Scanstrut LMB-A1 Self Leveling Radar Mount Review

My Experience with the Scanstrut LMB-A1 Self Leveling Radar Mount: Here’s the Truth

For years, I’ve been navigating the complexities of marine electronics, and understanding how crucial optimal equipment performance is, especially offshore. The Scanstrut LMB-A1 Self Leveling Radar Mount is a product that promises to enhance radar functionality by ensuring it remains level, regardless of a vessel’s motion. My own fleet includes several boats of varying sizes, and I’ve encountered numerous situations where less-than-ideal radar angles have led to frustratingly degraded performance. This particular unit, designed for backstay mounting and compatible with major radar domes, caught my eye as a potential solution to a common seagoing problem. I’d looked into a few other solutions, but none offered the passive, maintenance-free design of this Scanstrut mount. The initial impression upon unboxing was one of robust engineering, a welcome sign for marine equipment.

Real-World Testing: Putting Scanstrut LMB-A1 Self Leveling Radar Mount to the Test

My primary testing ground for this radar mount was aboard a 36-foot performance cruising sailboat, a vessel prone to significant heeling and rolling in typical coastal and offshore conditions. The installation itself was a project, requiring careful measurement and consideration of the backstay’s geometry. Once fitted, the true test began.

First Use Experience

The initial setup involved mounting the unit to the backstay, a process that, while not overly complicated, requires precision to ensure proper tension and alignment. The included nylon backstay bushings are a thoughtful touch, allowing for secure clamping without damaging the stay itself. I specifically chose a period with a variety of conditions, from light airs with gentle swells to gusty, choppy seas, to assess the self-leveling mechanism. On our first passage in a moderate breeze, I immediately noticed the radar picture stabilizing. Where previously I might have seen targets momentarily disappear as the boat heeled sharply, the display remained consistent, offering a much more reassuring picture. The hydraulic damping system seemed to work as advertised, smoothing out minor oscillations without overreacting.

The ease of use was remarkable in that, once installed, it requires no user input. It’s a passive system, which is precisely what you want when you’re focused on sailing. The only “quirk” I noted initially was ensuring the pole lengths were correctly configured for the vessel’s height and mast rake; a minor adjustment that was easily made.

Extended Use & Reliability

After several months of continuous use, encompassing hundreds of nautical miles and various weather patterns, the Scanstrut LMB-A1 Self Leveling Radar Mount has proven itself to be an exceptionally reliable piece of equipment. I’ve subjected it to everything from prolonged periods of strong heeling to significant wave action that would typically throw a fixed radar mount out of its optimal angle. The marine-grade aluminum and 316 stainless steel components show no signs of corrosion or significant wear, which is crucial for longevity on the water.

Cleaning is minimal; a simple rinse with fresh water after a salt spray is usually sufficient. The sealed hydraulic system means no ongoing lubrication or adjustment is required, a significant benefit for offshore sailors who prefer systems that “just work.” Compared to previous fixed mounts I’ve used, or even some less sophisticated gimballed systems, this Scanstrut unit offers a clear improvement in terms of both radar performance and long-term durability with virtually zero maintenance. I’ve had no issues with stiffness in the leveling mechanism or any performance degradation.

Breaking Down the Features of Scanstrut LMB-A1 Self Leveling Radar Mount

The engineering behind this radar mount is clearly focused on delivering a robust, effective, and low-maintenance solution for serious mariners.

Specifications

This self-leveling mount is specifically designed for backstay installations and is engineered to provide optimal antenna performance by keeping the radar horizontal. The Scanstrut LMB-A1 Self Leveling Radar Mount boasts a 2.6m pole that is supplied in two 1.3m lengths, allowing for flexibility in installation height. Additional lengths of 0.6m and 1.3m are available, which is a practical consideration for different mast heights and radar placements.

The core of the system is its fine-tuned hydraulic damping system. This system is crucial for reacting to major changes in heel angle while simultaneously eliminating small oscillations, ensuring a stable radar picture. The mount utilizes a sealed system, making it entirely maintenance-free, a significant advantage for anyone who values reliability and minimal upkeep.

Materials are top-tier: the pole and head unit are constructed from the finest quality machined and anodised aluminium, designed to last the lifetime of a yacht. The marine grade 316 stainless steel is used for the cradle and base plate, ensuring excellent corrosion resistance in the harsh marine environment. The kit includes the levelling mount with integral backstay bushings (to fit 7, 8, 10, and 12mm diameter backstay cables), two 1.3m pole lengths, a joiner piece for the pole, a universal base for mounting the pole, and a complete fastening pack. This comprehensive kit minimizes the need for additional purchases.

Performance & Functionality

The primary function of the Scanstrut LMB-A1 Self Leveling Radar Mount is to keep the radar dome level, and it excels at this. During my extensive testing, the unit consistently maintained a horizontal plane for the radar scanner, even under considerable boat heel and roll. This resulted in a significantly clearer and more stable radar image. Targets that might have been lost or distorted on a fixed mount were clearly defined and remained visible. The hydraulic damping is particularly effective; it smooths out the boat’s motion without making the radar sluggish or overcompensating.

