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Zeph

TMMAC Addict
Jan 22, 2015
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View: https://www.youtube.com/watch?v=7TnqBM_KUyE


This hoverboard costs $20,000 and can fly for six minutes

2015 was literally and figuratively the year of the hoverboard. While everyone was talking about the self-balancing scooters, two companies showed off skateboard-shaped boards that actually hovered a few inches above the Earth: Lexus with the "Slide" board, and Arx Pax with its second generation Hendo Hoverboard. Now, just days before the new year, another company called ArcaSpace is taking a shot at making the mythical hoverboard.

ArcaSpace is primarily a private space company, and one of the original 26 teams that competed in the Ansari X Prize competition in 2004. (It also entered the Lunar X Prize competition, too, before pulling out in 2013.) But early this morning the company released a video that shows off the "ArcaBoard," a fan-powered rectangle that can lift a person off the ground by almost a foot.

It doesn't look easy to ride, but it definitely flies

The ArcaBoard gets its power — 430 pounds of thrust, or 272 horsepower, according to the company — from 36 electric fans. The company also says its built in some self-balancing tech to make it fly smoothly. Beyond that, though, it doesn't look like there's much to the experience. Dumitru Propescu, ArcaSpace's CEO, is seen riding it in the video, but it doesn't look like he has much control over where it's going. It's actually pretty reminiscent of the Hendo Hoverboard videos — sure, it hovers, but you can't really steer it enough to ever use it to get anywhere.

ArcaSpace isn't shy about its ambitions for the ArcaBoard on the company's website. "For the first time since the bicycle, automobile or airplane, the ArcaBoard is a revolutionary breakthrough for transportation," it reads. "For the first time, every person will be able to fly anytime, anywhere. The world, your world, will change forever."

The accompanying video is also blindly serious, setting footage of the board in action and graphics that show how it was built against a backdrop of echoey piano. The company's public relations manager and chief operating officer both join Propescu in testifying about the revolutionary accomplishment.

The ArcaBoard is cool, but don't expect to ride it

ArcaSpace's hoverboard appears to have little purpose beyond marketing, much like the case was with Arx Pax and Lexus. The short video is too serious to be taken seriously, and the $19,900 price tag is so high that you have to wonder why they even bothered to list it. (If you add one of the boards to the virtual shopping cart and click "checkout," you can't actually get past the next screen anyway.)

Propescu basically admits this by the end of the video. "I've always wanted to create a commercially available prodcut for the masses," he says. "But the creation of this truly revolutionary product proves that Arca is not only able to create amazing technologies, but is actually engineering the future."

At a very base level, what ArcaSpace has done here is cool. The company found a way to make something you can call a hoverboard with a level of legitimacy, and unlike Lexus or Arx Pax, it doesn't require a track or special surface. The technological challenge of getting 36 fans to work in tandem without something going completely haywire is admirable, too. But while this is the third working version we've seen this year, it looks like the immediate future of the hoverboard is still grounded.

This hoverboard costs $20,000 and can fly for six minutes
 

ThatOneDude

Commander in @Chief, Dick Army
First 100
Jan 14, 2015
35,390
34,272
Man, give this tech a few years if it doesn't peter out and we may see some cool stuff because of it.
 

Leigh

Engineer
Pro Fighter
Jan 26, 2015
10,925
21,294
LOL @ that cheesy trailer. Still, quite a cool piece of tech. 430lbs of lift (if real) is enough to carry a 200lb man plus a decent thrust system.

It really doesn't look that complicated and expect some Chinese knock offs at a fraction of the price soon. Just like how the segway sells for thousands and you can get a kids version for £150.
 

Leigh

Engineer
Pro Fighter
Jan 26, 2015
10,925
21,294
I've spent the evening doing some research and the fans and motors cost over $4k if sourced individually. The batteries will also be expensive.

This wouldn't be a cheap project to replicate.
 

delightone

Insert Crown here
First 100
Jan 14, 2015
3,434
4,266
I've spent the evening doing some research and the fans and motors cost over $4k if sourced individually. The batteries will also be expensive.

This wouldn't be a cheap project to replicate.
meh the chinese will make cheaper fans, cheaper motors, and cheaper batteries, it won't be as good as this but it will come close.
There are over a billion chinese working for peanuts, they will replicate the shit out of this if people want to buy it.
 

Leigh

Engineer
Pro Fighter
Jan 26, 2015
10,925
21,294
meh the chinese will make cheaper fans, cheaper motors, and cheaper batteries, it won't be as good as this but it will come close.
There are over a billion chinese working for peanuts, they will replicate the shit out of this if people want to buy it.
The parts I looked at were already Chinese made. You need very high performance motors and a lot of them. Lower spec motors won't produce enough thrust. You need lithium battery cells to provide enough power to drive the motors in a package small enough to mount on the vehicle.

The design makes sense though. I think you could actually reduce the number of motors by half and make the board smaller but the cost may actually increase, as you'd need even better performance motors.
 

Leigh

Engineer
Pro Fighter
Jan 26, 2015
10,925
21,294
http://shopbvmjets.com/zencart/index.php?main_page=product_info&cPath=24&products_idid

Over 2 grand for one motor! I've found similar motors for about $500. But at 24lbs of thrust, you'd need less than 20 to match the Arcaboard's 430lbs of thrust.

A Chinese fan for $450

TAIWAN TORNADO-JET/EDF Thrust test platform

This is the cheapest option I could find, direct from a Chinese manufacturer as a wholesaler. About $160 for 22lbs of thrust, so 20 of these would be just over 3 grand

Online Shop Change Sun 120mm Ducted Fan 12 Blades with EDF 5052 motor kv500 all set|Aliexpress Mobile
 
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Leigh

Engineer
Pro Fighter
Jan 26, 2015
10,925
21,294
OK, did a bit of googling with lithium ion batteries.

Each motor and power supply, matching the 6 minute flight time, weighs around 7lbs and has a max thrust of 22lbs. So net thrust is about 15lbs and costs about $250-$300

I think the weight of the board is reasonably negligible but I don't know what cost would be. So for a small guy like me at 155lbs + 10lb board (guess), I'd be looking at around 3 grand for the propulsion plus a board and any additional electronics.

The board would be around 3sqft but most of that would be fans and not practical to stand on. The batteries don't take up a lot of space but they do account for most of the weight.

However, if it was possible to get away with 10-12 motors, I would have guessed that Arca would have done so. There is probably a stability/environment/reliability trade off. My numbers are absolutes, pushing the equipment to it's limit and they seem to have quite short life spans.
 
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Leigh

Engineer
Pro Fighter
Jan 26, 2015
10,925
21,294
More interestingly than a hover board, this technology could be used to build cheap aircraft or even a jetpack. Put the motors on your back instead of in a skateboard and you could fly for 6 minutes.