Propeller retrofitting involves upgrading existing propeller systems with advanced designs or materials to enhance performance and efficiency.

Propeller replacement refers to the complete removal and substitution of old propellers with new ones to improve thrust, fuel economy, or noise reduction.

Both processes aim to optimize vessel or aircraft propulsion while ensuring compatibility with existing engines and operational requirements.

Propeller Retrofitting and Replacement Key Specifications:

Size: Diameter ranges from 1m to 10m, depending on vessel type.

Grade: Marine-grade alloys (e.g., NiAl bronze, stainless steel).

Viscosity: N/A (applies to lubricants, not propeller material).

Buoyancy: Neutral to slightly negative (depends on material density).

Material: NiAl bronze, manganese bronze, stainless steel, or composite polymers.

Blade Count: 3 to 6 blades, optimized for efficiency.

Pitch: Adjustable or fixed, measured in degrees or mm/revolution.

Surface Finish: Polished to reduce drag and cavitation.

Corrosion Resistance: High (marine-grade coatings or cathodic protection).

Weight: Varies by size (e.g., 50kg to 2000kg).

Load Capacity: Designed for specific vessel thrust requirements.

Compliance: Meets ISO 484/1 or ABS/DNV standards.