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Search: Posts Made By: casual observer
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Forum: Tech Log
12th Dec 2001, 06:44
Replies: 42
Views: 5,544
Posted By casual observer

Post If you are talking a 1.8M aircraft, I seriously...

If you are talking a 1.8M aircraft, I seriously doubt you can. Remember, we might have made many advances to make a supersonic jet much more efficient than the Concorde, but, at the same time, we...
Forum: Tech Log
11th Dec 2001, 09:39
Replies: 42
Views: 5,544
Posted By casual observer

Post Exile from Groggs: It is exactly my point...

Exile from Groggs:

It is exactly my point that you have less resistant in the air than on road surfaces, that's why we can make air travel affordable.

However, we are talking about different...
Forum: Tech Log
10th Dec 2001, 15:44
Replies: 42
Views: 5,544
Posted By casual observer

Post Captain Squelch: If I am not mistaken, the...

Captain Squelch:

If I am not mistaken, the graph you had previously doesn't include everything. If it does, why do you think the Concorde at 2.2M would burn so much fuel than the B707 at over...
Forum: Tech Log
10th Dec 2001, 01:35
Replies: 42
Views: 5,544
Posted By casual observer

Post When you compare air travel will automobile...

When you compare air travel will automobile travel, you are not comparing apples with apples. There are two flaws in your comparison:

1. What kind of friction force you have to overcome on roads...
Forum: Tech Log
9th Dec 2001, 10:57
Replies: 42
Views: 5,544
Posted By casual observer

Post You can't change the laws of physics. Energy is...

You can't change the laws of physics. Energy is proportional to velocity squared. Thus, to go to 1.8M, it will be a lot more expensive. Airframers might be able to build a 1.8M aircraft...
Forum: Tech Log
8th Dec 2001, 07:25
Replies: 42
Views: 5,544
Posted By casual observer

Post Boeing doesn't need a big jump in speed to make...

Boeing doesn't need a big jump in speed to make the Sonic Cruiser (or Supersonic Cruiser) to be successful.

Superfically, the 0.98M aircraft is really not much: 15% increase in speed over the...
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