BAYWING EF-150 EXPRESS Active Fly-by-Wire Electric Hydrofoil Platform
Aero-Marine Systems is building the software-defined future of Hong Kong and GBA maritime transit. By integrating aerospace-grade 100Hz flight control algorithms with Pearl River Delta carbon-composite supply chains, the BAYWING architecture completely decouples the hull from hydrodynamic drag—slashing energy requirements by 80% and making high-speed electric passenger and cargo routes commercially unstoppable.
Transforming Every HK Ferry & Island Cargo Route in 10 Years
Just as electric cars and commercial trucks transformed Hong Kong's roads over the past decade, BAYWING is engineered to electrify 100% of Hong Kong's waterways over the next ten years. Think of our platform as a EV on water: an unsinkable, modular carbon-aluminium "skateboard" hull packed with safe LFP marine batteries, lifted above the waves on computer-controlled hydrofoils, and recharged in 8–15 minutes via floating dockside battery buffers—carrying commuters by day and roll-on/roll-off (Ro-Ro) island freight by night.
Hydrofoils lift the hull out of the water, cutting drag by 80% and slashing energy cost from $22.50/NM to $4.90/NM.
Dockside BESS buffers trickle-charge off standard HKE LV street power and deliver megawatt DC top-ups while boarding.
Modular flat deck carries fast commuters by day and 4t–50t of silent zero-emission island freight pallets by night.
Active fly-by-wire sensors adjust submerged flaps 100x/sec—eliminating seasickness, harbour wake, and black smoke.
Validate 100Hz flight control in Tolo Harbour (D1), energize Sheung Wan Landing No. 1 HKE BESS charger, launch D2 on Water Taxi & Regional routes.
Electrify all 8 Victoria Harbour crossings with D3 (120-pax) and fast Outlying Island commuter routes (Discovery Bay, Lamma, Peng Chau, Ma Wan) with D4 (220-pax).
Deploy 400-pax D5 vessels on Central–Cheung Chau & Mui Wo trunk routes plus D5-Cargo Ro-Ro freighters for zero-emission island logistics.
Full 3.5 MW MCS robotic charging at Sheung Wan & SkyPier. EF-150 fleet replaces legacy diesel jets across Macau, Shenzhen, Zhuhai & Nansha.
One Core Tech Stack. Five Vessel Classes Fitting Every Route.
Like Tesla sharing battery packs, drive units, and autopilot software across Model 3, Model Y, and Semi, BAYWING scales the exact same 800V Marine LFP modules, rim/pod drives, and 100Hz FCS across all 23 Hong Kong ferry routes and 5 GBA corridors.
Fits regional coastal routes, Aberdeen–Lamma, DB–Peng Chau, Tsuen Wan–Ma Wan, Sai Wan Ho–Sam Ka Tsuen, and Victoria Harbour Water Taxi.
Double-ended wide-gangway shuttle purpose-built to replace smoky diesel ferries across Victoria Harbour crossings and the Inter-Islands loop.
High-speed commuter foil for Central to Discovery Bay, Lamma (Yung Shue Wan & Sok Kwu Wan), Peng Chau, Ma Wan, and Tuen Mun–Tai O.
High-capacity trunk liner for Central–Cheung Chau & Central–Mui Wo, plus Ro-Ro Cargo Semi variant for island trucks, pallets & freight.
38-knot active hydrofoil flagship replacing legacy 4,000-kW diesel waterjets across HK–Macau, Shenzhen, Zhuhai & SkyPier.
All 23 HK Ferry Routes + 5 GBA Corridors: Interactive Map & Spec Sheet
Central ⟷ Cheung Chau
Replaces both slow 55-min diesel triple-deckers and expensive 35-min fast ferries with a single 20-minute hydrofoil run. Off-peak D5-Cargo variant carries island supermarket pallets, construction materials, and municipal containers.
CLICK ANY ROUTE TO LOAD FULL ENGINEERING & FINANCIAL SPEC SHEET ABOVE (23 HK + 5 GBA ROUTES)
Showing 28 Routes| Route Name | Category | Dist (NM) | Baywing Vessel | Pax / Cargo Cap | EV Time (vs Diesel) | Charge Time | Annual Fuel Saved / Boat |
|---|
Digital Twin & Algorithmic De-Risking
Before committing significant capital to physical vessel fabrication, we prioritize a Software-First Development Strategy. By establishing a high-fidelity 6-DOF Digital Twin and HIL benchtop within HKSTP, we mathematically validate the core flight control algorithms first—eliminating physical crash and asset-loss risks during early-stage control loop tuning.
