Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch Review

Does the Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch Deliver?

When the old prop on my trusty 17-foot bass boat started showing its age – a bit too much vibration, a noticeable loss of top-end speed, and a general unease when bumping against submerged debris – I knew it was time for an upgrade. After poring over forums and consulting with fellow anglers, the Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch kept surfacing as a strong contender. The promise of Solas’s proprietary Rubex rubber interchangeable hub system, designed to absorb shock and reduce vibration, was particularly appealing. My initial impression upon unboxing this aluminum prop was positive; it felt solid, well-finished, and the blades possessed a promising heft. I’d briefly considered a generic aluminum replacement or a slightly more expensive stainless steel option, but the Rubex system’s touted benefits and the attractive price point of this Solas model sealed the deal. My first reaction was a genuine sense of anticipation, hoping this prop would restore the lost pep to my vessel.

Real-World Testing: Putting Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch to the Test

First Use Experience

My maiden voyage with the Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch was on a calm morning at Lake Pleasant. I tested it across a variety of conditions, from slow trolling speeds through weed beds to wide-open throttle runs across the main lake. The transition from idle to planing felt noticeably smoother than with my previous propeller. Even at full throttle, the engine noise seemed more refined, with a distinct reduction in the annoying harmonic resonance that had developed. I intentionally navigated through a few areas known for submerged logs and rocks, and while I didn’t intentionally hit anything hard, the prop felt more forgiving during those moments when I was unsure of what lay beneath the surface. Installation was straightforward, aided by the clear instructions included with the hub kit.

Extended Use & Reliability

Over the next three months, this prop became my go-to for everything from fishing tournaments to leisurely cruises. I put approximately 50 hours on it, encountering everything from chop and waves on windy days to shallow flats where prop strikes are a constant concern. The Rubex hub system proved its worth; after a couple of instances where I felt a slight impact from submerged objects, there was no jarring shock transmitted up the drivetrain, and more importantly, no audible chatter. The blades themselves have held up remarkably well, showing only minor scuffs on the leading edges, which is standard for aluminum props in this environment. Cleaning is as simple as rinsing it off with fresh water after each outing. Compared to my old prop, which felt rough and seemed to lose a bit of bite after a season, this Solas prop maintains its performance. It’s a significant step up from budget replacements and holds its own against more expensive options, especially considering the durability of the hub system.

Breaking Down the Features of Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch

Specifications

The Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch comes with several key specifications that contribute to its performance. It features a 15.5-inch diameter and an 11-inch pitch, which is a common configuration for mid-sized V-hull boats in the 17-20 foot range. The three-blade design is standard for good all-around performance, balancing acceleration and top-end speed. Its construction is aluminum, offering a good balance of strength and weight, and importantly, it features the proprietary Rubex rubber interchangeable hub system. This system is designed to protect the prop shaft and gearbox from shock impacts and to dampen engine vibration. The Right Hand (RH) rotation is specified, which is standard for most gasoline inboard and outboard engines.

These specifications translate directly to how the prop interacts with the water and your engine. The 15.5-inch diameter provides a good surface area for lifting the hull onto plane, while the 11-inch pitch is geared towards strong acceleration and decent mid-range torque. Compared to props with larger diameters or higher pitches, this configuration often offers a quicker hole shot, making it ideal for applications where frequent stopping and starting are necessary, like fishing. The aluminum construction keeps the cost down compared to stainless steel, making it more accessible for many boat owners. The Rubex hub is the standout feature here; its ability to deflect and absorb impact is crucial for anyone operating in waters with unpredictable underwater hazards.

Performance & Functionality

The primary job of any propeller is to efficiently transfer engine power into forward thrust, and this Solas model excels at that. Its strongest performance characteristic is undoubtedly its outstanding acceleration, which lived up to the product description. My boat got onto plane noticeably faster, requiring less time and throttle to achieve a stable, efficient cruising speed. Top-end speed also saw a modest but welcome improvement, adding about 2-3 mph to my usual maximum, which I attribute to the cleaner blade design and the reduced vibration allowing the engine to operate more freely. The unique rubber hub significantly reduces driveline shock; when I encountered minor underwater obstructions, the impact felt softened, and I didn’t experience the harsh jolt that often accompanies such events. Its weakness, inherent to all aluminum propellers, is its susceptibility to damage from severe impacts, though the Rubex hub does mitigate some of the transmission of force. Overall, this prop meets and often exceeds expectations for its intended use and price point, providing a tangible upgrade in performance.

