Small jet plane with steel post

Device made of non-impregnated mountain larch, steel uprights. Palisades white-peeled, with slanted end grain (wood protection measure), sawn timber heart-separated. Tongue and groove planks made of 4 cm solid wood, highly resilient, no trickling through. Cardan joint, hot-dip galvanised, consists of two sintered metal plain bearings, allows free swinging in all directions. Profiled disc for optimum pressure distribution and protection against water ingress. Back and forth movements with sintered metal plain bearings, self-lubricating. Hot-dip galvanised steel chains (V2A / V4A at extra cost) welded before galvanising, short-linked, without eyelets on the connecting parts, easy to replace and shorten.