10t ( 6t @ 12ft) ∅ 2ft
20t (10t @ 20ft) ∅ 3ft
30t (15t @ 30ft) ∅ 4ft
60t (17.5t @ 35ft) ∅ 5ft
80t (22.5t @ 45ft) ∅ 6ft
100t (27.5t @ 55ft) ∅ 7ft