To LUGNET HomepageTo LUGNET News HomepageTo LUGNET Guide Homepage
 Help on Searching
 
Post new message to lugnet.buildOpen lugnet.build in your NNTP NewsreaderTo LUGNET News Traffic PageSign In (Members)
 Building / 11859
11858  |  11860
Subject: 
Re: Drawbridge help needed!
Newsgroups: 
lugnet.build
Date: 
Fri, 29 Mar 2002 01:39:35 GMT
Viewed: 
388 times
  
In lugnet.build, Pedro Silva writes:

The Hobart bridge looks close to what I'm trying to do. Is the concrete
block firmly connected to the bridge itself (ie, no relative motion is
possible between the two), or differently?

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. This would be difficult with LEGO, but
could be donw with a lever or similar.

HTH

ROSCO



Message has 1 Reply:
  Re: Drawbridge help needed!
 
(...) (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 (...) (22 years ago, 29-Mar-02, to lugnet.build)

Message is in Reply To:
  Re: Drawbridge help needed!
 
(...) 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 (...) (22 years ago, 28-Mar-02, to lugnet.build)

10 Messages in This Thread:



Entire Thread on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact

This Message and its Replies on One Page:
Nested:  All | Brief | Compact | Dots
Linear:  All | Brief | Compact
    

Custom Search

©2005 LUGNET. All rights reserved. - hosted by steinbruch.info GbR