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A 3D-PRINTING ROVING ROBOT COULD REPAIR POTHOLES
ADDIBOT WANTS TO MAKE YOUR CITY BETTER

Andrew Zaleski Posted January 14, 2016

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courtesy Robert Flitsch

Addibot

In the future, your local public works department might use a small, wheeled robot to repair potholes on city streets—assuming this recent Harvard graduate’s idea gets funded.

Robert Flitsch is the inventor of the Addibot, a 3D-printing robot that uses raw material to build surfaces up layer by layer, much like a boxy, desktop 3D printer would, but without the same space constraints. It can steer itself, or be driven via remote control.

“One of the main limitations with 3D printers is you typically have it printing inside this box, and you can really only print objects of the size of the workspace you’re printing in,” says the 22-year-old Flitsch, a mechanical engineer who graduated from the Harvard John A. Paulson School of Engineering and Applied Sciences last May. “If you take additive manufacturing implements and make them mobile, you can print objects of arbitrary size.”

Underneath the chassis of an Addibot is an array of nozzles that, ostensibly, would lay down materials as needed to repair a variety of surfaces. Flitsch, a longtime hockey player, first tested his Addibot on ice, the idea being that such a robot could deposit water, with a temperature just above its freezing point, into the cuts made by skates on hockey rinks, and then freeze once coming into contact with the ice surface. So long as the width of the print array accurately represents the crack or hole the Addibot is passing over, the repair work could be done at a constant speed “on the order of a few miles per hour,” says Flitsch.

An array of nozzles would lay down materials to repair a variety of surfaces.
How an Addibot would lay down tar to fix damaged asphalt is a trickier conundrum; that is what Flitsch is currently grappling with.

“All the storage for material, all the chemical processing could be done on board the Addibot,” he says. “Tar materials, which have to be kept at a high temperature, can be done in a tank with a constant heat source added to it. Power sources could be various kinds, depending on the size of the robot.”

Some obstacles stand in the way. Keeping dust out of what the Addibot prints is a priority, since dust has a tendency to mess up 3D prints. Flitsch says he’s working on incorporating a post-processing mechanism into the Addibot undercarriage that could ameliorate any problems dust might cause.

And while Flitsch has developed a working prototype, he needs funding to continue prototyping with different printing materials. But by taking additive manufacturing technology and making it mobile, Flitsch thinks a team of Addibots could print objects of any size with an array of materials.

"The only way that I see Addibots being limited is in whatever materials we can think up to use," he says.

 

It'll never be more efficient than a pikey with a Transit tipper, a bucket of tar and a shovel

 

Talk about grabbing a buzz word.

This chump has built a robot pikey.

thats all. its not a 3D anything... its nothing like a 3D printer, its spraying on the ground.

FFS a line painter for road markings is all this is... jeez.

 

I can see the traffic jam of the future now

a little robot with 50 google cars line dup behind it as it crawls along at 2mph spraying ****e on the road.

then it rains and it all goes wrong...

can you imagine....

 

But it won't charge little old grannies ten times the going rate for the job even though they are claiming DLA whilst doing it. you will also know where to find the little fecker when the job goes wrong.

 

What they have so far is a 2nd rate Roomba with a jug of cold water on top

The article already explains how it's actually completely unsuitable for road repairs

 

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#globalwarming

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Little old grannies don't have holes that need filling.


In the road, I mean.



Sorry, that came out all wrong.

 

Yeah hilarious

Do you know anything about Canada's energy generation and the high level of renewables that they use? You do know that they're one of the largest prioduces of hydro electric power in the World don't you?

 

NOAA Statement - "El Niño has already produced significant global impacts and is expected to affect temperature and precipitation patterns across the United States during the upcoming months"

The Guardian version - “From some of the worst floods ever known in Britain, to record-breaking temperatures over the Christmas holiday in the US and forest fires in Australia, the link between the tumultuous weather events experienced around the world in the last few weeks is likely to be down to the natural phenomenon known as El Niño making the effects of man-made climate change worse, say atmospheric scientists.

#liars

 

You still haven't grasped the link between increase precipitation and global warming I see.....

Preferring the "Oh it's snowing look, it's therefore a #fraud" tact.

lol

#science

 

You know **** ALL about Canada and Renewable, pretending you do is the most hilarious thing ever
Now go three minute that ****.

"Duh duh Canada" Solar doesn't work when it snows, that's the point. Duhh

 

FFS

 

British wind power is the biggest joke in the history of energy.
Pathetic tragedy that costs a ****ing fortune, those turbines will never ever pay for themselves and their maintenance

Who makes, the recipient of green subsidies, which are very often, foreign companies.
The fact you ******s defend this cack, shows you have no clue whatsoever.

A carbon economy will supply the big traders with trillions, cos the actual economy has shat itself, because the banks pretty much took all the money, which you are still paying for, already these banks are making money from cap n trade, after fleecing ye.

Carbon taxes closing British industry, and making sure companies wont choose the UK to set up, going elsewhere, UK power is twice as much as many other European countries I think.

All for a paltry scabby fraction of energy that wont do anything to climate or temperature over 100.000 years of operation

 

Of course Solar doesn't work when the panels are covered in snow you quilt, but what does posting that pic actually mean in the context of this thread?

Do you know anything at all about Canadian renewables? Do you **** as like.

Solar only forms one tiny part of their renewables portfolio.

 

Oh god it keeps gobbing off nonsense.

What drives you to leak out of yer arse so much

Wind and solar and tidal are expensive nonsense.

Wood will have to make up the massive gap from stupid carbon policies, burning trees, great

 

As usual, you think wrong.

Both your 'homelands' heavy industries are paying more for a start off. As well as Germany, Italy, Holland, Spain, Portugal and Belgium

Go do your 3 minute research, before posting ****e, would be my advice