Fly Reel Reviews

How to Read Fly Reel Performance Test Graphs

Mar 07, 2013 · 1 min read
Ben FreemanBy Ben Freeman
Ben Freeman
Ben Freeman

Ben Freeman founded Trident Fly Fishing in 2012 to cut through the marketing fluff and provide anglers with the technical info they actually need. ...

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How to Read Fly Reel Performance Test Graphs
One of the most interesting parts of our 8-Weight Challenge was the great data we got from Admet - which we translated into easily readable graphs. Here's a quick guide to help interpret the graphs. For each test, the initial rise is caused by the stretching of the line before the drag engages. Once it engages, the drag strength is easily visible on the Y-axis. Drag smoothness is also easy to see. Ideally, you'd want every drag to be a horizontal line, which corresponds to perfectly uniform drag force across the test. In reality, we see some waviness.

White graph with blue wavy and red force lines vs distance, green drag strength line, arrows mark stretch and smoothness

Start-up Inertia

Start-up inertia is easily visible in the graphs. It shows up as an initial spike, followed by a drop. Keep in mind that these tests were performed at 40 inches per minute. At higher speeds, this effect is greatly exacerbated.

Blue force graph with gray grid and red circled left spike, labeled Force (lbs) vs Distance for fly fishing

Why Rigging Matters

When backing isn't wound with enough pressure, it's very easy for the line to "bite" into itself. This significantly decreases drag smoothness and performance. In fact, it has a larger effect than the quality of the reel itself.

Blue line graph on white grid showing force (lbs) vs distance with three red arrows marking dips around 5-6 lbs, labeled axes

Drag Clicks

Admet's testing machines were so accurate, that we could even see the effect of drag clicks. There's a slight change in drag strength as the clicking mechanism interacts with the spool

Blue jagged line graph of Force (lbs) vs Distance with gray gridlines and red arrow highlighting a ~2.5 lb peak

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Ben Freeman
Written by

Ben Freeman

Ben Freeman founded Trident Fly Fishing in 2012 to cut through the marketing fluff and provide anglers with the technical info they actually need. He’s built his reputation by putting gear to the ultimate test in the world’s most unforgiving fisheries. With fishing stamps from over 22 countries and 17+ states, Ben’s passport is a roadmap of bucket list angling—from landing a 25lb Golden Dorado in Bolivia and 150lb Arapaima in Guyana to sight-casting for Roosterfish off the beaches in Baja. Whether it’s battling 60+mph winds to land a 20lb Rainbow at Jurassic Lake or a full day of casting 8in streamers in Mongolia, Ben has spent decades ensuring his gear performs when a trip of a lifetime is on the line.

At Trident, Ben serves as the lead gear geek, specializing in the deep-dive mechanics of rods, reels, and lines. Over the past 15 years, he's reviewed 250+ fly rods and 150+ fly reels and is likely one of the most prolific rod reviewers in the world. But he doesn't just curate the catalog; he scrutinizes every taper and drag system through the lens of a traveling angler who knows what it's like to have gear fail a thousand miles from home. For Ben, the mission is simple: leverage his experience across nearly 100 species to ensure that when you head into the wild, you’re equipped with gear that has been vetted by someone who has actually been there.

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