600828)
I'll go check again next time i find myself climbing. The hills in my neighborhood are about 10-14%
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Yeah, my closest route is a 24 mile out-back with almost 2,900 feet of climbing. Cadence? I try to just keep moving- getting close to breaking the 2 hrs mark but it is one painful climb. I'm trying to build my legs though so I never go to 27 at the back and keep it 2-3 down. Maybe that's the wrong approach to becoming stronger.
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I just did hill repeats on a 9-14% hill (almost half a mile). Cadence be damned, I was just trying to make it to the top each time without stopping.
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Originally Posted by Idahofish
(Post 10601076)
I just did hill repeats on a 9-14% hill (almost half a mile). Cadence be damned, I was just trying to make it to the top each time without stopping.
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Just looked back @ a recent ride in WKO+ and 3 minute hill that gains 180 feet in .4 miles (8.2% grade according to WKO). With my 34x25, cadence @ 72 rpm @ 8.5mhp and 280 watt average (I weigh 175 pounds). To "spin" up this type of hill @ 90+ rpm (though I am not much of a spinner), I would need significantly lower gearing or need to put out a lot more power.
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Only on bf.net is the average rec. cyclist averaging 10+mph up 10% grades. :rolleyes:
My Garmin says I averaged 65rpm for my last ride of 46 miles, with 5100 ft. of climbing. Anything 10% or over, and the rpms slow waaay down, sometimes into the 40's when it gets really steep. I'm not a spinner. ;) |
Originally Posted by DScott
(Post 10602366)
Only on bf.net is the average rec. cyclist averaging 10+mph up 10% grades. :rolleyes:
My Garmin says I averaged 65rpm for my last ride of 46 miles, with 5100 ft. of climbing. Anything 10% or over, and the rpms slow waaay down, sometimes into the 40's when it gets really steep. I'm not a spinner. ;) Well maybe that's because, like me, you aren't one of those average recreational cyclists that invests money into fancy light wheels that make you faster on the climbs. :D Anything 10%, I'm just tyring to make it up without falling over!:p |
Originally Posted by DScott
(Post 10602366)
Only on bf.net is the average rec. cyclist averaging 10+mph up 10% grades. :rolleyes:
My Garmin says I averaged 65rpm for my last ride of 46 miles, with 5100 ft. of climbing. Anything 10% or over, and the rpms slow waaay down, sometimes into the 40's when it gets really steep. I'm not a spinner. ;) |
Wow, during my last mountain ride, my cadence ranged from about 40 rpm to 70 rpm, with a 53/39 up front and 11-26 on the back.
I think most of the climbs were in the 6 percent range - it was in the Blue Ridge Mountains in southern Virginia - with one half-kilometer at 19 percent (I didn't make it all the way up that one). My goal was to keep my power at a reasonable level, 200-250 watts, for the entire climb, though by the fourth climb I was pretty worn out and was struggling, which is when I was turning the pedals at 40 rpm and going about 4 mph. I probably could have spun faster during the first two climbs, pushing 80+ rpm, but that would have worn me out. |
Originally Posted by umd
(Post 10600969)
Based on... what?
The road/street is Gellert Boulevard. I used Google Earth to find the elevation gain. On one side of the road, the elevation gain was 251 ft and the horizontal dist. was 2217.6 feet, and i plugged it into the gradient percentage to get a grade of 11.2%. The other side of the road has an elevation gain of 349 feet, with a horizontal dist. of 2270 feet, and i got 15.4% from that. I still haven't been able to confirm my speeds. But on the 11% one, i've sprinted up 3/4 of the climb in my 39/21. I just don't remember the speed or cadence. |
Originally Posted by 7bmwm3gtr
(Post 10605332)
The road/street is Gellert Boulevard. I used Google Earth to find the elevation gain. On one side of the road, the elevation gain was 251 ft and the horizontal dist. was 2217.6 feet, and i plugged it into the gradient percentage to get a grade of 11.2%.
Originally Posted by 7bmwm3gtr
(Post 10605332)
I still haven't been able to confirm my speeds. But on the 11% one, i've sprinted up 3/4 of the climb in my 39/21. I just don't remember the speed or cadence.
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Originally Posted by umd
(Post 10600913)
Sheldon sez a 30x21 is 10.1 mph and a 30x11 is 11.1.
... the power demands of going 10-12 mph up a 10% grade notwithstanding... Edit: 10.1mph would take about 5.7 W/kg and 11.1 would need 6.4 W/kg That's world-class power output to sustain for any non-trival length of time. |
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