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Old August 29th 12, 12:18 PM posted to rec.aviation.soaring
Peter Higgs
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Posts: 47
Default Another stall spin

Hi All, I think two things have not been mentioned about your practice
spins...

We have all tried spinning from S+L flight, even by quickly raising the
nose and maybe kicking in a bit of rudder, but have you tried replicating
the circumstances of the crash...
i.e. Entering a 45deg angle of bank orbit, reducing the speed, then
kicking in a boot-full of pro rudder. This is soooo much different to
the S+L entry.

The second point I would like to make is that several posts refer to flying
at the (IAS.) stall speed. This again is going to be different with the
wings at a banked angle... typically add 7 knotts at 45 deg and 16 knotts
at 60 deg AOB. (to take account of the increased G loading.) and make sure
it is your inner wing tip is doing that speed.

Pete

At 00:41 29 August 2012, BobW wrote:
On 8/28/2012 5:25 PM, jfitch wrote:
On Tuesday, August 28, 2012 2:13:48 PM UTC-7,
wrote:
On Tuesday, August 28, 2012 10:16:31 AM UTC-7, kirk.stant wrote:



Bob, I'm not quite sure what your point is. In fact, you seem at

first
to suggest that practicing unusual attitude recoveries is a bad

thing!



I agree with Kirk. Just because practicing spin entry/recovery at
altitude isn't identical to spin entry/recovery at 300' doesn't mean

that
practice at altitude isn't worthwhile - and it's definitely a lot

easier
on the nerves than practicing at 300'. There are other things we can

do
to try to become aware of the different atmospheric, geometric and
mindset issues down low and under pressure, but the basic airmanship

of
knowing how your glider spins/recovers is a universal good in my
estimation.