DC-9 And 717

Sat May 20, 2000 8:20 am

Guys, to the eye the DC-9 and 717 look very similar. However, is there still any way to tell the difference between the two when looking at them from the outside? Thanks.
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RE: DC-9 And 717

Sat May 20, 2000 8:42 am

They do look very alike, but there are a few external marks that seperate them.
1.On the 717, MD-90 and MD-87, the tail extends for about a foot on top of the horizontal stablizer.On DC-9 and MD-80 it barely goes above.
2.The engines(BMWs) on the 717 are much wider than the JT8Ds on the DC-9.

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RE: DC-9 And 717

Sat May 20, 2000 10:30 am

look at the photos above, the BMW engines on the 717 don't have the little protrusions that the DC-9's JT8D's have. Also the 717 has the 'Beaver Tail', while the Dc-9's rear fuselage is rounded.
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RE: DC-9 And 717

Sat May 20, 2000 11:03 am

Thank you very much guys for your help.
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RE: DC-9 And 717

Mon May 22, 2000 10:15 pm

The Dc-9 has a cone shaped tail while the 717 has a chisel like tail.
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RE: DC-9 And 717

Tue May 23, 2000 12:00 am

Other than the tail differences, note the shape diffs between the JT8Ds and the BMWs. They're similar in shape to the MD-90s IAE engines--shorter and somewhat fatter in contrast to the longer slimmer nacelles of the JT8Ds
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