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Subject: 
Re: Needed ideas for a telescoping boom.
Newsgroups: 
lugnet.technic
Date: 
Fri, 25 Apr 2003 19:02:31 GMT
Viewed: 
647 times
  
Here's the story about my adventures in crane building:
http://www.briqs.tmfweb.nl/Previous/Mobile_Crane.htm
Or http://www.briqs.tmfweb.nl - 'Previous projects' - 'Mobile crane'.

The extending boom was no problem. Lifting it was. It took me a few weeks
just to work out how to lift it from horizontal to as steep as I could
manage.

Duq

"Gerard Steenbeek" <interdutch2000@hotmail.com> wrote in message
news:HDvJ0C.Jw6@lugnet.com...
I`m working on something that needs a telescoping boom. Actually the • success
of this boom will determine the success of the whole thing so I need to
build it first.

The boom has to be about 48 studs long, and then extend as much as • possible
beyond that. It also has to work on a motor.

I built the boom on the 8460
http://library.brickshelf.com/scans/8000/8460/index.html
And extended it, it works, I can make some small improvements such as
guiding gears along the boom to keep it in place and not tilt and catch.
Also I`m going to have to lift the whole thing up, I was looking at the
double cylinder the 8460 has and I`ll try it, maybe i`ll go with 4 • cylinders
for strength.

I was wondering what you guys have used for larger working telescopic • booms.
Maybe I can improve on what you did or modify it to fit my "thing"

Gerard





Message is in Reply To:
  Needed ideas for a telescoping boom.
 
I`m working on something that needs a telescoping boom. Actually the success of this boom will determine the success of the whole thing so I need to build it first. The boom has to be about 48 studs long, and then extend as much as possible beyond (...) (21 years ago, 25-Apr-03, to lugnet.technic)

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