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  1. tahustvedt 01:14, 24. august 2011
  2. tahustvedt 01:15, 27. juli 2012
  3. tahustvedt 01:23, 24. 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
tahustvedt aug. 24, 2011 01:14 25,5 km/t 11 m 218,6 W 3,4 535
tahustvedt juli 27, 2012 01:15 86,2% 26,1 km/t 26 m 383 W 366,4 W 6,2 1248
tahustvedt sep. 24, 2011 01:23 89,8% 22,8 km/t 29 m 391 W 344,1 W 6,1 1258
tahustvedt sep. 25, 2011 01:24 91,3% 22,8 km/t 29 m 382 W 333,6 W 6,0 1243
tahustvedt mai 3, 2012 01:27 90,3% 20,1 km/t 30 m 318,2 W 4,9 1241
tahustvedt juni 19, 2012 01:30 85,2% 20,8 km/t 29 m 313,4 W 4,8 1160
tahustvedt juli 3, 2012 01:33 91,8% 21,8 km/t 26 m 291 W 281,4 W 4,5 1006
tahustvedt mai 8, 2012 01:39 89,8% 18,7 km/t 31 m 297,0 W 4,6 1127
tahustvedt mai 22, 2012 01:44 89,3% 17,4 km/t 30 m 262,3 W 4,0 1038
tahustvedt juli 5, 2012 01:46 81,6% 19,0 km/t 26 m 246 W 236,4 W 3,8 883
tahustvedt juni 9, 2012 01:52 80,1% 17,4 km/t 30 m 235 W 251,2 W 3,6 964
tahustvedt juli 12, 2012 01:55 74,0% 17,3 km/t 34 m 245 W 264,5 W 3,8 1064
tahustvedt mai 19, 2012 01:58 91,3% 16,5 km/t 32 m 277 W 247,3 W 4,3 976
tahustvedt juni 19, 2012 02:02 74,0% 17,2 km/t 28 m 221 W 220,1 W 3,4 826
tahustvedt april 24, 2012 02:03 88,3% 14,9 km/t 32 m 231,5 W 3,6 937
tahustvedt juli 7, 2012 02:04 77,0% 15,8 km/t 28 m 212 W 205,1 W 3,3 813
tahustvedt juni 17, 2012 02:05 76,0% 15,4 km/t 29 m 208 W 214,0 W 3,2 835
tahustvedt mai 19, 2012 02:07 84,7% 15,5 km/t 33 m 254 W 234,1 W 3,9 935
tahustvedt juni 23, 2012 02:15 71,4% 14,4 km/t 27 m 197 W 183,9 W 3,0 720
tahustvedt juli 10, 2012 02:15 71,9% 14,6 km/t 28 m 190 W 186,0 W 2,9 747
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