Design & Ergonomics

The design of the Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch is functional and focused on performance. The blades are well-shaped, with a progressive pitch that contributes to its excellent acceleration characteristics. The squeeze cast process mentioned in the product details seems to result in a robust and uniform blade structure, giving it a feeling of quality. The finish is a standard aluminum gray, which is practical and shows minor wear gracefully. While not as aesthetically refined as a polished stainless steel prop, its appearance is clean and business-like. The Rubex hub, integrated seamlessly, is the defining ergonomic feature. It provides a slight cushioning effect during engagement, making shifting feel smoother and less abrupt than with rigid hub systems. There was no learning curve; installation was simple, and the performance improvements were immediately apparent.

Durability & Maintenance

In terms of durability, aluminum propellers, in general, are less robust than their stainless steel counterparts. However, the Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch has shown good resilience for an aluminum prop. After approximately 50 hours of use in varied conditions, the blades show only superficial scratches and no signs of bending or erosion. The Rubex hub appears to be very durable; it has maintained its elasticity and hasn’t shown any signs of deterioration. Maintenance is exceptionally simple: a rinse with fresh water after use prevents salt and debris buildup, and a quick visual inspection for any significant damage is all that’s required. There are no complex parts to clean or lubricate. The primary concern for durability remains any significant, direct impact with hard submerged objects that could chip or bend the aluminum blades, a risk inherent to this material class.

Accessories and Customization Options

The Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch comes with its integrated Rubex rubber interchangeable hub system. This system is designed to accept a variety of hub kits specific to different engine brands and splines, making it adaptable to a wide range of boats. Each Rubex Hub Kit is sold separately but includes all the necessary hardware for installation, such as washers, a prop nut, and a cotter pin. This interchangeability is a key advantage, allowing you to potentially use the same propeller on different boats or when upgrading your engine, provided you swap out the appropriate hub kit. There are no other significant customization options for the prop itself, beyond choosing the correct rotation and pitch for your specific application.

Pros and Cons of Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch

Who Should Buy Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch?

This propeller is an excellent choice for owners of small to medium-sized powerboats, particularly bass boats, bay boats, and runabouts in the 17-20 foot range, looking for a significant performance upgrade without breaking the bank. Anglers who frequently operate in waters with submerged hazards, such as logs, rocks, or shallow debris, will particularly benefit from the protective capabilities of the Rubex hub system. It’s ideal for those who prioritize quick acceleration and responsive handling, especially if their boating involves frequent stops and starts. Someone looking to replace an aging or damaged propeller with a noticeable improvement in overall performance and a smoother ride should strongly consider this model.

Those who should probably skip this product are individuals with very high-performance offshore boats that demand the absolute maximum top-end speed and durability offered by specialized stainless steel or even composite propellers. If your primary operational environment is consistently clear of any submerged obstructions and you are solely focused on achieving peak speed, a different material might be a better long-term investment. Additionally, very small, lightweight craft might find the 15.5-inch diameter to be overkill. A must-have accessory would be the correct Rubex Hub Kit for your specific engine and a propeller wrench for installation.

Conclusion on Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch

The Solas 9511-155-11 Rubex 3 Aluminum 3 Blade Prop Rh 15.5″ Dia. x 11in Pitch delivers a compelling package of performance and protection at a price point that is hard to ignore. Its standout feature, the Rubex rubber interchangeable hub system, provides genuine benefits in shock absorption and vibration dampening, making for a more comfortable and safer boating experience. Combined with its impressive acceleration and solid build quality thanks to the squeeze cast process, this propeller offers a tangible upgrade over standard aluminum props. While it may not replace a high-performance stainless steel option for extreme speed enthusiasts, for the average boat owner looking for improved performance and enhanced durability against minor impacts, it is an outstanding choice. The value proposition is very strong; you get premium features like the Rubex hub and enhanced blade strength at a mid-range price. I would personally recommend this propeller to anyone seeking a noticeable improvement in their boat’s responsiveness and a greater peace of mind on the water, especially in varied conditions.