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 Building / 11847
    Re: Drawbridge help needed! —Ross Crawford
   (...) You can get LEGO weight elements (9936) from Pitsco. Very handy. Also, the counterweight doesn't have to go below the bridge - you can use cables with a pulley system, or something like this bridge at Constitution dock (URL) I wish I had a (...) (23 years ago, 28-Mar-02, to lugnet.build)
   
        Re: Drawbridge help needed! —Adrian Egli
     (...) LEGO weights are great but can cost some bucks, $4.95 a pair (2K2 catalog) and that excludes shipping. (Save the money for Technic beams) Low cost alternative, and I've heard the train guys mention this, roll of pennies. Just make a container (...) (23 years ago, 28-Mar-02, to lugnet.build)
   
        Re: Drawbridge help needed! —Pedro Silva
   (...) I thought of using old "D-size" batteries; I used 4 of them, but they were not even close to enough. I'm thinking of placing them higher, and maybe "covering" the track with them - but, like I said earlier, space may become a problem. My dad (...) (23 years ago, 28-Mar-02, to lugnet.build)
   
        Re: Drawbridge help needed! —Ross Crawford
   (...) From the side it looks a bit like this: +---+ | | | | <- counterweight | | +---+---+ <- hinge | | \ | \ | ---...--- <- bridge deck The sloped bit on the left is actually 1/4 circle, with teeth (curved rack), which is used to move the bridge. (...) (23 years ago, 29-Mar-02, to lugnet.build)
   
        Re: Drawbridge help needed! —Pedro Silva
   (...) (You are so right, ASCII art is difficult to see in Lugnet with IE5!) I think I got the idea. Curiously, I'm designing a garage door that resembles this, but in a different position... :-) There is a problem with this design, though: how will (...) (23 years ago, 29-Mar-02, to lugnet.build)
 

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