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Search: Posts Made By: Old Smokey
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Forum: Tech Log
19th Jul 2004, 15:10
Replies: 38
Views: 28,115
Posted By Old Smokey

Capt.Topgun, Hawk37 and PMs, Attached as an...

Capt.Topgun, Hawk37 and PMs,

Attached as an addendum to my last post are 3 drag plots for a fairly high flying aircraft, about 5 to 8000 feet above 'other' commercial Jets, but the principals are...
Forum: Tech Log
17th Jul 2004, 00:34
Replies: 38
Views: 28,115
Posted By Old Smokey

Couldn't have put it better myself slice, thanks....

Couldn't have put it better myself slice, thanks. One day away from home on loooong trip, and will attach some drag curves with a new post.

A picture is worth a thousand words.
...
Forum: Tech Log
6th Jul 2004, 14:34
Replies: 38
Views: 28,115
Posted By Old Smokey

Topgun, Happy to provide the graphs you...

Topgun,

Happy to provide the graphs you refer to, I'm on a long flight just now and will post them on my return home.

Cheers,

Smokey
Forum: Tech Log
2nd Jul 2004, 05:06
Replies: 38
Views: 28,115
Posted By Old Smokey

capt.topgun / hawk37, Maximum Range Cruise...

capt.topgun / hawk37,

Maximum Range Cruise (MRC), Long Range Cruise (LRC, 99% Max Range), and Econ Cruise (Best Time/Fuel cost compromise) all occur above Mcrit, irrespective of the wing, be it...
Forum: Tech Log
28th Jun 2004, 11:17
Replies: 38
Views: 28,115
Posted By Old Smokey

May I submit that for the DC9-30 to DC9-50 series...

May I submit that for the DC9-30 to DC9-50 series of aircraft, Mcrit is M0.73, as indicated in the Airplane Performance Manual.

Drag rise between M0.73 and M0.76 is considered acceptable for...
Forum: Tech Log
21st Jun 2004, 17:23
Replies: 38
Views: 28,115
Posted By Old Smokey

Panama Jack, Hawk37 gave you a good reply,...

Panama Jack,

Hawk37 gave you a good reply, read it well. Hawk's reply could be seen, if you looked askance, as being for the more modern supercritical wings.

Jet aircraft have been routinely...
Showing results 1 to 6 of 6


 
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