On Tue, 06 Oct 2015 13:38:01 -0700, WB wrote:

I would not classify a 1000m field as particularly short.

Agreed. With a remotely placed winch, all you need is a launch and
landing area that's about 350-400m square.

In a southwesterly, pretty much our usual wind direction, we operate off
the 'diamond' in front of our club house. This is 390m on the SW axis and
300m across. We set up the launch point halfway along the southerly edge.
The winch is 1200m away at the far end of 22, a grass run 175m wide that
extends out of the diamond.

With this arrangement almost everybody, including many ab-initios, can
land in the first half of the 'diamond' and stop more or less in line
with the launch point, so a landed glider doesn't block the next winch
launch. In this wind the remainder of 22 is only used for aero-tows,
cable breaks and cable break training, though its available as a huge
safety margin if an ab-initio overshoots his first few landings.

Our Robins can easily launch the Puchacz or an ASK-21 from the diamond,
though this is normally only done for the first aero-tow of the day.


--
martin@ | Martin Gregorie
gregorie. | Essex, UK
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