DRDO hunts for re­tractable land­ing gear for UAVs


In an ef­fort to make its fu­ture un­manned aerial ve­hi­cles (UAVs) more stealthy, the De­fence Re­search and De­vel­op­ment Or­gan­i­sa­tion (DRDO) is look­ing for a de­vel­op­ment part­ner for a re­tractable land­ing gear that could be fit­ted on the Rus­tomH and stealth USAV.

Ac­cord­ing to DRDO, the main func­tion of the land­ing gear is safe take-off and land­ing of UAV un­der var­i­ous en­vi­ron­men­tal and op­er­a­tional sce­nar­ios with the sup­port of an ex­ter­nal pi­lot. A tri­cy­cle type re­tractable land­ing gear sys­tem with a steer­able nose wheel con­sists of ma­jor sub­sys­tems, viz., hy­dro­gas shock ab­sorber strut, hy­draulic ac­tu­a­tion sys­tem with sen­sors, wheel and brake and nose wheel steer­ing sys­tem and mechanical link­ages. In­ter­ested de­vel­op­ment part­ners need to have ex­per­tise and wide ex­pe­ri­ence in the area of high pre­ci­sion man­u­fac­tur­ing of sys­tems and com­po­nents for aero­space ap­pli­ca­tion and op­er­ate full-fledged man­u­fac­tur­ing fa­cil­i­ties from medium to high pre­ci­sion to cater for man­u­fac­ture of land­ing gear sys­tems and com­po­nents. In ad­di­tion to this, the firm must have ex­pe­ri­ence to carry out assem­bly and limited test­ing.

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