 A second example was flown in February 1933 by Focke-Wulf under the designation L 84C, using a modified cooling system.The Reichswehr initially ordered twelve L 84s but cancelled the order after only three had been completed.Of these, one was designated L 84E and was tested with the Rolls-Royce Kestrel IIIS engine; another, L 84F, was fitted with a fuel-injected version of the BMW VIu.