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Subject: 
Re: Dennis Bossman's crane
Newsgroups: 
lugnet.technic
Date: 
Tue, 12 Oct 2004 23:55:58 GMT
Viewed: 
5966 times
  
In lugnet.technic, Nathan Bell wrote:
> Thank you for your interest!
> 
> 1. The flatbed truck was built in 1999 and revised this year. The gray lever is
> a manual pump.  It works very easy, but because of the increased mechanical
> advantage, it takes longer to pump.

Does it lower & raise the side stands? How many pumps does it take to do so?

> 2. The plane is from 2001.  The joystick moves forward/back to move the
> elevator, and side-to-side to move the ailerons.

Did you use the joystick design on this
<http://home.zonnet.nl/ericbrok/legomind/index.htm?s=insights> site?

> I must confess the green pieces
> are mega bloks. (there are a few mega bloks or tyco blocks in between the
> pistons in the dump truck.)

Ha! spotted immediately!

> 3. As for the dozer, the antenna (levers) switch each track from forward to
> reverse.  I could not figure out how to make a hydraulic drive with legos, so
> this was the next best alternative.  Each track has a forward and reverse gear.

Nice.

> 4. The roller tires are from the "Super Car"(1994) and covered with sheet metal.
> 
> 5. The black lever on the track-hoe is a switch for a transmission that either
> connects the engine to the tracks or swivels the body.  I eventually want to add
> the same drive system as the dozer to the track-hoe, but it will be hard to do.
> 
> Every model has a piston engine, the crane is being finished, and a telehandler
> is being added.
> 
> Nathan Bell

- David



Message has 1 Reply:
  Re: Dennis Bossman's crane
 
The pump lowers the front legs and raises the trailer off of the tractor. With the dozer on the trailer, it takes about 28 pumps; without the dozer it takes about 23. I have never been to that website before, but it has good ideas on it. The (...) (22 years ago, 13-Oct-04, to lugnet.technic)

Message is in Reply To:
  Re: Dennis Bossman's crane
 
Thank you for your interest! 1. The flatbed truck was built in 1999 and revised this year. The gray lever is a manual pump. It works very easy, but because of the increased mechanical advantage, it takes longer to pump. 2. The plane is from 2001. (...) (22 years ago, 12-Oct-04, to lugnet.technic)

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