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Subject: 
Re: Crab steering idea
Newsgroups: 
lugnet.technic
Date: 
Thu, 28 Oct 2004 03:57:30 GMT
Viewed: 
3075 times
  
In lugnet.technic, Vineet Honkan wrote:
   Nathan-

Thanks for showing how crab steering works. I also like how you designed it, but the fact that it doesn’t have a fixed steering wheel bothered me, so I designed one which has. Also, I might impliment this in my realtime version of my crane (that has yet to be built, btw). However, if anyone can tell me if a Demag AC 500-1 SSL uses crab steering, I’d appreciate it.

Yes, it does. It is all computer controlled though.

Incidentally, Nathan’s design can be used with 2 fixed steering wheels:
  1. reverse the rear steering bar, so that tilting the “steering column” now operates crab steering mode
  2. remove the knob on the “steering column” (leaving the bevel gear)
  3. attach a steering wheel as you normally would, steering the front axles
  4. a second wheel can be connected to tilt the “steering column” for crab steering if you like
ROSCO



Message has 1 Reply:
  Re: Crab steering idea
 
Ross- Looking at Nathan's crab design, I realized that the center steering mechanism resembles a differential. Realizing this I came up with a sketch (since that's all I'm able to do until I move into a house and open my legos) using a differential (...) (20 years ago, 28-Oct-04, to lugnet.technic, FTX)

Message is in Reply To:
  Re: Crab steering idea
 
Nathan- Thanks for showing how crab steering works. I also like how you designed it, but the fact that it doesn't have a fixed steering wheel bothered me, so I designed one which has. Also, I might impliment this in my realtime version of my crane (...) (20 years ago, 27-Oct-04, to lugnet.technic)

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