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Old July 16th 04, 06:48 PM
Basil Fairston
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The B and the C are the same except that the B has a slightly heavier wing =
to allow water ballast to be carried with the 16.6m tips on. The B and C =
differ from the A as follows.

Different aerofoil with blow holes.
Self connecting elevator
Instrument panel raises with the canopy
Revised undercarrage with suspension and a disk brake.
Max flap deplection is about equivalent to 1/2 landing flap in the A model.

For ADs try the Schleicher site or the US representative.

Ventus B wrote:

The only place I have found to research the differences between the
above ASW20 glider models is on the Sailplane Directory website. From
what I can tell the B model differs from the "A" by a slightly heavier
airframe, boundary layer control blowholes on the wing, a higher auw,
and different airfoil. And as far as I can tell the C model seems to
have the same airframe as the "A" except for a slightly modified
cockpit, whatever that means, and the same boundary layer control and
airfoil as the B. I also believe the B and C models have different
(less) positive flap settings than the "A". All are certified in the
experimental category.
Can anyone corroborate/elaborate? Also, where can I find
airworthiness directives/technical notes on the ASW20? They are not
available on the FAA website for this model glider.