All Episodes

August 12, 2025 39 mins

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 OutfittersTroutRoutes 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 

Mark as Played
Transcript

Advertise With Us

Popular Podcasts

Stuff You Should Know
CrimeLess: Hillbilly Heist

CrimeLess: Hillbilly Heist

It’s 1996 in rural North Carolina, and an oddball crew makes history when they pull off America’s third largest cash heist. But it’s all downhill from there. Join host Johnny Knoxville as he unspools a wild and woolly tale about a group of regular ‘ol folks who risked it all for a chance at a better life. CrimeLess: Hillbilly Heist answers the question: what would you do with 17.3 million dollars? The answer includes diamond rings, mansions, velvet Elvis paintings, plus a run for the border, murder-for-hire-plots, and FBI busts.

Dateline NBC

Dateline NBC

Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations. Follow now to get the latest episodes of Dateline NBC completely free, or subscribe to Dateline Premium for ad-free listening and exclusive bonus content: DatelinePremium.com

Music, radio and podcasts, all free. Listen online or download the iHeart App.

Connect

© 2025 iHeartMedia, Inc.