very good
regards JR
----- Original Message -----
From: Ashford
To: 'Discussion of issues relating to Soaring in Australia.'
Sent: Sunday, June 15, 2008 8:37 AM
Subject: Re: [Aus-soaring] Forward slips?
I thought your specialty was the Freudian slip.
regards
John Ashford
07 3822 4264
0409679867
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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of JR
Sent: Saturday, 14 June 2008 10:36 AM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] Forward slips?
Olympia's are superb,.......at everything!!!!
----- Original Message -----
From: Mark Fisher
To: Discussion of issues relating to Soaring in Australia.
Sent: Saturday, June 14, 2008 8:33 AM
Subject: Re: [Aus-soaring] Forward slips?
K7 does the same thing with “Ruddder lock”
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From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of erich
wittstock
Sent: Friday, 13 June 2008 11:00 PM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] Forward slips?
- A K6 with the right attitude in a side-slip will have the rudder "sucked"
into the max position in the same manner like a DG-500. (Does this make the K6
a modern glider?)
- During my training this was demonstrated to me by my instructor.
- The suction effect ("rudder lock") can be prevented by keeping pressure
on both rudder pedals. (This was also demonstrated by my instructor)
- I performed a rudder lock and recovery as part of side-slip training.
- This was performed in safe altitude above 1000ft.
- I believe that spin training is performed in order to prevent spins.
- No surprises during side-slipping thereafter - I am prepared because I
am trained in the procedure.
- Side-slipping can still be utilised safely to reduce rope slack.
- Not all gliders can be treated the same: read the manufacturers manual
before flying the type (what does SH state in the POH about side slipping? I
reckon SH know about the decreased elevator effectiveness and let people know
about this)
On Fri, Jun 13, 2008 at 9:27 PM, John Parncutt <[EMAIL PROTECTED]> wrote:
The use of side slipping on approach with modern T tail gliders such as the
Janus for instance should be avoided. The disruption of airflow over the
elevator can result in reduced or no elevator authority. Another effect of
side slipping that can occur with some aircraft including the Janus is
rudder lock.
These are obviously not desirable effects on approach!
For this reason in our club we do not teach the use of side slipping on
approach with any of our aircraft.
Of course many older aircraft can be side slipped very effectively and
safely.
John Parncutt
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Robert Hart
Sent: Friday, 13 June 2008 3:03 PM
To: Discussion of issues relating to Soaring in Australia.
Subject: Re: [Aus-soaring] Forward slips?
Terry Neumann wrote:
> Sideslips were of course, a common, almost mandatory practise on
> approach with the early ES52's and especially with the ES57
> Kingfisher. They were lots of fun, but fell out of favour (and
> properly so) when gliders with serious airbrakes came along. I
> have been occasionally asked to demonstrate a sideslip in more recent
> check flights, a curious request given the excellent airbrakes in most
> gliders these days - especially in the AS-K21 in which the directive
> was uttered. ("You want me to do a what??! .... Oh.... OK, here we
> go .....(sigh)"). Personally I think they are best left alone in
> most - if not all - modern gliders, unless of course it's a B-767.
Hmmm
I would have to disagree about using sideslips being a thing of the
past. Admittedly, I trained in the UK in the '60s, where small paddocks
were pretty common (and on gliders that had ineffective spoilers let
alone ineffective airbrakes) and so sideslips were an integral part of
the training I received (and eventually was giving as an instructor).
Even in Alice, I still sideslip (although with her lack of rudder she
doesn't slip too well in a straight line) on occasion to keep in
practice in case I need it some time. With full landing flap, full
airbrake and the max straight line sideslip, Alice's rate of descent is
high and the angle of approach is really steep (think clearing obstacles
and maximising ground roll space in a short paddock). I know that if I
need it, the skill/knowledge/experience are there ready to be pulled
out. I last used a sideslip during a busy arrival at this year's Easter
comp so I could land short and quickly get off the runway, out of the
way of a stack of traffic behind me in the circuit.
I would also maintain that we should teach sideslips - one of these days
being able to do it safely could prevent a marginal outlanding from
becoming another outlanding accident.
As a general principle, I believe pretty strongly that, with the
exception of full aerobatics that scare quite a few people, if there's a
safe manoeuvre that your glider can do, you should know how to do it
safely - that way, if you need to do it, it's part of your skill set.
--
Robert Hart [EMAIL PROTECTED]
+61 (0)438 385 533 http://www.hart.wattle.id.au
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