Wedge specifications were arrived at by cross-referencing various United States Department of Defense documents1920.
iii.
Wedge Area: 3.065 square inches
Wedge Thickness: .75 inches
Translation between Specified Felt Weight and Wedge: 12.84 grams
Weight of Phosphorus: 49.7 grams
Total Weight: 12.8 + 49.7 = 62.5 grams
As seen from the front, the projectile has a silhouette area of .003167 m2
iv.
Assumptions | |
---|---|
White Phosphorus Felt Wedge Mass | 62.5 grams |
Initial Wedge Velocity | 250 - 500 m/s |
Air Density | 1204 g/m3 |
Drag Coefficent | .5 |
Silhouette Area | .003167 m2 |