Unthreaded
#Green #Ferrygate
Basically it's the PioneerFallacy when you say
" our country has to be a world leader at this"
then you find it's not that easy and make a lot of costly mistakes
While the rest of the world sits back and learns for free.
stewgreen
Net Zero by 2050, so how we done so far ?
https://www.bbc.co.uk/news/uk-scotland-51114275
Former Ferguson shipyard owner Jim McColl has told Holyrood's ferry inquiry it might be cheaper to scrap two problem-hit "green" ferries and build three simpler ships instead. And it's claimed ferry operator CalMac didn't want them in the first place. So why is the government-owned agency CMAL so keen on gas-powered ferries?
The two ferries being built in Port Glasgow have been making headlines for all the wrong reasons.
Glen Sannox and "hull 802" are the first UK-built ships capable of running off liquefied natural gas, or LNG, as well as conventional diesel.
But they are three years late, £100m over budget and have dragged Scotland's last commercial Clyde shipyard into administration, prompting nationalisation. And some have questioned just how "eco-friendly" they really are.
Was LNG the wrong choice - or a wise decision, poorly executed?
"The UK currently has no facilities to liquefy natural gas so LNG would have to be imported - probably from the Gulf state of Qatar."
WTF LNG terminals already exist in the UK
The article go on at length at any negatives about LNG
LNG supertanker have powered themselves from their own LNG tanks for years
It says making a LNG ferry adds infrastructure complications.
Well yeh the tank has to have a failsafe cooling system
but there have been LNG trucks buses for years.
It then goes on at length about how good hydrogen or battery ships would be.
As if that is dead easy..
FFS surely LNG container sized generators already exist
So all you need to do is make the ships propellers electric motors
Then you could have one of them and an additional diesel-electric generator
stewgreen
Perhaps the manufacturers of turbine blades should use the same material that Trabant car bodies were made of. Problem solved :-)
DaveS
Can't the turbines be recycled where its windy and the sun don't shine?
Martyn
gc 1:48pm
a turbine eco tepee then?
Feb 7, 2020 at 3:02 PM tomo
And combined waste disposal unit if it can fly off with St Greta.
golf charlie
gc 1:48pm
a turbine eco tepee then?
tomo
R4 8pm Any Questions? from Winchester University. (ha ha)
- Lord Deben,
- Professor John Denham ( from the Centre for English Identity and Politics at the University of Southampton
- Owen Jones Guardian columnist
- Olivia Utley Sun journalist
20:50 A Point of View : Will Self opinion piece
stewgreen
Are American wind turbine blades inferior? If they only last 25 years before needing replacement and disposal, they can't compare with a host of ancient examples in southern Spain (near Gibraltar) that look old enough to have powered a Green Arc.
AK
"... imagine the repurposed blades used as roof trusses..."
Feb 7, 2020 at 1:38 PM tomo
Arranged around a central circular ring beam, they could form the roof of a round building, and be painted by St Greta and her petals to look like a flower. The amount of hot air generated could cause the entire artificial construction to spin out of control and take off.
golf charlie
re those ferries.
£100,000,000 cost overun? - that's got to be incompetence on a grand scale or corruption - in this case imho probably both with a yuge portion of stupid on top.
CNG has been used for years at 200Bar - it requires up to three times the physical volume of tank compared to LPG, petrol or diesel. Caveats .... are short range and a special fueling station (compressors from the gas grid at 2 to 7 Bar (30 to 80 psi) - and few people are competent / can be bothered to maintain those compressors as seen in a number of municipal deployments over the years.....
LNG requires cryogenic storage at −160 °C and is roughly half as space efficient as LPG / petrol / diesel. The cryo storage is required on the boat / vehicle as well as at the fuelling station - lots of insulation, refrigeration plant and additional safety systems - a logistical and operational PITA outside a big terminal where scale of operations make sense....
I've never seen a LNG truck or bus.