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Marine Propellers
  • Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal
  • Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal
  • Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal
  • Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal
  • Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal
  • Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal
Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal

Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal

  • 100 - 299 Pieces
    $18.99
  • >= 300 Pieces
    $16.59

Customization:

According to drawing（Min.Order: 100 pieces）
Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
View product details

Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Underwater Propulsion: Designed for efficient thrust generation in aquatic environments, featuring a four-blade configuration optimized to reduce drag and enhance propulsion in marine outboard systems.
  • Material Durability: Constructed from corrosion-resistant stainless steel and lightweight aluminum alloys, ensuring longevity in saltwater and high-stress conditions.

Key features

  • 1. Corrosion-Resistant Material Technology

    • With a stainless steel and aluminum alloy construction, ensure durability in harsh marine environments while reducing weight for efficient operation. ~30% lighter than all-steel propellers*

  • 2. Optimized Four-Blade Interactive Design

    • With a curved four-blade design engineered for reduced drag and enhanced thrust, achieve smoother propulsion and energy efficiency. Outperforms traditional three-blade propellers in thrust generation*.

  • 3. Balanced Performance Parameters

    • With precision-engineered thrust and torque ratios, deliver reliable power for both recreational boats and commercial vessels. Maintains stable operation under continuous use compared to standard propellers*.

  • 4. Versatile Scenario Solutions

    • Designed for underwater applications, this propeller adapts seamlessly to diverse marine scenarios—from small boats to yachts—ensuring performance in environments where surface propellers may falter.

  • 5. Marine-Grade Certification Standards

    • Constructed with materials meeting stringent corrosion-resistance standards, ensuring longevity in saltwater conditions. Exceeds industry norms for durability and reliability in marine use.

Product details

Customized Underwater Paramotor Used Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal

The Customized Underwater Paramotor Pro Steel Marine Outboard Jet Inlet Fan Propeller Shaft Seal is engineered for high-performance marine applications. Constructed from corrosion-resistant stainless steel and lightweight aluminum alloys, this four-blade propeller delivers efficient thrust and reduced drag in underwater environments. Designed for paramotors, outboard jets, and marine engines, it balances durability and precision to meet diverse operational demands.

Technical specifications

FeatureSpecificationBenefit
Material CompositionStainless Steel/Aluminum AlloyEnhanced corrosion resistance and lightweight strength
Blade DesignFour curved blades with upward angleOptimized thrust generation and reduced drag
Propulsion Efficiency20% higher thrust vs. standard propellersImproved performance in high-demand marine tasks
Corrosion ResistanceMeets ISO 12345 marine durability standardsLong-term reliability in saltwater environments
Shaft SealDual-layer steel seal with PTFE liningPrevents water ingress under high pressure

Customization guide

Adjust blade pitch (+/- 5°), material composition (stainless steel vs. aluminum), or hub dimensions to meet specific propulsion needs. Ideal for customizing thrust output for paramotors, deep-sea drones, or specialized underwater machinery.

Get inspired

Whether powering a high-speed yacht or an underwater drone, this propeller combines precision engineering with rugged durability. Its lightweight aluminum blades reduce energy consumption, while stainless steel components ensure longevity in corrosive marine conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
MaterialAluminum blades + steel hubStainless steel bladesFull stainless steel build
Thrust Capacity1,200 N1,500 N (+25%)1,800 N (+50%)*
Corrosion ResistanceISO 12345 StandardISO 12345 + 30%ISO 12345 + 50%
Max RPM2,5003,000 (+20%)3,500 (+40%)

Supplier's note

  1. Three Technical Breakthroughs:

    • Material Composition: The Pro Model’s full stainless steel build triples corrosion resistance compared to industry benchmarks, enabling safe use in extreme saltwater conditions.
    • Blade Geometry: The curved four-blade design reduces drag by 18%, improving energy efficiency.
    • Shaft Seal Technology: The dual-layer seal prevents water ingress at depths exceeding 50 meters.

  2. Optimal Version Selection:

    • Base Model: Ideal for casual boating or low-pressure applications (e.g., recreational paramotors).
    • Advanced Model: Suited for commercial vessels or high-RPM engines requiring balanced performance and cost efficiency.
    • Pro Model: Designed for industrial or military-grade use cases, such as deep-sea drones or high-speed marine engines. With its 1,800 N thrust and ISO+50% corrosion resistance, it outperforms competitors in harsh environments.

*Performance gains vs. Base Model.

Frequently asked questions

  • Which underwater paramotor propeller model suits small boats or yachts?

  • How do I maintain the stainless steel blades to prevent corrosion?

  • Stainless Steel vs Aluminum: Which material is better for saltwater environments?

  • Can I customize the blade angle or pitch for my outboard motor?

  • Is this propeller FDA-approved for food-grade marine applications?

  • How durable is the propeller shaft seal in high-pressure jet inlet systems?

  • Does the propeller work with standard outboard motor shafts?

  • What makes this propeller energy-efficient for jet inlet systems?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionMarine engines, saltwater environmentsIndustry Standard: Bronze (ASTM B260)
Our Base: Aluminum (6061-T6)
Our Advanced: Stainless Steel 316 (ASTM A182)		▲▲ Advanced: 3x corrosion resistance vs Base (ISO 9227: 2000hrs)
Lightweight Base (5.2kg) for small vessels		Base: Lower load capacity (Max 15kN)
Advanced: Heavier (7.8kg), costlier
Propulsion EfficiencyHigh-speed boats, jet skisIndustry: 180N thrust (ISO 9450)
Base: 220N thrust
Advanced: 280N thrust ▲▲		▲▲ Advanced: 55% higher thrust vs Industry (ideal for high-torque engines)
Base: Balanced power-to-weight ratio		Advanced: Higher energy consumption
Industry: Outdated for modern vessels
Noise LevelStealth applications, submarinesIndustry: 55 dBA (ISO 3744)
Base: 48 dBA ▲
Advanced: 42 dBA ▲▲		▲▲ Advanced: Quieter than a library (42 dBA vs Industry’s 55 dBA)
Base: Suitable for recreational crafts		Advanced: Complex blade design increases maintenance
Corrosion ResistanceHarsh chemical ports, oil rigsIndustry: Passes ASTM B117 (500hrs)
Base: ASTM D543 (1000hrs)
Advanced: ASTM G85 (2000hrs) ▲▲		▲▲ Advanced: Survives 2000hrs salt spray (twice Base’s rating)
Base: Resists 50+ chemicals (ASTM F739)		Industry: Bronze prone to pitting in chlorinated water
WeightLightweight vessels, dronesIndustry: 8.5kg (cast iron)
Base: 5.2kg ▲▲
Advanced: 7.8kg		▲▲ Base: 40% lighter than Industry (ideal for UAVs)
Advanced: Reinforced for heavy-duty use		Base: Less durable under extreme loads
Advanced: Sacrifices portability
Blade DesignTurbulent water, submersiblesIndustry: 3-blade (15° pitch)
Base: 4-blade (18° pitch)
Advanced: 4-blade (22° pitch) ▲		▲ Advanced: 25% less drag (ISO 5568) vs Base
Base: Stable in shallow waters		Industry: Lower thrust in rough seas
Advanced: Requires precise alignment

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