Team HYDROGEN Chase Boat

[enigmatically2]

Why do you think hydrogen will supplant electric cars at all? I can see hydrogen being of use in other sectors (e.g. aircraft) but I think there will be so much invested in electric infrastructure than hydrogen would need a killer advantage to take over. Range could have been it, but electric cars are getting good enough range now (and I'm sure will get better). Difficult to see what else it could be

Even for a part of the car market it will need a big advantage to offset the advantages that electric infrastructure already has

 

[The_Alchemist]

Why do you think hydrogen will supplant electric cars at all? I can see hydrogen being of use in other sectors (e.g. aircraft) but I think there will be so much invested in electric infrastructure than hydrogen would need a killer advantage to take over. Range could have been it, but electric cars are getting good enough range now (and I'm sure will get better). Difficult to see what else it could be

Even for a part of the car market it will need a big advantage to offset the advantages that electric infrastructure already has

Hydrogen will be big for running equipment like forklifts, cranes, bobcats, backhoes, etc... It is easy to bring fueling capacity right to the job site, has very quick "refueling", no loss of power a low battery, etc...

Here in the US: Cars need at least twice the battery capacity in order to be useful for cross country trips. Right now you can find many people that do long range trips, but it takes a very different mindset and much more time. They are taking 80-120 mile hops at a time, charging for 15-30 minutes and then moving onto the next charging station. Most of the charging station have 20%-60% of the chargers out of service or charging at slow charge rates. A trip from the midwest to California takes 8-9 hours of just charging the car. Add to that the fact you are stopping every 100 miles, driving to the charging station, trying to find the one that works, etc... And many of the charges are not located next to restaurants/hotels or normal trip stopping points.

 

[dogwatch]

But owning your own car is a boomer preoccupation. Gen Z will be renting whatever car they need for a trip, if they can drive at all. Or so we are told.

 

[MrBump]

Meanwhile Switzerland is currently looking a EV ban to avoid blackouts, go figure

 

[Rennmaus]

Meanwhile Switzerland is currently looking a EV ban to avoid blackouts, go figure

SUI has plans in place that before an energy shortage leads to a blackout, EVs will not be allowed to charge nor drive (among other measures), except for necessary rides, which includes to and from work etc. It's not as dramatic as the headlines suggest.

 

[MrBump]

SUI has plans in place that before an energy shortage leads to a blackout, EVs will not be allowed to charge nor drive (among other measures), except for necessary rides, which includes to and from work etc. It's not as dramatic as the headlines suggest.

yeah totally there is an element of clickbait in the headlines, however the issue is that the reliance on a pure electric vehicle may not be best solution if electricity capacity cannot cope with increasing demands and accordingly there clearly is a place for continuing to develop hydrogen/electric technology.

 

[Monkey]

Why do you think hydrogen will supplant electric cars at all? I can see hydrogen being of use in other sectors (e.g. aircraft) but I think there will be so much invested in electric infrastructure than hydrogen would need a killer advantage to take over. Range could have been it, but electric cars are getting good enough range now (and I'm sure will get better). Difficult to see what else it could be

Even for a part of the car market it will need a big advantage to offset the advantages that electric infrastructure already has

I think where we’ll first see hydrogen wiggle it’s way into real world use is fleet vehicles where they can just refuel at home. Police cars would be a great example. My city has its own gas station where they go to fill up at the end of each shift. It’d be far simpler to put in one hydrogen station to cover the fleet, than expect regular gas stations to retrofit for a few wacky new cars. I’m all for all the new green ideas, just realistic that it’ll take a bit to integrate them.

 

[Kiwing]

Is Hydrogen suitable for jet aero planes?

 

[The_Alchemist]

yeah totally there is an element of clickbait in the headlines, however the issue is that the reliance on a pure electric vehicle may not be best solution if electricity capacity cannot cope with increasing demands and accordingly there clearly is a place for continuing to develop hydrogen/electric technology.

