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Waterworks Lamson Fly Fishing ReelsWaterworks-Lamson Radius™ 2007 Fly Fishing Reel


The Lamson Radius™ is a fully-machined fly reel that, for the first time, brings top quality and performance to the mid-$100 price range. Equipped with the Waterworks zero-maintenance conical drag, but with a smaller overall diameter and smaller arbor than Lamson's other reels, the Radius is able to bring the core technology and craftsmanship of Lamson's more expensive reels to the fly fisher on a budget. Made in the USA.  Warranted for Life

The new 2007 Radius incorporates the following improvements:

  • Smoother and quieter clicker mechanism

  • Elimination of plastic screw-plate on spool face

  • Larger window ports on frame

  • High-gloss black anodize finish

  • Clear coat, bright drag knob

  • Improved graphics

All Waterworks-Lamson Radius™ reels still feature:

  • Mid-arbor design for faster retrieves than standard arbor reels. Less line memory.

  • Extreme strength and light weight - fully machined from ultra-durable heat-treated 6020 aluminum alloy and stainless steel

  • Type II anodized in Black.

  • Patented zero-maintenance conical drag system that has low startup inertia, extreme sensitivity, and permanently sealed with dual o-rings.  The drag is machined from self-lubricated Delrin, Teflon, and lead impregnated brass.

  • Torrington zero-lash roller clutch system which acts like a transmission, ensuring instant drag engagement and no drag "spike" typical of traditional pawl-based systems

  • Open frame design and highly ventilated spool reduces overall weight and improves rod balance

  • Counter-balanced spool for reduced-vibration

  • Easily converted from right to left hand retrieve

  • Inexpensive quick-change spools

  • Click Here To see additional technical data on the Lamson Radius Fly Reels located at the bottom of the page


Waterworks-Lamson Reels Technical Details



Waterworks-Lamson Fly Reel Technical DetailsWaterworks-Lamson large arbor reels maximize the benefits of large arbor design by maximizing the arbor diameter-to-width ratio. The spool is large in circumference and wide, so that line is stored in a shallow layer. The increased circumference provides high retrieve rate and eliminates line coil memory. The wide, shallow line layer means there is little radius change as line is pulled form the reel. This results in constant drag torque during long runs and eliminates the risk of tippets breaking due to drag force gain.




The ULA, Litespeed, Velocity, and Radius drag consists of a pair of precisely matched conical elements which are drawn together with spring tension to produce variable rates of smooth rotational braking. By re-configuring the surface area of traditional disks into a pair of matching conical elements we were able to seal the drag completely from moisture, salt and grit. And since the mass of the drag elements is centralized, the spool's rotating mass is much lower which makes the reel more responsive to light drag settings. Because the average radius of the contact surface is much smaller (being conical rather than disk-shaped), start-up torque is too low to measure. US Patent #5,915,639; other patents pending.




Most premium reels rely on a pawl type clutch mechanism. These are often vulnerable to stress related failure, contamination and wear. The ULA, Litespeed, Velocity, and Radius employ a Torrington zero-lash roller clutch. This mechanism relies on the locking effect of a number of ramps and rollers to achieve torque transmission. There are no "teeth" or "steps" to break off or wear out. And the zero-lash feature means instant engagement. This improves feel and eliminates "spike" that the reel, line and leader experience when a typical pawl clutch hooks up.


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Revised: 04/28/07.