Subject:
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Ladies and gentlemen...
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Newsgroups:
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lugnet.technic
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Date:
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Sat, 19 Jun 2004 19:01:45 GMT
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Please, let me introduce myself and invite you to my gallery at the recently
opened Polish Lego forum. After years of lurking I have finally decided to post
on Lugnet - and here I am, a humble AFOL. Really nice to meet you, folks.
Technic is my favourite Lego topic and that’s why the first MOC I present is
Technic - it’s a fully motorized pneumatic backhoe loader. Click the seven
thumbs to see larger pictures at:
http://www.lego.jelenia.com/index.php?strona=moc/koparka/koparka
As most of you probably don’t read Polish very well, I’ll try to describe the
model briefly here and now. In February 2003 the first pictures of 8455 backhoe
loader were published (from Toy Fare, I guess). And that’s when I decided to
create my own backhoe: earlier (8455 was scheduled for August; I finished work
in July) and better (with three electric motors), using both stud and studless
parts. I also wanted to make the boom fold asymetrically, like in 3CX by JCB,
which required two motors (you can see what I mean on picture 1). Unfolded boom
would be set aside (to the right; see picture 2), while driver’s seat - to the
left, which, in my opinion, gave the driver a better view when digging. One of
the two 9V geared motors (as seen on picture 3) was responsible for driving rear
wheels OR opening the boom to working position. The other one was used for
steering the front wheels OR lowering/raising the outriggers. Red 9V micomotor’s
sole purpose was to turn the whole boom sideways (over 90 degrees both ways). A
handle in driver’s cabin was used for switching between larger motors’
functions. Valves of arm’s pneumatic pistons were located behind the cabin
(almost like in 8455); valves for front shovel were external, as were all three
battery boxes. This made sense, I think, since front shovel was used only in
„driving mode”, while the arm - in „digging mode” only. Pictures 4 and 5 show
arm’s and shovel’s range of movement. The last two are just general views. What
else? Steering wheel actually turned when the front wheels were turning. Doors
could be open manually. Top „lights” were manually adjustable. And for those of
you, who want to see my favourite trick, there is an mpg (3 Mb, only 12 seconds
long) hidden in Polish text, under word „film”. Watch the driver!
Using past tense in the above text is not accidental - last year the model was
cannibalized for parts. But this means that new ones are on their way… :)
Please, feel free to post comments on my MOC. Constructive criticism welcome :)
dmac
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Message has 2 Replies:
 | | Re: Ladies and gentlemen...
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| Welcome! I visted your site and it was good to see your Technic Construction. Look forward to seeing more. e www.biomechanicalbricks.com (20 years ago, 19-Jun-04, to lugnet.technic)
| | | Re: Ladies and gentlemen...
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| (...) Hi dmac! Great backhoe! I love how you've used the motors and gear selectors to get multiple functions, like in the 8480 space shuttle. And it looks good too, well done! ROSCO (20 years ago, 20-Jun-04, to lugnet.technic, FTX)
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