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 LeadershipJosh 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 RevealedDiscover 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 InnovationExplore 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 MarketLearn 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.SponsorsThanks to Schultz Outfitters, TroutRoutes and OnX Fish Midwest for sponsoring this episode. Use artfly20 to get 20% off of your TroutRoutes Pro membership.Related ContentS6, Ep 142: Winter Musky Adventures and Streamer Tactics with Ellis WardS7, Ep 14: The Streamer Playbook: Tips and Tactics for Targeting Big Trout in East Tennessee with Ellis WardS2, Ep 114: All Things Game Changer with Blane ChocklettAll Things Social Media Follow Scientific Anglers on Instagram and Facebook.Follow us on Facebook , Instagram , Twitter and 

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