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Yamaha has created a hydrogen V8 combustion engine for boats!
Big thanks to Yamaha for sponsoring this video!
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Yamaha brought the world’s first hydrogen combustion outboard motor to SEMA 2024! Yamaha is developing the hydrogen V8 engine, Roush has designed the fuel delivery system, and Regulator has adapted their 26’ hull to accommodate the unique powertrain. Three large hydrogen tanks store gaseous hydrogen at 700 bar (10,000 PSI), providing the fuel pressure for a 100 bar direct-injection system into the 5.6L V8 engine. I spoke with several of the engineers involved, so in this video we’ll deep dive into the project, covering the following questions:
1. What is hydrogen combustion?
2. How does Yamaha’s prototype boat work?
3. What kind of range can a hydrogen boat get?
4. What are the unique challenges for hydrogen boats?
Related Links:
Yamaha Outboards – https://yamahaoutboards.com/
Roush – https://www.roush.com/
Regulator – https://www.regulatormarine.com/
References:
Yamaha XF450XSA – https://yamahaoutboards.com/outboards/xto-offshore/v8-5-6l/xf450/pb_reg_26-xo_xf450xsa_09-01-2023_occ
Gasoline vs Hydrogen – https://youtu.be/l6ECwRnJ0Sg
Hydrogen Fuel Tank – https://s3.eu-central-1.amazonaws.com/hexagonpurus-website/Type-4-Mobility-Hexagon-Purus-Datasheet.pdf
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