Beste resultat
  1. Moonlit 14:38, 3. september 2012
  2. Arne313 17:46, 7. september 2011
  3. djm 18:33, 7. september 2011


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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
Moonlit mai 29, 2010 33:24 9,1 km/t 553 m 271,7 W 2,9 993
Arne313 sep. 7, 2011 17:46 169 bpm 18,6 km/t 523 m 486,7 W 6,1 1766
rudolfsen mai 9, 2011 25:40 166 bpm 13,1 km/t 484 m 0 W 0 1131
bolav mai 6, 2010 45:58 78,7% 13,6 km/t 466 m 282,8 W 3,7 608
Moonlit mai 15, 2011 24:32 14,1 km/t 441 m 337,4 W 3,6 1079
rudolfsen juni 19, 2011 26:55 12,6 km/t 424 m 0 W 0 945
rudolfsen juni 19, 2011 26:55 12,6 km/t 424 m 0 W 0 945
tobiast aug. 10, 2011 23:31 88,1% 14,4 km/t 422 m 275,8 W 3,8 1077
tobiast mars 31, 2013 24:50 13,6 km/t 406 m 252,0 W 3,5 981
Moonlit jan. 21, 2014 30:27 92,3% 10,8 km/t 405 m 244,9 W 2,7 798
Moonlit april 21, 2013 24:01 14,2 km/t 397 m 302,8 W 3,3 992
Moonlit feb. 28, 2013 32:05 12,0 km/t 390 m 254,3 W 2,8 729
Moonlit mai 7, 2013 28:05 77,8% 12,2 km/t 387 m 250,2 W 2,7 827
Moonlit feb. 6, 2016 31:07 92,8% 10,9 km/t 387 m 236,0 W 2,6 746
Arne313 mai 5, 2012 21:09 15,7 km/t 386 m 305,7 W 3,8 1095
Moonlit feb. 28, 2013 28:03 12,1 km/t 386 m 267,7 W 2,9 826
Moonlit april 16, 2013 28:34 82,0% 12,4 km/t 386 m 266,4 W 2,9 811
Moonlit des. 29, 2013 28:32 89,2% 11,2 km/t 385 m 244,4 W 2,7 810
Moonlit juni 29, 2014 26:25 83,5% 13,3 km/t 384 m 268,1 W 2,9 872
Moonlit april 2, 2013 26:22 85,1% 12,6 km/t 383 m 277,7 W 3,1 872
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