Motor cap sizing help...?

[Cow]

View attachment 21151 View attachment 21152 View attachment 21153

Typical axial flow grain aeration fan. Inlet.
1.7 amp is with no restriction.
2.1 amp is with inlet blocked with sheet of plywood. Blocking output, as best we can, is 2 amps.

VFD set at 60 HZ.

Nameplate: 1.5 HP, 3450 rpm, 460v, 2.1 fla.

Good info Tom.