Drogue lamp with camouflage pattern 3D model

****The drogue is the part of the aerial refuelling system which stabilizes the hose in flight and provides a funnel to aid insertion of the receiver aircraft probe into the hose.

A drogue (also known as a storm drogue) is a device trailed behind a boat on a long line attached to the stern. A drogue is used to slow the boat down in a storm and to prevent the hull from becoming side-on to the waves. A boat that has deployed a drogue should not overspeed down the slope of a wave and crash into the next one, nor will the vessel broach. By slowing the vessel the drogue makes the vessel easier to control in heavy weather and will help to prevent pitchpoling.

A drogue works by providing substantial resistance when dragged through the water. An alternative device is the drogue parachute, a much larger item than a drogue, which is streamed from the bows. The advantage of the drogue parachute is that the bows of a yacht are invariably finer than the stern, thereby giving a safer and more comfortable experience in a storm. Both drogues and parachute drogues will have tripping lines to aid recovery of the drogue after deployment.*Abstract*Probe and drogue refuelling was invented by Sir Alan Cobham in 1950 and has undergone and continues to undergo development since that date. This chapter describes modern state of the art and provides references for those interested in the history of the subject. The various types of tanker are described and reference is made to the overall configuration of their refuelling systems. The installation of pod and fuselage refuelling systems is discussed and the operation of modern systems and their sub‐systems is discussed in some detail. The key aspects of any system are the hose drum drive control and fuel systems, performance requirements and salient operational and safety issues are discussed. References are provided to the most important aircraft and equipment specifications and operational procedures. Tanker operational envelopes and refuelling speeds are dictated by receiver requirements and the tanker configurations for helicopter, tilt rotor and fast jet refuelling are all described along with the structural adaptations and drogue configurations relevant to each. The chapter concludes with a brief look at future technologies and the long‐term outlook for the aerial refuelling tanker.