1. Tube Magazine Fed Bolt-Action Rifle—Cal.30-30 Winchester. STUDENT: DALLAS CLAYTON DAIGLE CONCENTRATION: MECHANICAL CLASS: ET 494 FALL 2015 INSTRUCTOR: DR. CHRIS KOUTSOUGERAS ADVISOR: DR. JUNKUN MA.

2. Introduction. There have been few developments around the.30-30 in many years. Most.30-30 Firearms are lever action. Lever actions inherently have exposed hammers and many moving parts. Space concerns and inherent danger with exposed hammers. Lever actions can be difficult for inexperienced shooters. Especially older models.

3. Introduction—Contd. A Bolt action would eliminate the need for an exposed hammer by having firing components contained within the bolt. This makes them inherently safer than their lever operated counterparts. The.30-30 Win has a pronounced rim, which often catches on the followers of traditional box magazines. The rim and the blunt nose of the round are the reasons behind tubular magazines being ideal for the.30-30 Win.

4. Objective(s). Create an safer design for the.30-30 Winchester. This design utilizes a bolt action rather than a lever action. It retains the tubular magazine running under the barrel. The chief idea/objective is to retain the pros of both types of actions while eliminating their respective cons.

5. Design Challenges. Action/Mechanism must be designed to reliably and safely complete the firing  ejecting  feeding  reloading cycle repeatedly until magazine is empty. The chamber/barrel/headspace needs to be designed to handle a variable working pressure with a maximum of 42,000psi (290Mpa). Custom barrel, magazine assembly, receiver/housing and internal mechanisms must be designed and adapted to meet a standard bolt and trigger assembly. The whole system should be light and compact, with internals that are simple and reliable, and made of specifically selected materials. It needs to be easily disassembled for cleaning, and need little maintenance to function smoothly.

6. Mechanism Previously Completed.

7. Previous Deliverables. Conceptualize and complete rifle/mechanism design. Compile all necessary data. Complete all necessary calculations. Choose best material(s) based on calculations. Build assembly model prototype in SolidWorks. Complete analysis of all parts in COMSOL. Total build cost estimation.

8. Previous Timeline. Start Conceptualizing Idea/Potential Designs……………..January 20 th -27 th 2015 Begin Learning SolidWorks……………………………………..….March 2 nd 2015 Complete Initial Design Concept/Drawing……………….…March 17 th 2015 Complete Proposal and Presentation…………………………March 27 th 2015 Final Design and Calculations……………………...…………....April 13 th 2015 Complete Part Drawings and Assembly Model………..…May 5 th 2015 Complete Analysis on all Parts………………………………..….May 5 th 2015 Final report and Presentation.…………………………………...May 8 th 2015

9. Current Deliverables. Continue and complete a finished mechanism design. Build detailed 3D model prototype in SolidWorks. Hand/COMSOL analysis on system. Research/Calculation to establish further material properties. 3D printed plastic display model of system. Re-estimation of total cost.

10. Current Timeline. Begin Weekly Meetings With Advisor………………..…...August 25 th 2015 Begin Re-designing and Modeling Parts.……………..…..August 26 th 2015 Complete Proposal and Presentation………………...…...September 11 th 2015 Complete Initial Model of Final Design………………..….October 15 th 2015 Begin Troubleshooting and Modifying Model....….....October 16 th 2015 Complete 3D Printed Display Model………………..………December 5 th 2015 Complete Analysis on all Parts……………………………..….December 5 th 2015 Final report and Presentation.………………………….……..TBD

11. Questions? THANK YOU—THE END.