A good write up on the Scud gliders here:
Scale Soaring UK - The Scud Sailplanes
At least one Scud 3 was still flying, minus engine, until quite recently at Dunstable.
This must be the Condor that Astir 8 mentioned:
Davis-Costin Condor - Wikipedia, the free encyclopedia
Mary, the bulb horn sounds like an excellent idea! I rather fancy one, otherwise a it will have to be a row of speakers along the front of the airbrakes, playing 'Ride of the Valkeries'