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See diagram below for parameter matching. Geometries were found using DGB standard of disk, gap, band, and vent areas of 53%, 12%, 35%, and 0.37% of the nominal area (calculated using the selected nominal diameter).
Sustainer Booster Drogue:
-8 gores
Parameter | Value (in) | Calculation Notes |
Nominal Diameter (Dp) | 2454 | |
Nominal Area (S) | 4522290.3922 | pi*(Dp/2)^2 |
Geometric Porosity | 12% | |
Vent Diameter (Dv) | 13.46028 | pi*(Dv/2)^2 = 0.0037*S |
Disk Diameter (Dc) | 1738.2888 | Dc/Dp = 0.72 *from Phoenix |
Gap Height (h2) | 12.00025 | 0.12*S/Band Length |
Band Height (h3) | 26.91756 | 0.35*S/Band Length |
Band Length (l=8*e) | 54122.287145 | pi*Dc |
Suspension Line Length (lr) | 4091.8 | 1.7*Dp |
Booster Sustainer Drogue:
-8 gores
Parameter | Value | Calculation Notes |
Nominal Diameter (Dp) | 36 | |
Nominal Area | 1017.88 | pi*(Dp/2)^2 |
Geometric Porosity | 12% | |
Vent Diameter (Dv) | 2.190 | pi*(Dv/2)^2 = 0.0037*S |
Disk Diameter (Dc) | 25.92 | Dc/Dp = 0.72 *from Phoenix |
Gap Height (h2) | 1.500 | 0.12*S/Band Length |
Band Height (h3) | 4.375 | 0.35*S/Band Length |
Band Length (8*e) | 81.430 | pi*Dc |
Suspension Line Length (lr) | 61.2 | 1.7*Dp |
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