After cleaning, season with salt and pepper and skewer the cavity of the birds shut.
Bank 20 glowing coals on each side of the grill and set a drip pan the center.
Set the grill 4 to 6 inches above the drip pan.
Lightly coat the grill with oil.
Set the ducks, breast side up, directly above the drip pan.
Cover and cook for 10 minutes.
Baste with melted butter; baste every 5 minutes until the ducks are cooked to the desired doneness.
Pour a little heated brandy over the ducks, then flambe.