UP 



■ 



F^^^ N^ sin e do - F, .^ K 

 TOT b lift b 



= 4,580 cos 



75.50 



-85 = 1,150 - 4,520 - 85 



UP 



■3,515 lb 



FWD 







^TOT \ ^°^ ' ^' 



75.5° 



= -4,580 sin 9 



^FWD = -^'^3°^^ 



Case 2. Trencher rotating in climbmilling mode 

 



"UP 



I TOT b 







in de - F, . .^ N, 

 lift b 



= 4,580 cos / -85 = 4,580 - 1,150 

 75.5° 



Fyp = 3,350 lb 



FWD 



/ TOT I 



cos d0 



•4,580 sin 



I 



75.5 



^FWD = ^'«0 1^ 



85 



67 



