Subject:
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Re: My latest Technic MOC or What to do with all those wild coloured bent beams
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Newsgroups:
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lugnet.robotics, lugnet.technic
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Date:
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Mon, 24 Sep 2001 00:19:52 GMT
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Viewed:
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1738 times
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In lugnet.robotics, John Barnes writes:
> I have uploaded some pics of my latest Technic MOC - a Technic
> model of an MTD Lawn Tractor (the real one also pictured).
>
> brickshelf.com/cgi-bin/gallery.cgi?f=7122
>
> The model is built to a scale of 1 stud = 2 inches. There is a 9 v battery
> pack under the seat where the real battery would go. It drives a 9v gear
> motor continuously. The motor drives the cutting blades and a
> continuously variable transmission which has a ratio range from -1 to
> +1. The output from the transmission goes through a 9:1 reduction
> on the way to the rear wheel's differential. The transmission is
> controlled by the red lever sticking out of the right rear wheel arch.
> The cutting deck is driven via a pulley connected to a drive from the
> gear motor. In true style, I had to arrange for a long drive belt which
> winds its way around all the pulleys of the deck. I had to make this
> drive belt. It is actually 19 1/2 inches of black elastic obtained from a
> fabric store. The ends were cut with a brand new xacto knife blade
> and then glued end to end with super glue. It is suprisingly strong.
>
> The bodywork was the real challenge, particularly the engine compartment.
> Trying to get that swoopy roundness you can see in the picture of the
> real tractor was a lot of fun. And quite frankly, I gave up on trying to
> imitate the headlights! But I managed to use a lot of the wild coloured
> beams from the various cybermasher sets I've collected one way or
> another.
Wow! I too would like to see details of the transmission!
ROSCO
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