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The .22 Spitfire is an American wildcat rifle cartridge developed by Col. Melvin M. Johnson. It was originally named the MMJ 5.7mm by its designer and is also known in the U.S. as the 5.7mm Johnson, the Johnson MMJ 5.7mm Spitfire, and the .22 Johnson, (or 5.7×33mm internationally).
The analysis highlights Art and Standards as prominent areas in the source structure around .22 Spitfire.
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The extracted context around .22 Spitfire shows recurring relationship patterns in the source. For example, .22 Spitfire → .353 in (9.0 mm) Another extracted example is .22 Spitfire → .224 in (5.7 mm). Use these groups to spot repeated connection types before inspecting the individual relationships.
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carbine johnson m1 22 cartridge mmj spitfire rifle originally carbines 7mm caliber 30 bullet melvin hornet conversion bullets appropriate feed
TTTA extracted 17 structured relationships around .22 Spitfire. Examples in this analysis include .22 Spitfire → Base diameter → .353 in (9.0 mm) and .22 Spitfire → Bullet diameter → .224 in (5.7 mm). The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| .22 Spitfire | Base diameter | .353 in (9.0 mm) | 1.00 | infobox |
| .22 Spitfire | Bullet diameter | .224 in (5.7 mm) | 1.00 | infobox |
| .22 Spitfire | Bullet mass/type | Bullet mass/type Velocity Energy 40 gr (3 g) 2,850 ft/s (870 m/s) 720 ft⋅lbf (980 J) 40 gr (3 g) 3,000 ft/s (910 m/s) 795 ft⋅lbf (1,078 J) 50 gr (3 g) 2,700 ft/s (820 m/s) 810 f… | 1.00 | infobox |
| .22 Spitfire | Case length | 1.29 in (33 mm) | 1.00 | infobox |
| .22 Spitfire | Designed | 1963 | 1.00 | infobox |
| .22 Spitfire | Designer | Melvin M. Johnson | 1.00 | infobox |
| .22 Spitfire | Manufacturer | Johnson Guns Inc. | 1.00 | infobox |
| .22 Spitfire | Neck diameter | .253 in (6.4 mm) | 1.00 | infobox |
| .22 Spitfire | Overall length | 1.65 in (42 mm) | 1.00 | infobox |
| .22 Spitfire | Parent case | .30 Carbine | 1.00 | infobox |
| .22 Spitfire | Place of origin | USA | 1.00 | infobox |
| .22 Spitfire | Primer type | Boxer small rifle | 1.00 | infobox |
| .22 Spitfire | Rifling twist | 1:14 | 1.00 | infobox |
| .22 Spitfire | Rim diameter | .356 in (9.0 mm) | 1.00 | infobox |
| .22 Spitfire | Shoulder diameter | .332 in (8.4 mm) | 1.00 | infobox |
| .22 Spitfire | Type | Rifle | 1.00 | infobox |
The concept neighborhoods around .22 Spitfire bring nearby vocabulary together. In this analysis, examples include Velocity, Melvin and Spitfire. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
Bridges highlight paths between different parts of the .22 Spitfire map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around .22 Spitfire to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — .22 Spitfire · EN edition · Analysis: TopicsToTalkAbout