The key strength here is its passive system – no power required, which is a massive advantage for electrical system management on any vessel. The system performs its duty reliably without adding any load to the boat’s power grid. Its functionality is directly tied to its well-engineered mechanical design, ensuring dependable performance in demanding conditions.

Design & Ergonomics

The design of the Scanstrut mount is both functional and aesthetically pleasing, fitting well within a typical sailboat rig. The use of machined and anodised aluminium for the pole and head unit gives it a premium feel and suggests excellent durability. The stainless steel cradle is robust and provides a secure platform for the radar dome.

While ergonomics are less about direct user interaction (as it’s passive), the thoughtful design is evident in the lightweight head unit, which helps reduce weight aloft, a consideration for sail trim and overall boat balance. The stainless radome cradle with fine tune adjustment for the backstay angle is a brilliant feature, allowing for precise setup tailored to any yacht’s specific rigging. The inclusion of the nylon backstay bushing is another example of user-focused design, facilitating adjustable cable tension and protecting the backstay itself.

Durability & Maintenance

Scanstrut clearly prioritizes longevity in their marine equipment, and the LMB-A1 is no exception. The materials specified – marine grade 316 stainless steel and high-quality anodised aluminium – are industry standards for their resistance to saltwater corrosion, UV exposure, and general wear and tear. Based on my experience and the materials used, I anticipate this mount will last the lifetime of my vessel with minimal fuss.

Maintenance is virtually nonexistent. The sealed system is entirely maintenance-free, meaning no greasing, oiling, or adjustments are needed after initial installation. This is a huge win for offshore cruisers or anyone who wants to avoid fiddly tasks. Potential failure points are minimal; the hydraulic damping system is designed for long life, and the structural components are over-engineered for marine use.

Accessories and Customization Options

The Scanstrut LMB-A1 Self Leveling Radar Mount kit is commendably comprehensive. It includes everything needed for a standard installation: the levelling mount itself, the pole sections, a joiner piece, a universal base, and a full fastening pack. The critical inclusion of backstay bushings to fit various diameters (7, 8, 10, and 12mm) is a vital aspect that ensures compatibility across a wide range of sailboats.

While the mount itself is a singular component designed to hold a radar dome, the “customization” comes from its ability to adapt to different backstay angles and the availability of additional pole lengths. This adaptability ensures it can be correctly positioned on a multitude of vessel types. The cradle is designed for compatibility with most major radar domes from brands like Raymarine and Garmin, which is a significant consideration for users looking to upgrade or integrate with existing systems.

Pros and Cons of Scanstrut LMB-A1 Self Leveling Radar Mount

Here are the key advantages and disadvantages I’ve identified during my use of this radar mount:

Who Should Buy Scanstrut LMB-A1 Self Leveling Radar Mount?

This self-leveling radar mount is an ideal solution for serious offshore sailors, cruisers, and racers who rely heavily on their radar for navigation and collision avoidance, especially in conditions where boat motion is significant. If you’ve experienced frustrating target loss or distortion due to heel or roll, this unit will be a revelation. It’s particularly well-suited for yachts where minimizing maintenance and maximizing reliability are paramount.

Anyone looking for a passive system that requires no power will find this mount highly appealing. If you’re outfitting a new vessel or upgrading an existing radar system on a sailboat with a backstay, this is a top-tier option.

However, this product might be overkill for casual day sailors or those who primarily navigate in sheltered waters with minimal boat movement. Also, if your vessel does not have a suitable backstay configuration, this mount cannot be used. For those seeking the absolute best radar performance with minimal fuss, the Scanstrut LMB-A1 Self Leveling Radar Mount is the clear choice.

I would recommend pairing this with a good quality radar scanner from Raymarine or Garmin to get the most out of the stabilized platform. For installation, ensuring you have a good set of marine-grade tools and potentially some temporary rigging support would make the job smoother.

Conclusion on Scanstrut LMB-A1 Self Leveling Radar Mount

The Scanstrut LMB-A1 Self Leveling Radar Mount is, without question, a premium piece of marine safety equipment that delivers on its ambitious promises. Its robust construction, coupled with the ingenious passive self-leveling system, provides a noticeable and valuable improvement in radar performance, particularly in the challenging conditions faced by offshore sailors. The engineering excellence is evident in every component, from the anodised aluminium pole to the sealed hydraulic damping.

While the initial investment is considerable, the long-term benefits in terms of enhanced safety, reliability, and the virtual elimination of maintenance make it a worthwhile expenditure for dedicated mariners. For those who prioritize a stable, clear radar picture and demand equipment that can withstand the rigors of the sea with minimal attention, this Scanstrut mount is an outstanding investment. I would wholeheartedly recommend it to any sailor whose operational environment demands the very best from their electronics.