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DC-8 Leading-edge Slots?  
User currently offlineTimz From United States of America, joined Sep 1999, 7211 posts, RR: 7
Posted (10 years 7 months 3 weeks 14 hours ago) and read 6348 times:

As you all know, the DC-8 doesn't have slats or Kreuger flaps on the wing leading edge, unlike most jetliners. And maybe you remember one of the differences between the original DC-8-11 and the -12 was that the latter had slots-- inboard of each nacelle, says the Putnam, and it says they were uncovered by something sliding off them when the flaps were lowered.

Do DC-8s still have these? How long and wide are/were they? When did they disappear, if they did?

2 replies: All unread, jump to last
User currently offlineJetlagged From United Kingdom, joined Jan 2005, 2620 posts, RR: 25
Reply 1, posted (10 years 7 months 3 weeks 5 hours ago) and read 6302 times:

Check this thread on the subject:


The glass isn't half empty, or half full, it's twice as big as it needs to be.
User currently offlineBuzz From United States of America, joined Nov 1999, 697 posts, RR: 20
Reply 2, posted (10 years 7 months 3 weeks 2 hours ago) and read 6289 times:

Hi TimZ, Buzz here. I recall working on DC-8-71's and they have the slots, on the inboard side of the engine pylon.
Perhaps they aren't as effective and sexy as the Boeing version, but they would add a stable airflow on a couple places on each wing, to delay the stall. And the system weighs less than a full span set of drooped leading edges. The DC-8 wasn't made to be a short field airplane like the DC-9.
How long? The inboard ones were about 2 feet long and the outboard ones about 3 feet.

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