Gyro & Humphree Active Ride Integration

Vessel Profile: 350 Everglades Sea Trial

Witness the engineering in action. In our sea trial of the 350 Everglades offshore yacht, we combined a high-efficiency gyroscopic stabilizer with Humphree Active Ride interceptors to prove that dual-stabilization achieves absolute motion damping.

Everglades 350 • Sea Trial Demonstration Duration: 4:18 (Active Ride Tracking)

The 350 Everglades Dual-System Trial

The Everglades 350 hull is designed for deep-water running, but under standard operation, tracking through quartering swells induces rapid rolling and dramatic listing. By integrating two distinct stabilization paradigms, we neutralized motion across all axes.

Roll Damping: Gyro stabilization dampens low-frequency roll velocity at rest and trolling speeds.
Pitch & Trim Correction: Humphree interceptors adjust the boat's running trim dynamically, keeping the bow pinned at the ideal entry angle.
Active List Control: Automatic list adjustments neutralize wind and passenger weight shifting within milliseconds.
Coordinated Turn Tracking: Interceptors extend automatically on inside turns to reduce centrifugal roll, ensuring a flat, comfortable bank.

SYG TradeSecret Integration

Combining gyro stabilizers and active interceptors is more than mounting two separate control boxes. Standard installations operate in isolation, leading to "system fighting," heavy voltage drop, and high roll-damping lag. Starboard Yacht Group developed a proprietary, trade-secret integration architecture to solve this.

Bidirectional Telemetry Sharing

Our integration bridges the NMEA 2000 network of the gyro and the Humphree control computer. Instead of the interceptors reacting *after* the boat list is detected, the interceptor blades deploy preemptively using the gyro's instant roll-torque angular velocity data, slashing motion response lag to under 15ms.

Dynamic Alternator Matching

Gyros draw massive current during startup and high wave surges. Our smart DC-to-DC alternator coupling system actively tracks engine RPM, matching power intake to alternator surplus. This prevents voltage sag on critical navigation systems without running a generator.

Sodium-Ion Silent Bus

We engineered a safe, lightweight, non-flammable Sodium-Ion (Na-Ion) battery buffer system specifically for stabilization cycles. This buffer handles the extreme high-surge discharge of the active ride blades and keeps the gyro spinning silently overnight at anchor.

Gyro Stabilizers vs. Humphree Interceptors: Side-by-Side

Two fundamentally different stabilization technologies. Gyro stabilizers use internal flywheel angular momentum to dampen roll. Humphree interceptors use active transom-mounted blades that deploy into the water stream to correct trim, pitch, and list. Each has strengths and limits. Starboard Yacht Group engineers the integration of both for absolute motion control.

Dimension	Gyro Stabilizer	Humphree Interceptor
Stabilization Mechanism	Internal flywheel angular momentum (no external appendages)	Active transom blades deploying into water flow
At-Anchor / Zero Speed	Full roll damping at rest and trolling speeds	No effect at rest (requires water flow over blades)
Underway Roll Damping	Excellent low-frequency roll reduction	Good roll reduction plus coordinated turn banking
Pitch & Trim Correction	No pitch or trim correction	Dynamic pitch and running-trim correction
List / Heel Control	No active list control	Automatic list adjustment (wind, passenger weight)
Turn Banking	No turn-bank control	Inside-turn blade extension for flat banking
Power Demand	High spin-up current (60A+); requires alternator/battery sizing	Low steady draw; surge on blade actuation only
Installation Footprint	Large internal unit (weight + structural foundation)	Compact transom-mounted; minimal internal footprint
Best Used For	Roll damping at anchor, trolling, and low-speed cruising	Trim, pitch, list, and turn control underway
SYG Integrated Outcome	Gyro handles at-anchor roll; interceptors handle underway pitch/trim/list/turn. SYG TS-01 telemetry bridge makes them cooperate in under 15ms instead of fighting.

Engineering takeaway. A gyro alone leaves pitch, trim, list, and turn uncorrected. Interceptors alone leave you rolling at anchor. The SYG integrated combo is the only architecture that delivers full-axis motion control across all operating states. This is the trade secret documented in our IP & Trade Secret History.

Stabilization Synergy: Gyro & Active Ride Control