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Train lift between decks - latest update
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Rob, in your quest you've managed to arrive at and overcome all the hurdles that I did while building the train lift. You are right on the button with your thoughts on running guides, pulleys, chains and cogs. The scissor jack is definitely the way to go. <br /> <br />The problem you envisage with the motor stalling at each end of travel is one that I worried about until actually having the thing running. <br />As the Waldovia Train Lift is 8ft long, and the two sets of scissor arms are not fully at each end of the train lift, there is a certain amount of flexing in the center of the lift platform once it reaches top or bottom. To put it more simply, once the platform reaches the top for instance, and 'docks' , the motor can continue to pu***he platform further up flexing it slightly. It is this flexing that I intend to take advantage of by placing microswitches at that point that will cut out the motor allowing the motor to only operate in the opposite direction. <br /> <br />I realise that your platform wouldn't be so long but even 1 or 2 mm of flexing would permit the use of a microswitch to do the same in your case alolowing an ordinary drill motor with gearbox to be used. <br /> <br />I'm glad you found the Waldovia Train Lift article useful. <br />The Waldovia web site has now gone 'frames' so a better approach is to go to www.waldovia.co.uk and the Train Lift can be found in the Project section. It is also featured on Page 10 of the 2005 layout.
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