3D2A Development Live Stream With Evan Jones

Published on April 21, 2023
Duration: 123:48

This live stream features a discussion between Evan Jones and the host of Hoffman Tactical about the development and scene of 3D-printed firearms and home-built weapon systems. They delve into the challenges and possibilities of creating accessible, DIY firearms, exploring concepts like flywheel delayed blowback, caseless ammunition, and advanced feeding mechanisms. The conversation highlights the trade-offs between accessibility and performance, the importance of user-friendliness for global adoption, and the innovative approaches being taken in the DIY firearms community.

Quick Summary

Evan Jones is developing a 3D-printed semi-automatic rifle focused on DIY accessibility, using a flywheel delayed blowback system. The project aims to minimize the need for specialized machining and commercial firearm parts, making it easier for builders globally. Suckboy Tony's work on caseless ammunition is also highlighted as crucial for reducing reliance on factory-produced rounds.

Chapters

  1. 00:01Introduction to Evan Jones and 3D2A Scene
  2. 00:46Evan Jones's Projects: Flywheel Delayed Rifle
  3. 02:32Beyond Firearms: Evan Jones's Aviation Interest
  4. 03:37Accessibility vs. Performance in Homebuilt Weapons
  5. 05:01Factors Affecting DIY Firearm Completion Rates
  6. 07:18European Friendly Firearms & DIY Ammunition
  7. 07:34Suckboy Tony's Semi-Caseless Ammunition
  8. 08:54Metal Parts in DIY Firearms with DIY Ammo
  9. 09:51Easy to Make Actions: Fixed Breach Face Designs
  10. 11:37Complexity of Rotating Bolt Systems with Manual Tools
  11. 14:36Bolt Face Sealing Challenges in Caseless Firearms
  12. 15:30Historical Analogues for Caseless Chamber Sealing
  13. 17:37HK G11 and Caseless Ammunition
  14. 18:38Venting Gases vs. Full Chamber Sealing
  15. 19:35Electronic Ignition System Challenges
  16. 21:14Manually Operated Bolt Action Caseless Rifles
  17. 21:45Alternative Solutions for Factory Ammunition
  18. 22:01Semi-Telescoped Cartridges
  19. 24:55Fragmenting Cases vs. Push Rod Extraction
  20. 25:14Conventional Cartridge Extraction from the Rim
  21. 28:02High Capacity Feeding Devices: Belt Feds & Helical Magazines
  22. 29:22Cooling Systems for High-Capacity Firearms
  23. 31:35Belt Fed Projects: The RBC9
  24. 35:54Belt Feds vs. Helical Magazines for Vehicle Mounts
  25. 36:36Helical Magazine Examples: Calico, Bison, Lewis Gun, American 180
  26. 41:00Motor-Driven Helical Magazines and Feed Systems
  27. 43:38Drum Magazines vs. Helical Magazines
  28. 46:16Partisan 9 Mark II and Integral Suppressors
  29. 47:05Hill Submachine Gun and P90 Design
  30. 51:17Unique Blowback Systems: [ __ ] Blowback
  31. 53:10Hispano-Suiza Autocannon and [ __ ] Blowback
  32. 54:25Roller Delayed vs. Lever Delayed Blowback
  33. 58:25Gas Delayed Blowback Explained
  34. 59:50Lever Delayed Blowback Implementation Challenges
  35. 63:45Gear Delayed Buffer Systems
  36. 66:36Mean Arms Roller Bearing Delay for AR-9
  37. 70:35Per Rune: Pronunciation and Meaning
  38. 71:05Belt Fed 22 Uppers and DIY Belt Printing
  39. 72:04Belt Fed Orca Project Concept

Frequently Asked Questions

What is Evan Jones's main project in the 3D printed firearm space?

Evan Jones is primarily focused on developing a semi-automatic rifle that is mostly 3D-printed. His goal is to achieve a high level of DIY accessibility, similar to the FGC9, requiring minimal machining and using readily available parts.

What are the main challenges in developing accessible 3D-printed firearms?

Key challenges include balancing accessibility (e.g., using fewer firearm parts, DIY ammunition) with performance. Additionally, designs need to be adaptable for builders in regions with stricter part availability, and the complexity of DIY fabrication can impact completion rates.

What is Suckboy Tony's contribution to DIY firearms?

Suckboy Tony is developing semi-caseless or fragmenting case ammunition. This is crucial for DIY firearm accessibility as it aims to eliminate the need for factory-produced ammunition, complementing the goal of avoiding traditional firearm components.

What are the difficulties in creating caseless firearms?

A primary challenge is sealing the chamber without a traditional casing. Historical and modern solutions involve materials like rubber discs or specialized washers, but achieving a reliable seal for higher pressures remains a significant engineering hurdle.

What is the RBC9 and why is it significant?

The RBC9 is a 3D-printable, 9mm belt-fed firearm. It's significant because it offers a complex, high-capacity system that can be built with DIY methods, featuring a roller-delayed blowback mechanism and detailed documentation for builders.

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