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Snap?

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Old 03-02-2003, 06:27 PM
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garydog
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Default Snap?

Everybody is always talking about planes snapping snap snapped etc. Is this when they flip back and to the side like a snap roll when you dont want them to?
Sorry for the silly Question.

Dan
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Old 03-02-2003, 07:27 PM
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Geoffbob
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Default Snap?

Yup! And it's not a silly question!
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Old 03-02-2003, 07:38 PM
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greenboot
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Default Snap?

Yup, a snap is the same as a snap roll. To do a snap, the wing must first be stalled. At that point, yaw and roll coupling will produce a stable spinning flightpath. An undesireable snap can occur when a plane enters a stall without warning.

The only requirements for a snap are a high angle of attack and an initial yaw. Speed, flight path, and power setting don't matter. That's why you can do climbing or diving snaps. You can also do them at any speed. Just pull back to get the high angle of attack and introduce a yaw. A spin is just a snap at low speed.

To avoid a snap don't pull the elevator all the way back.

Tom
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