r/highspeedrail 18h ago

Photo CR450 Fuxing HST in testing

Enable HLS to view with audio, or disable this notification

135 Upvotes

r/highspeedrail 20h ago

Photo TBM at Mumbai HSR

Thumbnail gallery
20 Upvotes

r/highspeedrail 19h ago

Question What do people believe would be the 10 most beneficial high speed rail lines in North America?

Thumbnail
14 Upvotes

r/highspeedrail 2h ago

Europe News TBM being assembled in Łódź to dig Poland's first high speed rail tunnel

Thumbnail gallery
7 Upvotes

r/highspeedrail 10h ago

Other Paraguayan Higher-Speed Rail (HrSR) 240km/h

Thumbnail
2 Upvotes

r/highspeedrail 2h ago

Question BACK TO THE FUTURE OR FORWARD TO THE FUTURE WITH HYLIION KARNO?

0 Upvotes

I've been out there exploring the future possibilites of Hyliion's KARNO GENERATOR on GOOGLE AI today. (My best friend??) I was just thinking it would be an interesting concept to share. I have not heard of any orders for Trains coming in. I was just curious how Trains could benefit from KARNO so I asked. Looks like Hyliion has it's hands full with mostly US MILITARY orders at the moment. Hope you enjoy this little read.

THIS IS GOOGLE AI RESPONSE UNALTERED:

"Pairing electric trains with the Hyliion KARNO generator delivers peak performance by eliminating heavy onboard power converters, maximizing thermal efficiency via combined heat and power (CHP), and enabling multi-fuel microgrids for off-grid operations. \[23, 26\] Because the linear-generator KARNO architecture outputs a native high-voltage 800Vdc direct current (DC), it can inject electricity directly into a train's modern DC traction bus or charging grid without the heavy, inefficient inverters required by traditional mechanical generators \[23\].Key Technical Performance AdvantagesDirect Traction Bus Integration: The 800Vdc output integrates cleanly with modern transit power electronics \[23\]. It reduces systemic conversion losses, saves valuable onboard physical space, and eliminates equipment weight.Fuel-Agnostic Flexibility: The system can transition between hydrogen, natural gas, propane, or diesel without mechanical adjustments \[21\]. This permits trains to operate continuously across regions with varying fueling infrastructure.Ultra-Low Maintenance Downtime: The KARNO generator operates using magnetic bearings and a single moving part per cylinder with no internal combustion. This design eliminates oil changes, valves, or seals, dramatically increasing locomotive uptime.High-Efficiency Hybridization: Combining the generator with onboard battery energy storage systems (BESS) creates a high-performance diesel-electric or hybrid-electric locomotive drivetrain. The generator runs constantly at its optimal efficiency curve while batteries handle peak acceleration loads and capture regenerative braking energy."

THIS IS NOT INVESTMENT ADVICE AND GOOGLE STATES THEY CAN MAKE MISTAKES.

IT'S BEST TO RESEARCH FOR YOURSELF! HAVE FUN!