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Death of the 13.5m class?



 
 
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  #1  
Old December 24th 17, 05:13 PM posted to rec.aviation.soaring
Dan Marotta
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Posts: 4,601
Default Death of the 13.5m class?

You mean using the engine or motor is /_not_/ scored as a land out?Â*
Seems pretty obvious to me.Â* Give the poor bloke a participation trophy
for the day and move on.Â* Oh, and fix such a dumb over sight.

On 12/23/2017 10:58 PM, Jeff Morgan wrote:
On Saturday, December 23, 2017 at 4:50:23 PM UTC-7, Andy Blackburn wrote:

Imagine a scoring system where you get 5 minutes added to your time on course for every minute you run your MOP. If you did a 4 knot climb under power for 15 minutes to get home it would cost you about an incremental hour, so you'd only be inclined to use it when the alternative is landing out.

Easy fix. Since the motor is to prevent the land-out score it this way:

Starting Motor = Land Out.

The benefit is avoiding the inconvenience of the land out. Back to the airport in time for BBQ and beer, hope for better the next day.


--
Dan, 5J


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  #2  
Old December 24th 17, 11:47 PM posted to rec.aviation.soaring
Eric Greenwell[_4_]
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Posts: 1,939
Default Death of the 13.5m class?

Jeff Morgan wrote on 12/23/2017 9:58 PM:
On Saturday, December 23, 2017 at 4:50:23 PM UTC-7, Andy Blackburn wrote:

Imagine a scoring system where you get 5 minutes added to your time on course for every minute you run your MOP. If you did a 4 knot climb under power for 15 minutes to get home it would cost you about an incremental hour, so you'd only be inclined to use it when the alternative is landing out.


Easy fix. Since the motor is to prevent the land-out score it this way:

Starting Motor = Land Out.

The benefit is avoiding the inconvenience of the land out. Back to the airport in time for BBQ and beer, hope for better the next day.


But you still have the situation where the motor changes the game in various ways.
One is the glider with a motor will do more poorly in weak weather with it's
higher wing loading; another is the pilot can push on during a poor day, knowing
he will achieve the best score he can, and still be able to return home easily -
no lengthy midnight retrieve to leave him too tired to fly the next day.

Longing for "Purity" in the sport is normal, but we don't share a common
definition of "pure": a dedicated 1-26 pilot might think it's a distinction
without a difference when you talk about an 18 meter glider with or without a
motor. For me, a long-time self-launcher owner, a class that uses hybrid scoring
sounds interesting, and I look forward to the experiment.

--
Eric Greenwell - Washington State, USA (change ".netto" to ".us" to email me)
- "A Guide to Self-Launching Sailplane Operation"
https://sites.google.com/site/motorg...ad-the-guide-1
- "Transponders in Sailplanes - Dec 2014a" also ADS-B, PCAS, Flarm

http://soaringsafety.org/prevention/...anes-2014A.pdf
 




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