Re: NASA 'Scramjet' Soars at Almost 7,000 Mph

From: Brian Allardice (dba_at_extraneous.uniserve.com)
Date: 11/23/04 

Date: Tue, 23 Nov 2004 08:05:19 GMT

In article <JoqdnQHwU5h3Tz_cRVn-jg@adelphia.com>, brooksvmi@notyahoo.com
says...
>
>
>"Jack Linthicum" <jacklinthicum@earthlink.net> wrote in message

>> Name one of your myriad aircraft that actually operated at mach 2.7
>> plus in this time frame. SR-71 doesn't count as it was flying sieve
>> and not a prototype for a real airplane.
>
>LOL! It WAS an operational aircraft, as was the YF-12. I note that you chose
>only the highest figure you used--what happened to the M1.8 starting gate
>you established earlier? OK....care to guess what the maximum speed was for
>the F-106? M2.31. The F-104 was doing M2.2. The F-15 (McD-D won the design
>competition in 1969) is credited with M2.5+. The F-4 at M2.2+. And, of
>course, the XB-70 (which was resurrected for a while as a testebed for the
>SST program), which was hitting over M3.

Brooksie, old son, we are talking about a civil craft here. The three you
posit, Concorde, SR-71, XB-70 were all, how shall I put this, *failures*

As for planes going fast on unlimited budgets, we had the Arrow. The military
will pay for almost anything.....

Concorde was a beautiful plane but a failure

The YF-12-A was a failure - but hey, keep a few around as, well, a gift to the
contractors. It *was* a bloody sieve, and everybody knows it. No model for a
commercial SST. But call it an SR-71 and hey!

XB-70 was a failure.....

And why you should harp on about "glue" simply highlights your ignorance. You
think Rosie the Riveter builds these tings? The point is not that Boeing or
whoever could not design a supersonic plane, rather that they realised they
could not design, at the time, a commercially successful one. And quite right
they were.

Cheers,
dba

Relevant Pages

  • Re: NASA Scramjet Soars at Almost 7,000 Mph
    ... Concorde was a beautiful plane but a failure ... The YF-12-A was a failure - but hey, keep a few around as, well, a gift to the ... commercial SST. ... could not design, at the time, a commercially successful one. ...
    (sci.astro)
  • Re: Sticking brass to mild steel
    ... Composites abound in the new plane. ... Usually a new plane design ... The wings are pulled up until ... maximum stress where failure should occur. ...
    (uk.rec.models.engineering)
  • Re: for all those who believe in ASICs....
    ... Experienced team A works diligently, ending in a heroic failure ... defect managment is functional issolation by designing for 100% test ... suspect one of the most important parts of the process will be design ... Now, I don't know how much of Xilinx's yield is scrap today, or would ...
    (comp.arch.fpga)
  • Re: Bad cap topologies
    ... will they also exhibit similar failure modes -- just ... caps that handle the large ripple currents. ... As far as existing monitors, my recommendation is to replace all caps ... When I look at the cost, power consumption, clarity, and design of 4 ...
    (sci.electronics.repair)
  • BO: 9/11 enemies are still hiding in plain sight
    ... morning show on the radio with breaking news about a plane hitting the ... interconnectedness that stay with me. ... Sept. 11 was not a failure of intelligence or coordination. ... ability to see that America's enemies were hiding in plain sight. ...
    (alt.true-crime)