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  1. andreas 05:24, 17. august 2012
  2. lars 05:35, 5. juni 2010
  3. lars 05:36, 15. august 2009


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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
andreas aug. 17, 2012 05:24 87% 25,6 km/t 93 m 404 W 393,7 W 4,5 1033
lars juni 5, 2010 05:35 84,3% 24,4 km/t 102 m 409,4 W 4,5 1096
lars aug. 15, 2009 05:36 84,3% 23,8 km/t 98 m 357,2 W 4,4 1050
andreas juni 15, 2011 05:42 85,5% 23,8 km/t 97 m 368 W 372,9 W 4,2 1021
andreas mai 2, 2010 05:42 92,5% 23,9 km/t 103 m 390 W 404,1 W 4,2 1084
lars aug. 5, 2009 05:51 83,8% 23,1 km/t 97 m 337,2 W 4,2 995
MrErvik juli 20, 2012 05:52 82% 23,4 km/t 95 m 683,4 W 7,0 972
alfgrotte juni 20, 2013 05:53 72,6% 23,6 km/t 91 m 293,2 W 4,1 928
lars aug. 1, 2009 05:55 86,4% 22,8 km/t 99 m 337,1 W 4,2 1004
lars sep. 3, 2009 05:56 81,2% 23,1 km/t 102 m 346,7 W 4,3 1031
andreas april 3, 2011 05:59 78,5% 22,6 km/t 100 m 356,9 W 4,1 1003
andreas juli 10, 2010 06:01 87% 22,7 km/t 99 m 351 W 353,8 W 4,0 987
lars sep. 10, 2011 06:01 86,4% 22,5 km/t 103 m 375,7 W 4,1 1027
espene juni 21, 2011 06:09 84,4% 22,1 km/t 93 m 305,2 W 3,8 907
lars mai 11, 2010 06:10 82,7% 22,5 km/t 91 m 333,9 W 3,7 885
MrErvik aug. 12, 2012 06:11 86% 22,1 km/t 84 m 328,2 W 3,4 815
lars aug. 7, 2009 06:14 83,2% 21,9 km/t 96 m 309,5 W 3,8 924
lars juni 10, 2010 06:14 74,3% 22,0 km/t 101 m 350,3 W 3,9 972
andreas juni 12, 2010 06:17 83,5% 21,6 km/t 98 m 342,9 W 3,7 936
lars mai 19, 2012 06:22 85,9% 21,3 km/t 102 m 356,2 W 3,7 961
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