currently these values are used to compute the power:

final int weightBody = 75;
final int weightBike = 10;
final int bodyHeight = 188;

these values are definded in the method getPowerSerie() within

http://mytourbook.git.sourceforge.net/git/gitweb.cgi?p=mytourbook/mytourbook;a=blob;f=net.tourbook/src/net/tourbook/data/TourData.java;h=d267abf387ac86bd36b9d3012af405b2e39e404f;hb=HEAD