Question - Ball and Turn Rate in a Spin

kontiki

kontiki

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Can anyone tell me what the turn coordinator (ball) and rate of turn indicator look like in a Spin? Thanks
 
kontiki said:
Can anyone tell me what the turn coordinator (ball) and rate of turn indicator look like in a Spin? Thanks
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Both pegged. Turn needle will be pegged in the direction of the spin. Ball will be pegged to the side of the plane the instrument is located. That's why you ignore the ball indication in a spin.
 
21541803 said:
Where is the ball during a developed spin?

FF to 6:00
http://www.youtube.com/watch?v=_J9N8nQV6Hk&feature=related
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LOL...I don't think that the shot of the needle/ball in the video is from an actual inflight spin...much less an inverted spin, as is being described in the video. Looks like a ground shot with a hand-manipulated instrument to me. And furthermore, the ball will not stay centered in a normal cage during negative G flight whether you're spinning (inverted) or not. That would be like trying to balance a marble on top of a bowling ball. There are airplanes with ball cages for negative G flight, but they are curved in the opposite direction, for obvious reasons. Ron is right.
 
I heard Kerschner talk once. He hung little plumb bobs all over his cockpit to find the actual axis of rotation.
 
RoscoeT said:
LOL...I don't think that the shot of the needle/ball in the video is from an actual inflight spin...much less an inverted spin, as is being described in the video. Looks like a ground shot with a hand-manipulated instrument to me. And furthermore, the ball will not stay centered in a normal cage during negative G flight whether you're spinning (inverted) or not. That would be like trying to balance a marble on top of a bowling ball. There are airplanes with ball cages for negative G flight, but they are curved in the opposite direction, for obvious reasons. Ron is right.
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These ones supports some of the talk:
http://navyflightmanuals.tpub.com/P-868/P-8680063.htm
http://navyflightmanuals.tpub.com/P-354/P-3540016.htm
 
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Go do some spins and answer your own question eh?

Just remember to step on the high wing when you want out ;)
 
If you're in a Decathlon, it looks something like this.

(No, this is not my pic. Don't know who sent this to me.)
 

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Very interesting that the ball, very near the center of the a/c is only slightly out....
 
The ball sloshes back and forth some.

Dan
 
kontiki said:
Can anyone tell me what the turn coordinator (ball) and rate of turn indicator look like in a Spin? Thanks
Click to expand...

Nope, never looked. :)

Ken Ibold said:
If you're in a Decathlon, it looks something like this.

(No, this is not my pic. Don't know who sent this to me.)
Click to expand...

Interesting...indicating 90. Spiral? I rarely look at the ASI during spins, but the ASI hovers around stall speed in the airplanes I've spun. I spun a Super D a few days ago, but was in the back, so couldn't see anything. :)
 
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