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Subject: 
Spending too much time on redesign :) Was Re: Motorizing 9V switch points (translation from french)
Newsgroups: 
lugnet.trains
Date: 
Sun, 14 Dec 2003 19:25:59 GMT
Viewed: 
2469 times
  
In lugnet.trains, David Koudys wrote:

snip


   So with a little fiddling and stuff, I came up with this:



If you want to download the LDraw file, go here http://sparky.i989.net/ltrain.htm

The building is 4 studs wide, except for the black plates on the switch point. I ran it all night tonight and it didn’t separate from the switch point and didn’t fail once.

Again, thanks for the inspiration!

Take care,

Dave K

Worked on it a bit today...

Just reducing the height of the building--the best I can do is 6 bricks 2 plates high. Move the motor/eccentric assembly down a few plates and take the 5 stud axle out of the lever and put in a 4.

Still works exactly the same otherwise--the eccentric mover grazes the top of the #3 Technic angle backet at the bottom of the stroke, but seems to be fine.

This is fun!

Dave K


Subject: 
Re: Spending too much time on redesign :) Was Re: Motorizing 9V switch points (translation from french)
Newsgroups: 
lugnet.trains
Date: 
Sun, 14 Dec 2003 21:31:52 GMT
Viewed: 
2413 times
  
In lugnet.trains, David Koudys wrote: ...
  
   The building is 4 studs wide, except for the black plates on the switch point. I ran it all night tonight and it didn’t separate from the switch point and didn’t fail once. • ...

Just reducing the height of the building--the best I can do is 6 bricks 2 plates high. Move the motor/eccentric assembly down a few plates and take the 5 stud axle out of the lever and put in a 4.

Still works exactly the same otherwise--the eccentric mover grazes the top of the #3 Technic angle backet at the bottom of the stroke, but seems to be fine.

Hi Dave,

This is funny, I went to the same kind of problem and also tried to reduce the width of the block very recently. Are we telepathic ? However, I started from Ed McGlynn’s most recent proposal (http://news.lugnet.com/trains/?n=21826) and shifted to a drastic modification leading to the same goal : reducing the block to a 4 studs width. (And not 12 studs width as I wrote wrongly yesterday, sorry).

Here is the Ldraw file of it.

http://www.brickshelf.com/gallery/frogleap/Trains/Planches/blocedsimple71427.ldr

My problem is that it lacks the “.dat” file of the ‘Technic 1 x 3 with 2 Axle Holes and Pin’ (x33) part which is key to understand the mechanism. This part fits at the bottom of the driving lever (8-stud axis) and goes directly into the switch point stroke.

Hoping you’ll get the picture.

I like playing Lego overseas :-)

Philippe.


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