About Aviation, but interesting stuff about hydrogen and biomass

[SteamyTea]

Well worth a listen to.

To use biomass for in and out UK flights would take 68% of farmland (I think is what they said).

 

https://www.bbc.co.uk/sounds/play/m002j755

 

 

[Iceverge]

Did a back of the fag packet calc a few years ago and reckoned biofuel for planes would use about 25% of the worlds useable agricultural land. 

 

 

[SteamyTea]

6 hours ago, Iceverge said:

Did a back of the fag packet calc a few years ago and reckoned biofuel for planes would use about 25% of the worlds useable agricultural land. 

 

 

Prof. Brian Cox did the same calculation, but got a different result.

At today's global energy usage, all the biomass on the planet would last 400 days.

Plants will convert about 0.25% of solar energy to biomass, PV will easily convert 10%.

 

[Mike]

Is anyone seriously suggesting that biofuels should power commercial aviation? Last I heard most research was going into synthetic fuels that would, in the future, be based on green hydrogen - though that's not going to be cheap.

[Iceverge]

 

16 hours ago, SteamyTea said:

Prof. Brian Cox did the same calculation, but got a different result.

At today's global energy usage, all the biomass on the planet would last 400 days.

Plants will convert about 0.25% of solar energy to biomass, PV will easily convert 10%.

 

 

 

It's hard to eat electricity though.