Obviously, the supply has to be coordinated with the expected demand.

 

[chesirecat]

Is Hydrogen suitable for jet aero planes?

Rolls Royce had just done a successful test. Fuel logistics could be more of a test

 

[167149]

Is Hydrogen suitable for jet aero planes?

could be a total asshole and tell you the Hindenburg was a raging success but I wonder if the way they'd have to contain and carry the fuel would be an issue

 

[Kiwing]

What is the energy density of hydrogen stored in truck tanks? compared to petrol?

 

[dogwatch]

Is an interesting question.

Hydrogen has a specific energy of 120 MJ/kg[3] that is 2.8 times higher than traditional jet fuel (43 MJ/kg), however, it has an energy density which is 3,000 times lower at normal atmospheric pressure and ambient temperature.[4][5] Gaseous hydrogen can be pressurised at up to 700 bars (70,000 kilopascals) to reach an energy density which is 7 times lower than jet fuel. Alternatively, it can be cooled at 20 K (−253 °C), turning into a liquid with an energy density 4.1 times lower than jet fuel (8.5 MJ/L compared to 35 MJ/L).

The low energy density of hydrogen poses challenges when designing an aircraft, where weight and volume are critical.[5] To reduce the size of the tanks liquid hydrogen must be used, requiring cryogenic fuel tanks.

Hydrogen-powered aircraft - Wikipedia

en.wikipedia.org

 

[Liquid]

Has any team ordered a TNZ hydrocat or are they going with an actual usable design like Artemis?

 

[lex1233]

im not sure on the life span of a fuel cell or the materials used but surly that is a area that would be better then batteries or at least easier to replace and recycle. It’s lighter weight which is a big advantage for trucks. Although it has its issues with storage. On land where space and weight isn’t a issue large tanks can be used to store the energy until required removing the strain from the grid. Quicker refuelling. Green hydrogen will play a big part in the future for other areas and could be a good solution to get green energy into country’s that don’t have the ability for renewables . Eg green hydrogen made in Australia using solar and shipped to Japan ( ammonia Maybe ). With this future green hydrogen should come to a competitive price. Still a while to go but will definitely be a part of future. The team New Zealand project is doing exactly what it’s purpose is. It’s getting people talking and thinking about a future with hydrogen.

 

[Kiwing]

Thank you @dogwatch. I'm not sure engines that burn hydrogen would produce as much thrust,
I guess in 25 years (i'll be 102!) we will know. Maybe some young genius will make a break through like the small electric jet engines they are making now.
Electric jet

 

[The_Alchemist]

What is the energy density of hydrogen stored in truck tanks? compared to petrol?

The energy in 2.2 pounds (1 kilogram) of hydrogen gas is about the same as the energy in 1 gallon (6.2 pounds, 2.8 kilograms) of gasoline. Because hydrogen has a low volumetric energy density, it is stored onboard a vehicle as a compressed gas to achieve the driving range of conventional vehicles.

Alternative Fuels Data Center: Hydrogen Basics

 

[barfy]

A boat that makes chase zero look fine.

Electric foiling tourist boat due on Auckland's Hauraki Gulf next spring

The 10-seat, zero-emission boat will offer high-end trips to Waiheke and other gulf islands.

www.stuff.co.nz

 

[The_Alchemist]

A boat that makes chase zero look fine.

Electric foiling tourist boat due on Auckland's Hauraki Gulf next spring

The 10-seat, zero-emission boat will offer high-end trips to Waiheke and other gulf islands.

www.stuff.co.nz

What the hell is wrong with the NZ designers:

Here is their competitor:

or this one:

 

[Terry Hollis]

Fly AirNZ and Airbus with hydrogen power ..

Green launchpad: Airbus and Air NZ partner for hydrogen-powered flight in Christchurch

World’s leading aircraft manufacturer and partners to develop green flight in New Zealand.

www.nzherald.co.nz