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#7
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Here's the deal with LS-3/4/6/7's. When the shock absorbing gear is
under duress (as in bouncing on a rough landing), as the rear member absorbs the up-down motion, the geometry of the gear is changing. Not much, but enough to make the retraction rod (and therefore the retract handle) start MOVING! This is an undesirable situation, because the gear can collapse ( I hate it when that happens). Rolleden Snyder, in their wisdom, delt with this by placing a gas strut in the retration rod going to the retract handle, so now the gas strut absorbes the slight motions and that allows the retract handle to stay snugly in its assigned down position. Problem solved and everything was fine until the gas struts started loosing their poop and we were right back to the gear collapsing, only now it could collapse on a very gentle landing. Ah ha, said RS, lets replace the gas strut with a solid bar because the fix is worse than the disease and we'll just hope that little handle stays where its supposed to be. One can check the condition of ones gas strut by pushing forward on the rear "H" member of ones landing gear as in, try to make it collapse. It should only move about a half inch and spring right back.................if not, one might be in for a rude surprise on the next takeoff or landing. Oh yeah, recommend this check only be performed with the fuselage jacked up on the trailer saddle. One other little tid-bit, make sure the fuselage is jacked up high enough to allow the gear to completely extend without touching the ground or ..................see above about gear collapsing on takeoff. Cheers, JJ |
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