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#15
December 19th 03, 02:12 PM
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Kevin Darling wrote:
It's not that far off -- I think (but am not certain) that a fully-loaded DC-9 has a best climb angle of around 650 ft/nm, while a small single-engine plane will manage something like 400-600 ft/nm at Vx depending on horsepower and load. Of course, the DC-9 has a much better climb *rate*, but that's not the concern here [...] I could be wrong, too, but I think even a loaded DC-9 can manage at least 1000-1500fpm... and might have to do so for noise abatement around the airport. You need to know the forward speed as well. At 120 kt, 1500 fpm would be 750 ft/nm; at 180 kt, it would be only 500 ft/nm (but I think that the DC-9 can do better than that). In either case, the climb angle is not that much greater than that of a light single. All the best, David 
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