BONUS: From Core to Coating: The Art of Fly Line Engineering with Josh Jenkins

Join The Butcher Shop podcast host Marvin Cash for an exclusive deep dive into fly line design and manufacturing with Josh Jenkins, R&D Manager at Scientific Anglers. Guest Expertise: Scientific Anglers R&D Leadership Josh Jenkins brings mechanical engineering expertise and years of hands-on experience developing fly lines for America's leading manufacturer. As SA's sole engineer, Jenkins oversees product development, manufacturing optimization and quality control for the company's entire line portfolio. What You'll Learn: Manufacturing Secrets Revealed Discover the complete fly line manufacturing process from core selection through PVC coating application. Learn how Scientific Anglers revolutionized the industry by moving from tapered cores to level cores with tapered plastic coatings. Understand the collaboration process between pro staff anglers and engineers that drives new product development. Featured Techniques: Streamer Fishing Line Innovation Explore specialized line development for musky fishing, including running line diameter optimization for powerful strip sets and color contrast improvements for low-light visibility. Get insights into new sinking line densities and the evolution from basic streamers to modern oversized flies. Manufacturing Insights: From Concept to Market Learn production realities including minimum viable quantities (200-300 lines annually), development timelines from concept to retail and the technology evolution from mechanical cam systems to computer-controlled manufacturing that enables rapid prototyping. Ready to understand what makes premium fly lines perform? This episode delivers insider knowledge every serious angler needs. Sponsors Thanks to Schultz Outfitters, TroutRoutes and OnX Fish Midwest for sponsoring this episode. Use artfly20 to get 20% off of your TroutRoutes Pro membership. Related Content S6, Ep 142: Winter Musky Adventures and Streamer Tactics with Ellis Ward S7, Ep 14: The Streamer Playbook: Tips and Tactics for Targeting Big Trout in East Tennessee with Ellis Ward S2, Ep 114: All Things Game Changer with Blane Chocklett All Things Social Media Follow Scientific Anglers on Instagram and Facebook. Follow us on Facebook , Instagram , Twitter and YouTube . Support the Show Shop on Amazon Become a Patreon Patron Subscribe to the Podcast Subscribe to the podcast in the podcatcher of your choice. Advertise on the Podcast Is our community a good fit for your brand? Advertise with us. In the Industry and Need Help Getting Unstuck? Check out our consulting options ! Helpful Episode Chapters 00:00 Introduction 05:19 From Idaho to Scientific Anglers 07:19 Role of R&D Manager at SA 08:57 Insights into Fly Line Manufacturing 14:11 Rise of Specialty Fly Lines 15:31 Collaboration with Pro Staff 19:23 Technology and Innovations in Fly Lines 23:33 Changes in Fly Design and Technique 26:59 Impact of Fly Lines on Rod Design 31:12 Timeline for Bringing New Lines to Market 32:54 Development Process for Musky Gen 2 35:18 Upcoming Products and Innovations