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  1. andreas 10:04, 26. juni 2013
  2. MrErvik 10:05, 4. juni 2013
  3. MrErvik 10:06, 15. august 2013


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Trening Tid Gj. puls Gj. 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
andreas juni 26, 2013 10:04 83% 29,1 km/t 131 m 363,9 W 4,2 781
MrErvik juni 4, 2013 10:05 29,1 km/t 126 m 382,0 W 3,9 750
MrErvik aug. 15, 2013 10:06 29,3 km/t 220 m 547,8 W 5,6 1307
MrErvik aug. 2, 2013 10:08 29,2 km/t 117 m 368,8 W 3,8 693
MrErvik juni 28, 2013 10:11 84,5% 28,8 km/t 117 m 360,2 W 3,7 689
fartsklemme mai 1, 2011 10:24 29,1 km/t 116 m 345,6 W 4,0 669
MrErvik aug. 6, 2013 10:27 28,4 km/t 120 m 357,1 W 3,7 689
andreas juli 4, 2017 10:34 83% 27,6 km/t 125 m 335 W 309,2 W 4,2 710
espene juni 27, 2011 10:41 27,3 km/t 117 m 293,2 W 3,7 657
torsj juni 29, 2016 10:42 83,7% 27,3 km/t 126 m 520,7 W 6,2 707
andreas aug. 16, 2009 10:45 88% 27,1 km/t 125 m 316,2 W 3,7 698
lars aug. 21, 2009 10:48 79,6% 27,0 km/t 125 m 300,4 W 3,7 694
andreas okt. 16, 2011 10:49 86,5% 27,2 km/t 127 m 330 W 323,1 W 3,7 704
torsj juni 27, 2015 10:57 86,1% 26,6 km/t 0 m 167,2 W 1,9
torsj juni 24, 2016 10:58 84,1% 26,5 km/t 126 m 500,8 W 6,0 689
lars mai 22, 2012 11:04 84,3% 26,3 km/t 112 m 302,6 W 3,2 607
lars aug. 26, 2009 11:06 82,2% 26,4 km/t 117 m 280,0 W 3,5 632
lars mai 3, 2012 11:11 84,3% 26,1 km/t 128 m 322,7 W 3,4 687
lars sep. 7, 2011 11:12 90,1% 26,0 km/t 121 m 304,2 W 3,3 648
tlangvold aug. 15, 2013 11:13 92,3% 26,1 km/t 122 m 296,9 W 3,5 653
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