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#1
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But 30 degree flap deployment is not what I would use for spin recovery.
Sounds more like a spin following an approach to landing. Note that the report states that "the crankshaft flange that the propeller assembly was attached to, was separated from the engine" Perhaps the engine was running but not turning the prop. "Gary Drescher" wrote in message ... The preliminary NTSB report is online now. http://www.ntsb.gov/NTSB/brief.asp?e...26X00678&key=1 There appears to be no indication of engine failure, fuel exhaustion, fire, or control malfunction. The fuel controls (throttle idle and bent; mixture rich; both tanks selected) are consistent with spin recovery procedures. Weather was benign. The weights of the persons on board are not mentioned. --Gary |
#2
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....or that could be impact damage. 500 feet seems low, but that's what
the corridor allows. 30 degrees of flaps... I speculate that slow flight was being demonstrated. For some reason, the plane slowed past the stall point at an angle and entered a spin, then had insufficient altitude to recover. I'm no expert, but it seems like one plausible scenario that could fit the evidence. I wonder if... what if he was working to avoid busting into Class Bravo, and the maneuvering to do so resulted in an inadvertent loss of lift? |
#3
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"Ben Hallert" wrote in message
oups.com... I wonder if... what if he was working to avoid busting into Class Bravo, and the maneuvering to do so resulted in an inadvertent loss of lift? He was apparently circling at 500', but the Class B at Coney Island begins at 1500'. --Gary |
#4
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Sorry - Sounds to me like C172 with 4 adults + full fuel in slow flight with
too much bank angle = aggravated stall.... RjL "Gary Drescher" wrote in message ... "Ben Hallert" wrote in message oups.com... I wonder if... what if he was working to avoid busting into Class Bravo, and the maneuvering to do so resulted in an inadvertent loss of lift? He was apparently circling at 500', but the Class B at Coney Island begins at 1500'. --Gary |
#5
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"Ben Hallert" wrote in message
...or that could be impact damage. 500 feet seems low, but that's what the corridor allows. 30 degrees of flaps... I speculate that slow flight was being demonstrated. For some reason, the plane slowed past the stall point at an angle and entered a spin, then had insufficient altitude to recover. Maybe not slow flight. An instructor would, probably, not do this on a sightseeing tour and without sufficient recovery altitude. But, speculation on that aside, I often use a notch or two of flaps when doing a sightseeing tour. Gives a bit more nose down attitude. Maybe it was that. moo |
#6
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"Happy Dog" wrote in message ... "Ben Hallert" wrote in message ...or that could be impact damage. 500 feet seems low, but that's what the corridor allows. 30 degrees of flaps... I speculate that slow flight was being demonstrated. For some reason, the plane slowed past the stall point at an angle and entered a spin, then had insufficient altitude to recover. Maybe not slow flight. An instructor would, probably, not do this on a sightseeing tour and without sufficient recovery altitude. But, speculation on that aside, I often use a notch or two of flaps when doing a sightseeing tour. Gives a bit more nose down attitude. Maybe it was that. moo Yup 10° flaps for that sort of flying... |
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