Far more expensive fuel-per-unit-energy, /and/ higher cruise drag from
the much larger cross-section of the LH2 tanks? Yeah, I think we both
know how that analysis would turn out.
The GTF is a prime example of how the efficiency gains in conventional
airliners are incremental at this point. I think the real gains are to
be had (on longer routes at least) by going around all that atmosphere
rather than pushing through it. Now /that/ would be an interesting
trade study, and project to work on.
Henry
On 4/5/2020 7:17 PM, Michael Clive wrote:
The important question is: Would it be cheaper to operate an A380 sized vehicle for a 737 number of passengers, running hydrogen, than a 737 running JET-A?
I am sure that there are position papers, PDFs, analyses all over the place, and since that I have not heard of a significant investment in developing these technologies, I am sure the trade doesn't work out. But if it did, I would love to work on that program.
On Sun, Apr 5, 2020 at 7:03 PM Henry Vanderbilt <hvanderbilt@xxxxxxxxxxxxxx <mailto:hvanderbilt@xxxxxxxxxxxxxx>> wrote:
Oh, you could do it at the current A380 size. You'd just have to
convert most of the fuselage to LH2 storage. You'd give up most
of the current payload, of course. And (not having done the math)
possibly also a good bit of the current range. But the dimensions
/could/ be kept the same...
Henry
On 4/4/2020 7:45 PM, Anthony Cesaroni wrote:
That would be a very large airplane dwarfing it’s existing geometery.
Anthony J. Cesaroni
President/CEO
Cesaroni Technology/Cesaroni Aerospace
http://www.cesaronitech.com/
(941) 360-3100 x101 Sarasota
(905) 887-2370 x222 Toronto
*From:* arocket-bounce@xxxxxxxxxxxxx
<mailto:arocket-bounce@xxxxxxxxxxxxx>
<arocket-bounce@xxxxxxxxxxxxx>
<mailto:arocket-bounce@xxxxxxxxxxxxx> *On Behalf Of *Michael Clive
*Sent:* Saturday, April 4, 2020 10:42 PM
*To:* arocket@xxxxxxxxxxxxx <mailto:arocket@xxxxxxxxxxxxx>
*Subject:* [AR] Re: P&W GTF
You know Craig, I do find myself smiling and nodding, thinking
of how cool it would be to fly on a A380 with liquid hydrogen
powered turbines. I am actually looking forward to that day!
On Sat, Apr 4, 2020 at 5:51 PM Craig Fink <webegood@xxxxxxxxx
<mailto:webegood@xxxxxxxxx>> wrote:
Yeah, Seventy Years of optimization, a thing of beauty.
Built to Cruise...
But, more to come, When they go green and start feeding these
beasts with Liquid Hydrogen. Cryogenically Intercoolered
Stator Blades allowing for much higher compression, 9000 psi
Hydrogen "Rocket" Fuel Injectors and Afterburners capable of
flying from Takeoff to Mach 10 in under 10 minutes. On it's
way to Orbit, built for One purpose and One Purpose Only. To
Accelerate!!!
Of course, we'll see many subsonic versions along the way.
On Fri, Apr 3, 2020 at 6:25 PM Anthony Cesaroni
<anthony@xxxxxxxxxxx <mailto:anthony@xxxxxxxxxxx>> wrote:
So cool, so expensive. Almost anything turbo seems to fit
that description sadly. The link may wrap.
https://pwgtf.com/?utm_campaign=gtfnocomparison&utm_source=aviationweek&utm_medium=enews&utm_term=awthisweek_april3-10&utm_content=300x250
Anthony J. Cesaroni
President/CEO
Cesaroni Technology/Cesaroni Aerospace
http://www.cesaronitech.com/
(941) 360-3100 x101 Sarasota
(905) 887-2370 x222 Toronto
--
Craig Fink
WeBeGood@xxxxxxxxx <mailto:WeBeGood@xxxxxxxxx>
