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[Batman 30300 revised] Mini Tumbler Redo

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[Batman 30300 revised] Mini Tumbler Redo

Postby sparkart » Tue May 13, 2014 5:34 pm

This started out as LEGO set 30300. I tried to remake the model and preserve the playability and re-use the pieces in it:

ImageBig wheels keep on toinin' by SPARKART!, on Flickr.

Thanks to Tiler AKA Calin for his Tumbler that provided the starting point for this modification. Thanks to Elog over at Eurobricks for making an LDD file for 30300, from which I could make instructions for this new model. There's quite a few things changed in this update. Everything in red in this picture is what is added to 30300 to get the new model:
Image

So, if you get those new pieces, and follow the instructions, you'll get this:
Image

I changed the color of the front axle assembly in an attempt to camoflauge the structure there, and recreate the void space look of the original. Cheesy maybe, but if you squint, it looks better than keeping it black, and you can still roll and race the model along the table.
Last edited by sparkart on Sun May 18, 2014 10:58 pm, edited 1 time in total.
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby Trooper10 » Tue May 13, 2014 6:49 pm

Nice lookin' - I'm still trying think of a solution to the front wheels without the inside axles that will still roll...
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby sparkart » Tue May 13, 2014 11:04 pm

Outside front axles...a dream to some...a nightmare to others! :) It would be very cool to see that at this scale. Maybe something slightly bigger could pull it off. I know you're a Tumbler wiz and aficionado, Chris. If anyone can make/discover/MacGuyver outside axles for a Tumbler at this scale, it's you. Good luck!
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby ninnymuggins » Wed May 14, 2014 6:38 pm

Excellent!
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby Gingerbeard Man » Thu May 15, 2014 12:14 am

sparkart wrote:Outside front axles...

The main problem seems to be that none of the axle-like pieces at this scale will securely hold a wheel. So if you want rotating wheels they will tend to slip off the axle.

ImageImage

Please excuse the colour scheme. I knocked this together from spare parts I had lying around.
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby Mister Ed » Thu May 15, 2014 6:34 am

Just out of curiosity (I'm not at home so can't try this myself right now) but if you took the tires off the wheels, would the tires turn freely around a 1x1 cylinder? That could be held securely from the outside using the method you picture.
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby sparkart » Fri May 16, 2014 6:14 am

No, those tires don't freely rotate around a 1 x 1 cylinder, but it works great as a high friction connection, and would well suit a static model of the Tumbler.

I've been playing around with the model more in LDD, and it looks better with all-black pieces, including the wheels. Is there any LEGO set that's just been in one color?
Last edited by sparkart on Fri May 16, 2014 8:21 am, edited 1 time in total.
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby Mister Ed » Fri May 16, 2014 6:53 am

What about a stack of two of those 1x1 round plates with holes in them? That should provide a bit less friction. Especially if, instead of stacking them, you space them just right along a rod with the tire in between.
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby sparkart » Fri May 16, 2014 8:39 am

I'll try it when I get home, but I suspect that that will also be a clutchy connection. The tolerances with which LEGO is made are so tight. When they make the snap axles, make something for movement, it works great, but otherwise, friction and clutch power keep things static. And LEGO rubber tires are grippy.
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Re: [Batman 30300 revised] Mini Tumbler Redo

Postby sparkart » Sat May 17, 2014 9:16 am

The round 1 x 1 plates with holes only come in white and yellow. But i guess you only need one for each wheel, and a black 1 x 1 plate can finish the other side. Even so, it still won't roll freely, like a LEGO axle.
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Always bet on black.

Postby sparkart » Sat May 17, 2014 9:33 am

Image

Updated the instructions to this all black version. Piece count went up tp 56, to fill in some empty spaces on the model.
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