1. Model-in-the-Loop (MIL)
6-DOF hydrodynamic physics engine in Gazebo/MATLAB simulating hull wave-making resistance, T-foil lift/drag, cavitation limits, and surface-proximity decay.
2. Software-in-the-Loop (SIL)
Real-time C++/RTOS flight control algorithms tested against virtual Victoria Harbour & GBA wave states (JONSWAP models) to prove 100 Hz control stability.
3. Hardware-in-the-Loop (HIL)
Flashing validated software onto target Jetson/STM32 compute nodes connected to benchtop waterproof flap actuators ensuring sub-8ms deterministic latency.
BAYWING-D1 (1:8 Scale Autonomous Testbed)
Following mathematical proof in Phase 0, we move to physical validation. High-speed hydrofoiling is fundamentally an aerospace control problem. Because dynamic instability scales inversely with physical size, a sub-scale 3.56-meter vessel experiences higher natural oscillation frequencies than the full commercial crafts. Stabilizing the D1 in real-world harbor sea-states completely de-risks the physical flight control stack.
Autonomous Flight Controller
Dual deterministic microcontrollers running real-time RTOS. Ingests dual IMUs, high-speed ultrasonic ride-height sensors, and a forward-scanning micro-LiDAR for wave feedforward compensation.
- Compute: STM32H7 + Jetson Orin Nano
- Latency: < 8ms Actuator Response
- Telemetry: 4G/5G + LoRa Long Range
True Dynamic Similarity
Scaled strictly according to Froude number criteria (Fn = 1.17). Operating at 13.4 knots simulates the wave-making, cavitation boundaries, and flap dynamics of the full-scale vessel at 38 knots.
- Scale Factor: 1:8 Linear (λ = 8)
- Model Speed: 13.4 Knots (24.8 km/h)
- Model Mass: ~109 kg (Displacement)
Tolo Harbour Test Protocol
Tested directly offshore at Hong Kong Science Park (Pak Shek Kok waterfront / Tolo Harbour). Swappable 48V LFP batteries eliminate shore charging needs during R&D, slashing sea-trial costs.
- Test Location: HKSTP Tolo Harbour Slipway
- Battery: 1.0 kWh Swappable 48V LFP
- Runtime / Pack: ~45 Mins Foil-borne
BAYWING-D2 (25-Pax Commercial Pilot)
Jumping directly from a 3.5-meter drone to a 28.5-meter 150-pax ferry is un-fundable by early-stage VCs. The BAYWING-D2 is our commercial bridge: a 15m, 25–40 passenger vessel designed to validate human-rated intra-city Hong Kong transit, secure HKMD marine certifications, and generate recurring revenue. Critically, our Sheung Wan Landing No. 1 shore-power node (in active technical review with HK Electric's Distribution Planning Department for a 250–900 kW LV supply + BESS buffer) serves as the dual-purpose validation hub for both the D2's 500 kW fast charger and the EF-150's first BESS buffer module.
Manufacturing Specs
- Build Time: 14 Months
- Facility Required: PRD Composite Shipyard Partner
- Labor Required: ~12 Person Assembly Team
- Core Materials: Infused Carbon-Fiber & Marine Alum
- Shipyard Build: HK$ 18.5M (~US$ 2.37M)
- Testing & HKMD Certs: HK$ 1.5M (~US$ 192k)
- Total D2 Capital: HK$ 20.0M (~US$ 2.56M)
Bridging Sheung Wan to Intra-Harbour Piers
While the D1 de-risks our flight-control IP at near-zero OPEX in Tolo Harbour, the D2 targets short-haul intra-harbour & island routes (Central Piers 7–10, Wan Chai, Discovery Bay). By establishing our first 300–900 kW LV shore-power & BESS demarcation node at Sheung Wan Landing No. 1 (a public landing steps from the Central and Macau terminals), we validate both the D2's 500 kW fast-charging operations and the first modular BESS unit for the EF-150 Macau corridor.
The VC "Gap" Funding Hook
The D2 bridges the "Valley of Death." This staged capital architecture minimizes founder and early angel dilution by leveraging non-dilutive statutory capital across both prototyping and pilot phases. Pitching VCs to fund a HK$ 10M (~US$ 1.28M) Seed/Pre-A round directly triggers the government's ITF Enterprise Support Scheme (ESS) 1:1 matching grant, immediately doubling the capital to HK$ 20M (~US$ 2.56M) to fully fund the D2 construction, testing, and launch.
Defensible OPEX Advantages
Legacy fast ferries rely on multi-megawatt diesel gas turbines pushing heavy displacement hulls. High marine fuel costs and escalating engine overhaul expenses compress operating margins. Our Fly-by-Wire control system enables a thermodynamic shift.
