In the late 70s were 15M speeds faster than open class speeds? I think Malcom
Jinks and Tony Tabart would disagree!
Tom
________________________________
From: Mike Durrant <[email protected]>
To: Discussion of issues relating to Soaring in Australia.
<[email protected]>
Cc: Discussion of issues relating to Soaring inAustralia.
<[email protected]>
Sent: Thursday, 18 August 2011 8:53 PM
Subject: Re: [Aus-soaring] Handicaps
Give me the ASW20 any day :-)
Best Regards,
Mike Durrant
VH-FQF
On 18/08/2011, at 11:26 AM, "Ross McLean" <[email protected]> wrote:
Hi Robert
>I note that the Nimbus 2 has a handicap equivalent to an ASW20. The Nimbus 4DM
>has the same handicap as an ASG29.
>ROSS
>
>From:[email protected]
>[mailto:[email protected]] On Behalf Of Robert Hart
>Sent: Thursday, 18 August 2011 7:46 AM
>To: Discussion of issues relating to Soaring in Australia.
>Subject: Re: [Aus-soaring] Handicaps
>
>On 17/08/11 21:14, Michael Durrant wrote:
>Folk,
>
>Having now had the oppurtunity to fly a competitive Std class glider FQF (LS8)
>after many years campaigning GOD (19M Jantar) in the one class you could fly
>(Sports Class) with any hope of a competitive result, I would ask that if
>there is any review underway of Sports Class handicaps that based on empirical
>evidence alone, the older Open/19M class gliders handicaps in that class be
>reviewed.
>
>The low wing loading benefit on very weak days does not compensate for the
>loss incurred on the average competition day in Australia for these gliders
>given the way the polar drops off at normal cruising speed, especially given
>our current tasking approach which rarely, if ever, tests the book ends of the
>day when there might be some advantage for these gliders.
>
>Given LS8/18 (0.895 handicap) performance on both strong and weak days, the
>relative handicaps applied to the Jantar 19M (0.910), Nimbus 2 (.90) etc are a
>joke...........based on my personal experience.
>
>As a pilot of such a 30 year old open class glider, I would say that my
>experience of the handicapping across the board (ballasted and unballasted)
>for older gliders needs review.
>
>As I understand it, the handicaps are related almost exclusively to wing
>loading. Whilst this may well be a reasonable idea when the aerodynamics of
>the wings are very similar, this is not so when we are talking about
>intergenerational changes in aerodynamics.
>
>Even a passing perusal of the polars of recent gliders shows very significant
>performance gains of gliders from the 1980s, which have significant
>performance gains over the early glass ships such as the Nimbus 2.
>
>If the aim of handicapping is to try to create a more level playing field to
>allow the skill of the pilot to shine through, then this issue needs to be
>addressed.
>
>If that is not the aim of the handicapping system could someone please explain
>why we have a handicapping system at all?
>
>
>--
>Robert Hart [email protected]
>+61 (0)438 385 533 http://www.hart.wattle.id.au
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