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  1. djm 03:46, 28. juni 2010
  2. jani 04:06, 15. september 2016
  3. jani 04:08, 28. august 2013


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Tur Tid Puls Fart Stigning Effekt Power (est) Gj. effekt/kg VAM

Velocity Ascended, Metres per hour Vm/h usually referred to as VAM, coined by Dr Michele Ferrari is the speed of elevation gain per hour in Metre per hour. This is a term used in cycling to rate how fast an individual gains elevation while climbing an incline. Ferrari also stated that every one percent increase in average gradient increases VAM by 50. For example, a 1650 VAM on a climb of 8 percent average grade is a performance equivalent to a VAM of 1700 on 9 percent average grade. Ambient conditions (e.g. friction, air resistance) have less effect on steeper slopes (absorb less power) since speeds are lower than on gentler slopes
The acronym VAM is not truly expanded in English, where many think the V stands in some way for vertical, and the M represents meters, for instance "Vertical Ascent Meters/Hour." Ferrari says,
I called this parameter Average Ascent Speed (‘VAM’ in its Italian abbreviation from Velocità Ascensionale Media).
A direct translation of "velocità ascensionale media" is "mean (average) ascent velocity" leading to an expansion of the acronym in English as Velocity, Ascent, Mean.
VAM is calculated the following way: VAM = (metres ascended x 60) / Minutes it took to ascend
A standard unit term with the same meaning is Vm/h, vertical meters per hour; the two are used interchangeably.
The relationship between VAM and relative power output is expressed as follows: [3]
Relative power (Watts/kg) = VAM (meters/hour) / (Gradient factor x 100)
This gradient factor ranges between 2.6 for a gradient of 6% and 3.1 for a gradient of 11%
To work out the gradient factor take 2 + (% grade/10)

Examples:

1800+ Vm/h: Lance Armstrong - and Marco Pantani of olden days
1650-1800 Vm/h: Top 10 / Tour de France GC or mountain stage winner.
1450-1650 Vm/h: Top 20 / Tour de France GC; top 20 on tough mountain stage.
1300-1450 Vm/h: Finishing Tour de France mountain stages in peloton
1100-1300 Vm/h: The Autobus Crew

Kommentar
djm juni 28, 2010 03:46 81,4% 17,9 km/t 69 m 325 W 323,3 W 4,0 1099
jani sep. 15, 2016 04:06 78,4% 16,8 km/t 66 m 246 W 255,2 W 3,5 966
jani aug. 28, 2013 04:08 78,9% 16,6 km/t 67 m 245 W 254,5 W 3,6 973
atomt sep. 30, 2011 04:24 82% 15,7 km/t 69 m 338,1 W 3,5 941
jani sep. 12, 2014 04:28 83,2% 15,5 km/t 71 m 236 W 248,1 W 3,4 954
jani mai 31, 2014 04:29 77,8% 15,6 km/t 60 m 197 W 215,4 W 2,9 803
jahhar aug. 7, 2012 04:30 89,3% 15,0 km/t 70 m 259,6 W 3,4 933
atomt sep. 27, 2009 04:32 85,5% 14,9 km/t 71 m 323,5 W 3,2 940
jani april 6, 2014 04:32 83,8% 15,4 km/t 64 m 200 W 223,6 W 2,9 847
atomt juli 1, 2008 04:38 90% 15,6 km/t 67 m 300,4 W 3,1 868
jani sep. 6, 2014 04:39 80,5% 14,8 km/t 70 m 225 W 233,1 W 3,3 903
atomt juli 11, 2009 04:43 92,5% 15,1 km/t 72 m 323,1 W 3,2 916
MartinL feb. 26, 2012 04:43 149 bpm 19,8 km/t 30 m 0 W 0 382
jani april 29, 2017 04:47 82,7% 14,5 km/t 71 m 233 W 231,9 W 3,3 891
atomt juli 8, 2011 04:53 84% 14,4 km/t 69 m 301,7 W 3,0 848
atomt aug. 23, 2009 04:53 82% 13,8 km/t 71 m 298,5 W 3,0 872
atomt sep. 3, 2010 04:54 84% 14,1 km/t 71 m 309 W 288,1 W 3,3 869
atomt aug. 23, 2011 04:58 79% 14,1 km/t 69 m 294,8 W 3,0 834
Moonlit sep. 19, 2013 04:59 77,8% 12,2 km/t 69 m 236,4 W 2,6 831
atomt mai 10, 2010 05:00 82,5% 13,7 km/t 73 m 276,2 W 3,0 876
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