I have just made this table showing the percent benefit of a boat tail as compared to a full boat tail. Enjoy
| LENGTH | CD | BENEFIT |
0% | .488 | 0% |
10% | .375 | 30.3% |
20% | .299 | 50.7% |
30% | .240 | 66.5% |
40% | .194 | 78.8% |
50% | .162 | 87.4% |
60% | .135 | 94.6% |
70% | .125 | 97.3% |
80% | .118 | 99.2% |
90% | .118 | 99.2% |
100% | .115 | 100% |