Mastodawn

#Hydrogen #48V #OffGridLiving #MarineElectrification #SeaTractor #SailboatDIY #SustainableEngineering #OpenSource #FuelCell

What do you think — viable on a 26-31 ft heavy boat?

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Aequant 🜄 H2 Apr 12

Read the complete article here: https://www.linkedin.com/pulse/hydrogen-48v-why-im-building-sea-tractor-true-autonomy-alex-galan-dshte
Technical feedback from engineers and liveaboards is very welcome.
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Hydrogen & 48V: Why I’m Building a “Sea Tractor” for True Decentralized Autonomy

After years at CERN working on high-energy physics, I realized the most urgent physics problem today isn’t inside a particle accelerator — it’s the broken housing infrastructure and energy dependence around us. Inflation, the housing crisis and the fragility of classic yachts forced a complete strat

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Aequant 🜄 H2 Apr 12

🛠️ The system is designed for maximum flexibility — especially future refueling options as hydrogen tech improves. Full open-source documentation planned.
(3/5)

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Aequant 🜄 H2 Apr 12

Full 48V architecture breakdown:
• Hybrid battery ballast (LFP + Sodium-ion in keel) 🔋
• Fuel cell as range-extender
• 1.5 kW Solar Hardtop ☀️
• 10-15 kW electric propulsion ⚡

Realistic look at the challenges too.
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Aequant 🜄 H2 Apr 12

⛵ After realizing classic yachts can't handle serious 48V + H₂ systems, I switched to heavy-displacement hulls: Westerly Centaur, LM 27 & Colvic Watson. Why? They are the only ones that work as real "Sea Tractors".
📄 New technical article:
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Aequant 🜄 H2 Apr 6

3️⃣ COLVIC WATSON (26-31ft) The Heavy Lifter. Extreme displacement. This hull can carry 1 to 2 tons of Sodium-ion batteries as low-center ballast without losing its rough-weather stability.
Back the 48V R&D and read the manifesto: https://gofund.me/7657d7fd5 #OffGrid #Engineering

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Aequant 🜄 H2 Apr 6

2️⃣ LM 27 (Denmark) The Hybrid Lab. A robust double-ender motor-sailer. The high, flat roof over the wheelhouse is a ready-made platform for ~800W of solar panels. Crucially, it has massive interior volume to safely house heavy LFP battery banks. ⚡️🛠️

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Aequant 🜄 H2 Apr 6

1️⃣ WESTERLY CENTAUR (26ft) The Off-Grid Anchor. Twin bilge keels mean it stands upright on the sand during low tide—zero expensive crane lifts for maintenance. Its massive 3m beam is the perfect geometry for a rigid 1.5kW+ Solar Gazebo. ☀️🔋

Aequant 🜄 H2 Apr 6

⚠️ STRATEGY PIVOT: We are abandoning fragile "classic" yachts. You can't build a massive 48V/Hydrogen architecture on a weak foundation. We need a "Tractor of the Sea"—heavy, wide, and brutal.

Here are the 3 target hulls for Phase 1 of The Ark Project: 🧵👇

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Aequant 🜄 H2 Apr 6

⚡️ We build the 48V/Solar core first. Once autonomous, we integrate H2 fuel cells. My labor will fund the physical boat. I need the community to back the 48V R&D.
Read the open-source manifesto here: https://gofund.me/5ff0ac814 #OffGrid #Engineering #Hydrogen