Hmm, isn't that a similar approach to what Gerald Bull would do with his ERFB projectiles? The ERFB projectiles don't have the mid-projectile ribs, though, just the base fins, if I recall correctly.
Ordered by Brazil as Independencia, she was purchased by the RN in 1878 when war with Russia seemed imminent. The war could be averted, and the RN was stuck with a less than satisfying vessel. She carried four 305mm (or 317mm, sources vary, the latter sounding more likely) rifled muzzle loaders in ...
Will you do PP-VPP's 1998 World Cup livery? Yes. I expected you would do it, it's VARIG's most famous livery... I remember, as a VARIG maintenance engineer intern, going inside recently arrived PP-VRB and oohing and aahing at the flight deck and passenger seats. PP-VRC and VRD were former British A...