6 votes
Accepted

Why does the DHC-6 pitch down when the flaps are retracted, rather than up?

The Twin Otter isn't unique. Flaps have varying effects on different airplanes. Some pitch up with flaps extended, some pitch down. The pitching moment from flaps isn't just from the nose down ...
John K's user avatar
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3 votes
Accepted

Why does the DHC-6 have only one set of elevator cables?

The Twin Otter isn't certified in a category that requires duplicate control runs with split surfaces. It's more or less a single engine Otter with two PT-6s and a redesigned tail. Those ...
John K's user avatar
  • 131k

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