Drag Reduction
Fully submerged T-foils lift the hull completely above the waves at 18+ knots, decoupling the vessel from hydrodynamic displacement drag.
Active FCS Loop
Triple-redundant Fly-by-Wire software reads IMUs and LiDAR, adjusting submerged flaps 100x/sec to neutralize Victoria Harbour wake pitch and roll.
Shore BESS Buffer
Floating/dockside BESS trickle-charges continuously off existing 300–900 kW LV municipal transformers, delivering 3.5 MW DC bursts without HV grid bottlenecks.
OPEX Savings
Direct electric pod drives yield ~$4.90 USD/NM energy costs, compared to ~$22.50 USD/NM for legacy marine gas oil turbines.
HK & GBA Fleet OPEX Feasibility Calculator
Simulate the financial viability of replacing legacy diesel vessels with the BAYWING platform. Data is calibrated for HKMD COLREGs speed restrictions and 50% LFP battery Depth-of-Discharge cycles.
Fleet OPEX Projection Model
Proposed Engineering Matrix (D1 → D2–D5 → EF-150)
Structural, shore-power, and regulatory parameters across the entire BAYWING architecture roadmap, from the D1 demonstrator through the D2–D5 Hong Kong fleet to the EF-150 GBA flagship.
PLATFORM ROADMAP & TRL PROGRESSION: D1 → D2–D5 → EF-150
| Engineering Parameter | D1 (1:8 Drone) | D2 (25–40 Pax Pilot) | D3 / D4 / D5 (HK Fleet) | EF-150 (GBA Flagship) |
|---|---|---|---|---|
| Tech Readiness & Timeline | TRL 4 → 6 (Mo 1–12) | TRL 6 → 8 (Mo 13–24) | TRL 8 → 9 (Years 3–6) | TRL 9 (Years 6–10) |
| Length Overall (LOA) / Span | 3.56 m / 1.22 m | 15.0 m / 4.50 m | 20m (D3) / 24m (D4) / 28m (D5) | 28.50 m / 9.80 m |
| Payload & Displacement | ~109 kg (Uncrewed) | ~12t (25–40 Pax / 4t) | 100–400 Pax OR 15–50t Cargo | ~56t (150 VIP Pax) |
| Cruise Speed & Froude (Fn) | 13.4 KT (Fn = 1.17) | 32.0 KT (Fn = 1.36) | 28 KT (D3) – 35 KT (D4/D5) | 38.0 KT (Fn = 1.17) |
| Installed Powertrain | 2x 1.0 kW Pods | 2x 150 kW Pods | 2x 250 kW – 2x 550 kW Pods | 2x 650 kW Redundant Pods |
| Battery Pack & Chemistry | 1.0 kWh 48V LFP | 400 kWh 800V LFP | 600 kWh / 900 kWh / 1.5 MWh | 1.2 MWh 800V Marine LFP |
| Shore Charging & HKE Node | Swappable (Tolo Harbour) | 500 kW DC via 300kW LV BESS (Sheung Wan No. 1) | 800 kW – 2.5 MW BESS (Central Piers, Wan Chai, Islands) | 3.5 MW MCS via 4.0 MWh BESS (Macau Terminal / SkyPier) |
93.5% Non-Dilutive Leverage & Staged VC Architecture
HKSTP grants alone cannot fund full-scale commercial vessels—and early-stage VCs will not fund unvalidated shipyard CapEx. Our staged capital stack uses 93.5% non-dilutive HKSTP/ITF grants for Phase 0–1 IP creation, then unlocks 1:1 ITF Enterprise Support Scheme (ESS) co-matching for Phase 2 (D2) VC syndicate investors.
Compliance-Audited R&D Budget Breakdown
R&D Engineering Talent (ITF RTH Subsidized)
2x Full-Time Control Systems & Marine Mechatronics Engineers (100% covered via ITF Research Talent Hub)
Simulation Software & Multi-Physics Cloud
MATLAB/Simulink Control Toolboxes, Star-CCM+ / ANSYS Fluent CFD licenses, Gazebo/ROS2 cloud compute
HIL Benchtop & D1 Avionics/Sub-Scale Rig
NVIDIA Jetson Orin Nano, dual STM32H7 ECUs, SBG marine IMU, ultrasonic/LiDAR sensors & carbon T-foil rig
Systems Architecture, Project Management & Operational Runway
HKSTP COMPLIANTPrincipal Systems Architect technical leadership, utility/marine regulatory interfacing (HKE/HKMD), and 18-month corporate operational runway
Intellectual Property & Freedom-to-Operate
PCT & regional patent filings for 100Hz wave-feedforward active foil stabilization & BESS dock telemetry (90% PAG subsidized)
HKSTP Lab Setup, Marine Insurance & Tolo Trials
Science Park bench space, third-party marine test insurance, and Tolo Harbour slipway sea-trial logistics
Net Unsubsidized Equity Gap: Only HK$ 208,000 (6.5% of Phase 0 Budget)
Public grants reimburse HK$ 2,990,000 of the HK$ 3,198,000 budget. Early angel/seed capital serves primarily as a low-risk Working-Capital Reimbursement Float Facility, protecting early investors from R&D burn while capturing 100% of core flight-control IP.
