Description

LR70 Fin Stabilizers – Stabilis Electra (CMC Marine) in California

California cruising isn’t just about speed—it’s about comfort in real sea states. Long-period Pacific swell, afternoon wind chop, and constant wake energy around harbors can make displacement and semi-displacement yachts roll when you want the boat to feel calm and settled. The LR70 Fin Stabilizers – Stabilis Electra (CMC Marine) are engineered specifically for displacement and semi-displacement yachts, delivering high platform stability with compact, powerful actuators and fin geometry optimized for these hull types.

The LR system combines strong mechanical construction with precise motion sensing. Using an inertial detector, it measures roll, pitch, and yaw to refine stabilization behavior and improve overall stability. It also supports broader onboard integration, with control capability for up to 8 systems, making it a strong fit for modern yacht setups common along the California coast.

Purpose-Built for Displacement & Semi-Displacement Yachts

Unlike fin systems optimized for planing yachts, the LR line is designed to perform in the operating profile of displacement and semi-displacement vessels—steady cruising, long passages, and roll-prone anchorages. LR70 features:

• Compact yet powerful actuators for strong stabilization authority
• Fin geometry designed specifically for displacement yachts
• Improved performance focused on smoother, more stable motion
• Support for fin sizing up to 7 m² (system capability)

High Stability Through Precision Motion Sensing

LR uses a precise inertial detector to track vessel dynamics in multiple axes:

• Roll (side-to-side motion)
• Pitch (bow-up/bow-down motion)
• Yaw (heading oscillation)

By measuring these inputs, the system can deliver refined stabilization control for a more stable platform—especially valuable in California’s mixed swell and wake environments.

Integration-Ready Control Architecture

Modern yachts often rely on multiple coordinated onboard systems. LR stabilizers are designed to integrate control for up to 8 systems, helping streamline operation and supporting more comprehensive stabilization and handling strategies onboard.

Engineering & Construction Details

LR70 is built with heavy-duty components designed for strength, corrosion resistance, and dependable sealing:

• Fin connection: Precision machined oversized self-locking taper
• Shaft: 90 mm duplex stainless steel
• Actuator housing: High-strength ductile iron
• Bearings: Heavy-duty tapered roller bearings (upper and lower)
• Lower seal: Two double-lip seals for maximum seawater protection, accessible in a 316 stainless steel retainer
• Upper seal: Double-lip, spring-loaded seal for grease retention and protection against external contaminants
• Lubrication: Pre-packed water-resistant grease for lifetime maintenance-free service; reduction gearbox lubricated with mineral oil
• Fit & finish: Painted RAL 9016 and polished

LR70 Specifications

*Power absorption values may vary by installation and operating conditions.

Why LR70 Makes Sense in California

For displacement and semi-displacement yachts cruising California waters, LR70 is designed to do what matters most—reduce roll and improve platform stability in the conditions that define the coast: swell at anchor, mixed seas on passage, and wake-heavy harbor environments. With displacement-optimized fin geometry, compact high-power actuators, multi-axis inertial sensing, and integration-ready control capability, LR70 helps keep your yacht steadier—so time onboard feels calmer, more comfortable, and easier to enjoy.