Carat (mass) g or possibly up to 5 g less. Therefore, the metric equivalent of 1 "siliqua" was approximately 189 mg. The Greeks had a similar unit of the same value. Gold fineness in carats comes from carats and grains of gold in a solidus of coin. The conversion rates 1 solidus = 24 carats, 1 carat = 4 grains still stand. Woolhouse's "Measures, Weights and Moneys of all Nations" gives gold fineness in carats of 4 grains, and silver in pounds of 12 troy ounces of 20 pennyweight each. Carat (mass) The carat (ct) (not to be confused with the karat,
AMS-Flight Carat with the main spar under the pilot's knees. The Carat has a conventional electrically-operated inwardly retractable undercarriage. The main wheels have hydraulically operated disc brakes and there is a parking brake. The non-retractable tailwheel is steerable. The Carat is powered by an air-cooled, four cylinder, Volkswagen derived, 40 kW (54 hp) Sauer S1800 piston engine. This drives the unique feature of the Carat, its folding two blade propeller: the blades fold forward like spears to minimize drag when the engine is off. This is in contrast to other motorgliders which mostly either store the propeller inside the fuselage, or merely