Drawing of an interesting profile on a 90mm Test Shot projectile. I have drawings of similar profiles in 75mm and 120mm, but this was the best one to show. Not the typical AP Shot profile, which is pointed, not the Proof loading which is a cylindrical projectile. Date of the drawing is 1947.
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T54 Test Shot 90mm Loading
- Thread starter EODGUY
- Start date
These test projectiles came in all sizes and shapes it seems. I do not think they equate to Proof loadings, but rather to testing in-flight characteristics. At leastone drawing mentioned the projectile simulated another projectile. Proof loadings generally are pressure test loadings of existing cartridges. None of these designs ever made it to fielding that I know of. Th3 57mm was designated the T31 The 76mm the T-1, the 105mm the T-52 and the 120mm had no "T" number on the drawing. The 280mm is the T161. I have only copied parts of these drawings because the entire drawing is in pretty bad shape.
