The freeing port area required by Sec. 45.117(b) must be multiplied by the factor in the following table 5 if the sheer differs from the standard sheer defined in Sec. 45.63. table 4.
Table 5
Freeing port area: Sheer correction.------------------------------------------------------------------------
Multiplier
for area
Ratio of sums of actual sheer ord./std. sheer ord. Greater required
than: by Sec.
45.117(b)------------------------------------------------------------------------1.0......................................................... 1.01.0......................................................... 1.000.9......................................................... 1.050.8......................................................... 1.100.7......................................................... 1.150.6......................................................... 1.200.5......................................................... 1.250.4......................................................... 1.300.3......................................................... 1.350.2......................................................... 1.400.1......................................................... 1.45No sheer.................................................... 1.50------------------------------------------------------------------------