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  1. hundenjanson 05:22, 3. august 2011
  2. hundenjanson 05:22, 18. juli 2012
  3. hundenjanson 05:25, 13. juni 2012


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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
hundenjanson aug. 3, 2011 05:22 88,1% 7,1 km/t 105 m 81,7 W 1,0 1174 MTB
hundenjanson juli 18, 2012 05:22 88,1% 28,1 km/t 100 m 399,6 W 5,3 1118
hundenjanson juni 13, 2012 05:25 89,7% 27,9 km/t 90 m 376,0 W 4,9 997
hundenjanson juli 21, 2011 05:35 90,3% 13,1 km/t 104 m 165,2 W 2,1 1118
hundenjanson juli 23, 2011 05:36 89,2% 9,3 km/t 100 m 109,9 W 1,4 1071
hundenjanson juni 12, 2012 06:13 87,6% 24,1 km/t 105 m 340,3 W 4,4 1013
Moonlit sep. 7, 2014 06:21 91,8% 23,7 km/t 89 m 324,0 W 3,6 841
Moonlit mai 16, 2013 06:23 92,8% 23,0 km/t 88 m 313,5 W 3,4 827
Moonlit juni 16, 2011 06:25 92,8% 23,3 km/t 88 m 327,2 W 3,5 823
atomt aug. 15, 2010 06:28 90,5% 23,1 km/t 86 m 383 W 337,0 W 3,8 798 På MTB. Muahah
atomt aug. 16, 2011 06:34 86,5% 22,8 km/t 83 m 323,4 W 3,3 758 Straffen for å kjøre opp med full-lastet sekk og f
jani juni 29, 2011 06:41 85,9% 24,0 km/t 84 m 294 W 266,2 W 4,3 754
atomt aug. 22, 2011 06:55 88% 21,6 km/t 81 m 294,5 W 3,0 703
atomt juli 30, 2011 07:04 92% 21,1 km/t 86 m 297,7 W 3,0 730
Moonlit mai 26, 2016 07:08 91,8% 22,8 km/t 94 m 303,6 W 3,3 791
tobiast mai 4, 2013 07:16 78,9% 20,7 km/t 26 m 249 W 117,2 W 3,4 215
atomt aug. 16, 2011 07:18 83,5% 20,8 km/t 83 m 283,2 W 2,9 682
hundenjanson juli 16, 2011 07:21 75,1% 2,7 km/t 111 m 30,1 W 0,4 906
atomt juni 28, 2011 07:23 86% 20,2 km/t 86 m 283,4 W 2,8 699
Moonlit juli 30, 2012 07:26 86,6% 20,9 km/t 87 m 276,6 W 3,0 702
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