Scanstrut SC20 Mast Mount Review

Let’s Talk About Scanstrut SC20 Mast Mount

The Scanstrut SC20 Mast Mount is Scanstrut’s answer to securely mounting your marine radar or satellite TV antenna on your yacht’s mast. This model is designed to accommodate popular units from Garmin, KVH, and Raymarine, offering a robust and elevated platform for optimal performance. What sets the Scanstrut SC20 Mast Mount apart is its reputation for reliability and durability, promising a stable and obstruction-free installation.

I needed a reliable mast mount to relocate my radar unit higher on my sailboat’s mast, improving its range and minimizing interference from the boat’s superstructure. I was specifically looking for a mount compatible with my Garmin GMR18 radar, known for its robust build and marine-grade materials. The Scanstrut SC20 Mast Mount appeared to be a well-engineered solution, promising a stable and durable platform for my radar unit.

Upon unboxing, the Scanstrut SC20 Mast Mount made a solid first impression. The aluminum construction felt incredibly sturdy, and the black finish gave it a professional, marine-ready look. The weight suggested a robust build, and the overall design seemed thoughtfully engineered for easy installation and long-term durability.

Compared to other mast mounts on the market, like those from Seaview and Edson, the Scanstrut SC20 Mast Mount stood out due to its specific compatibility with a wide range of radar and satellite TV units and its reputation for straightforward installation. I chose the Scanstrut over others due to its balance of compatibility, rugged construction, and positive user reviews emphasizing its ease of installation. I also considered Seaview’s modular mounts, but the Scanstrut’s simplicity appealed to me.

My initial excitement was high, bordering on relief; I’d finally found a solution that seemed both reliable and relatively easy to install. The quality of the materials and the overall design gave me confidence that this mount would provide a stable and long-lasting platform for my marine electronics.


Real-World Testing: Putting Scanstrut SC20 Mast Mount to the Test

First Use Experience

My first experience with the Scanstrut SC20 Mast Mount involved a full-day installation process at the marina, followed by a week-long coastal sailing trip. I installed the mount on my 40-foot sailboat’s mast, approximately 40 feet above the waterline. The installation, while not trivial, was manageable with basic tools and the included instructions.

I tested the mount’s performance in a variety of conditions, from calm seas and sunny skies to moderate winds and light rain. The mount remained stable and secure throughout the trip, exhibiting no noticeable vibrations or flexing. Even when sailing close-hauled in 20-knot winds, the radar unit remained firmly in place.

The ease of use was a pleasant surprise; once installed, there was virtually no need to adjust or maintain the mount. I did need to carefully plan the cable routing, but Scanstrut provides adequate space for running wires internally. The initial setup involved ensuring proper alignment, but after that, it was smooth sailing, literally and figuratively.

My only initial concern was the potential for galvanic corrosion between the aluminum mount and the stainless-steel mast. I addressed this by applying a generous layer of Tef-Gel anti-corrosion paste during installation. I have noticed no issues in the months since.

Extended Use & Reliability

After six months of regular use, including several longer offshore passages, the Scanstrut SC20 Mast Mount has proven to be exceptionally reliable. It continues to hold the radar unit securely, even in rough seas and high winds. There have been no signs of loosening or degradation.

The aluminum construction has shown no signs of corrosion or significant wear and tear, even after prolonged exposure to saltwater and UV radiation. The black finish has held up well, with only minor scratches from occasional contact with sails and rigging. The construction is truly superb.

Maintenance has been minimal; I simply rinse the mount with fresh water every few weeks to remove salt buildup. Periodic inspection of the mounting hardware is recommended, but I haven’t had to tighten or replace any components. The ease of maintaining this unit is terrific.

Compared to previous experiences with cheaper, less robust mounts, the Scanstrut SC20 Mast Mount has far exceeded my expectations. It provides a level of stability and durability that significantly improves the performance and reliability of my marine radar system. The initial investment was well worth it.

Breaking Down the Features of Scanstrut SC20 Mast Mount

Specifications

The Scanstrut SC20 Mast Mount is constructed from marine-grade aluminum with a durable black powder-coat finish. It is designed to accommodate 18″ radar domes and satellite TV antennas from various manufacturers, including Garmin GMR18/GMR18HD, Simrad DX45, Intellian i3, KVH TracVision M2/M3, Raymarine 37STV, and Sea Tel Coastal 14. The mount’s design raises the antenna above obstructions, improving signal range and clarity.