LEVERAGED PUBLIC CAPITAL STACK (PHASE 0–1)
Direct grant & operational subsidy covering lab rent, HIL hardware tooling, and R&D milestones.
100% government-funded salary reimbursement for 2 full-time Master/PhD control & mechatronics engineers.
Covers 90% of up to HK$ 278k in PCT and regional patent filings (10% net co-pay).
How Private VC & Strategic Capital Plugs In
Covers the HK$ 208k net gap + working-capital float ahead of HKSTP/ITF reimbursement cycles to launch Phase 0 SIL & Phase 1 D1 in Tolo Harbour.
1:1 matching via HK Innovation & Technology Fund (ESS) + Green Tech Fund to build the 25-pax BAYWING-D2 and energize the first 500 kW HKE BESS charger.
Co-investment with PRD composite shipyards, green shipping leasing funds, and ferry operators for D3–D5 & EF-150 fleet scaling across HK & GBA.
De-Risking Deep Tech Before Heavy CapEx
We systematically neutralize the three biggest failure modes in marine electrification: hydrodynamic control instability, utility grid bottlenecks, and shipyard balance-sheet bloat.
Sheung Wan Landing No. 1 Grid Interface Walkover Scheduled (Oct 2026)
HK Electric’s Distribution Planning Department has formally initiated technical feasibility review and scheduled a joint site walkover at Sheung Wan Landing No. 1 (adjacent to the HK–Macau Ferry Terminal) for our 250 kW – 900 kW continuous Low-Voltage (380V/415V AC) supply profile. Located at the junction of the Central and Macau ferry corridors, this public landing serves as a dual-purpose node: validating the 500 kW charger for our intra-harbour BAYWING-D2 pilot (extending to Central Piers 7–10 & Wan Chai Pier) while establishing the first modular floating BESS buffer for the 3.5 MW EF-150 Macau flagship—without triggering multi-year 11kV road excavations.
What Institutional Investors Love (The Bull Case)
STRUCTURAL MOAT & CAPITAL EFFICIENCY
1. 93.5% Non-Dilutive R&D Leverage
By executing a software-first Digital Twin (Phase 0) and sub-scale Froude demonstrator (Phase 1), HK$ 2.99M of our HK$ 3.20M initial budget is covered by HKSTP Incu-Tech, ITF RTH, and PAG grants. Investor equity isn't burned on raw aluminium.
2. Froude-Scaled Physics De-Risking (Fn = 1.17)
A 3.56m autonomous testbed (D1) has a higher natural pitch/heave frequency than a 28.5m vessel. Proving 100Hz active flap stabilization on the D1 in Tolo Harbour mathematically solves control stability before carrying a single passenger on the D2.
3. Undeniable Short-Haul Unit Economics (78% OPEX Cut)
Decoupling the hull cuts energy burn to ~$4.90 USD/NM vs ~$22.50 USD/NM for MGO diesel catamarans, delivering a ~3.1-year payback on EV CapEx premium and optimal 50% Depth-of-Discharge LFP battery longevity (4,000+ cycles).
What VCs & Assessors Scrutinize (Solved Mitigations)
EXECUTION, GRID & MANUFACTURING DE-RISKING
1. Key-Person & Lean Engineering Team Risk
Mitigation: ITF Research Talent Hub funds 2 full-time control/mechatronics engineers from Day 1, built on modular ROS2/AUTOSAR-compliant C++ architecture and standard COTS avionics (Jetson/STM32H7) to eliminate single-developer lock-in.
2. Dockside Grid Capacity & Pier Tenancy Lead Times
Mitigation (Active): Rather than waiting years for 11kV substations, our unidirectional floating BESS draws 250–900 kW continuous LV power from existing HKE transformers—already under joint site review with HK Electric at Sheung Wan Landing No. 1.
3. The Phase 3 "Shipyard CapEx Trap"
Mitigation: Aero-Marine Systems is an aerospace flight-control & powertrain OEM—not a capital-heavy shipyard. Hull layup is contracted to established Pearl River Delta (PRD) carbon-composite yards under DNV HSLC classification, while we retain high-margin FCS software, foil struts, and BESS charging IP.