(braking) power on the fan shaft; n is the rotational speed; index 1 denote values without the belt driveNashtatfth1e=faNnshsafpt e2(end2/inn1d)i3c,ated in the catalogue; and i(n3)dex 2 de wnhoetreesQthies tvhaelufleoswaoftfetrhethaeira; Pppislitchaetisotantiocfptrhesesbuereltrd...