The black aluminum not only provides excellent corrosion resistance but also contributes to the mount’s strength and rigidity. The compatibility with various radar and satellite TV units ensures versatility and allows for easy upgrades or replacements. The elevated position of the antenna minimizes interference from the boat’s superstructure and other onboard electronics.

Performance & Functionality

The Scanstrut SC20 Mast Mount performs its job exceptionally well, providing a stable and secure platform for marine electronics. It significantly improves radar range and clarity by raising the antenna above obstructions. Its robust construction ensures long-term reliability and minimizes vibrations, contributing to optimal radar performance.

Its strengths lie in its solid construction, ease of installation, and compatibility with a wide range of devices. The only potential weakness is the risk of galvanic corrosion, which can be mitigated with proper installation and the use of anti-corrosion compounds.

It not only meets my expectations but also exceeds them; the improved radar performance and peace of mind knowing that my equipment is securely mounted are invaluable. This mount is a must for any serious mariner.

Design & Ergonomics

The Scanstrut SC20 Mast Mount features a clean, functional design that blends seamlessly with the aesthetics of most sailboats. The black powder-coat finish provides excellent corrosion resistance and a professional look. The mount’s weight is substantial, reflecting its robust construction, but it’s not excessively heavy.

The mount is relatively user-friendly, with clear instructions and well-designed components. While professional installation is recommended, experienced DIYers can successfully install it with basic tools. Some cable routing planning will be needed, but sufficient internal space is allowed.

Durability & Maintenance

The Scanstrut SC20 Mast Mount is built to last, with its marine-grade aluminum construction and durable finish. With proper care and maintenance, it should provide years of reliable service.

Maintenance is straightforward, requiring only occasional rinsing with fresh water to remove salt buildup and periodic inspection of the mounting hardware. Any potential corrosion issues can be addressed with regular application of anti-corrosion compounds.

Accessories and Customization Options

The Scanstrut SC20 Mast Mount comes with all the necessary hardware for standard installation, including mounting bolts and brackets. While there are no specific customization options offered by Scanstrut for this model, it is compatible with various cable glands and wiring accessories for securing and protecting electrical connections.

It is also possible to adapt the mount for use with different antenna sizes or configurations using custom-fabricated brackets or adapters. I actually considered adding a small platform below the radar for an additional GPS antenna, however, that would have involved custom work. The mount is easily adaptable.

Pros and Cons of Scanstrut SC20 Mast Mount

Pros

  • Exceptional stability and security for marine electronics.
  • Durable aluminum construction for long-term reliability.
  • Improved radar range and clarity by raising the antenna.
  • Wide compatibility with various radar and satellite TV units.
  • Relatively easy installation with clear instructions.

Cons

  • Potential for galvanic corrosion if not properly installed.
  • Price is higher than some alternative mounts.


Who Should Buy Scanstrut SC20 Mast Mount?

The Scanstrut SC20 Mast Mount is perfect for serious sailors and boat owners who demand a reliable and durable platform for their marine radar or satellite TV antenna. It is ideal for those who want to improve radar range and clarity and minimize interference from onboard obstructions. This unit is a must for offshore cruisers and serious mariners!

Those on a tight budget or who only occasionally use their marine electronics might consider a less expensive alternative. It may not be a good fit for someone who doesn’t need this level of quality or durability.

A must-have accessory is a high-quality anti-corrosion compound like Tef-Gel to prevent galvanic corrosion between the aluminum mount and the stainless-steel mast. Additionally, consider using marine-grade cable glands to seal and protect electrical connections.

Conclusion on Scanstrut SC20 Mast Mount

The Scanstrut SC20 Mast Mount is a top-tier solution for mounting marine radar and satellite TV antennas on yachts. Its robust construction, wide compatibility, and improved radar performance make it an excellent investment for serious boaters. The Scanstrut SC20 Mast Mount is the ultimate solution for the avid mariner.

The price is justified by the mount’s exceptional quality, durability, and the peace of mind it provides knowing that your valuable electronics are securely mounted. It is worth every penny.

I wholeheartedly recommend the Scanstrut SC20 Mast Mount to anyone looking for a reliable and high-performing mast mount for their marine electronics. If you value quality, durability, and improved radar performance, this is the mount for you. Don’t compromise on safety and performance; invest in the Scanstrut SC20 Mast Mount and enjoy worry-free sailing.

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