Project image
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$12,370
pledged of $4,500pledged of $4,500 goal
131
backers
15days to go

All or nothing. This project will only be funded if it reaches its goal by Thu, April 4 2019 3:59 AM UTC +00:00.

$12,370
pledged of $4,500pledged of $4,500 goal
131
backers
15days to go

All or nothing. This project will only be funded if it reaches its goal by Thu, April 4 2019 3:59 AM UTC +00:00.

About

Traditional flywheels are similar in geometry to a spinning disc or ring. To optimize the angular momentum, various constructions are utilized, such as strategically drilling holes or implementing evenly spaced spokes, to connect the flywheel to the hub. These strategies affect the shape's moment of inertia and center of mass. 

With the Moment Spinner, by using just 1-spoke, we have broken with conventional designs, yet still retained perfect balance, perfect circular geometry and the maximum moment of inertia possible. This extremely high angular momentum lets you feel the precession torque when you move your hand, just like a gyroscope.

Moment Spinner in Copper, Brass and Stainless steel.
Moment Spinner in Copper, Brass and Stainless steel.

Analytical calculations meshed with intricate machining techniques help make this seemingly impossible design realizable.  

Designing a spinner like this is fun for us, and a way to create and prove interesting new shapes and designs. It is an opportunity to create kinetic metal art and share our passion for quality machined metal goods. 

Brass (top left), Black anodized aluminum (bottom left), Stainless steel (right)
Brass (top left), Black anodized aluminum (bottom left), Stainless steel (right)
Red anodized aluminum
Red anodized aluminum

Design

A prior successful Kickstarter project of ours was the Qubit Spinner and Bit Spinner. We've kept the same design goals our prior backers loved and applied them to Moment. It had to be elegant, durable, pocket friendly and fun to use. It also had to spin super smoothly!

Perfectly balanced. Copper Moment.
Perfectly balanced. Copper Moment.

Moment will be our smoothest and longest rotating spinner ever! Though it is hard to verify, we estimate Moment to have the longest spin-time to weight ratio of nearly any spinner due to its unique geometry. At only 2 oz., it can consistently spin over 10 minutes. 

Some of the many Moment prototypes.
Some of the many Moment prototypes.

We machined dozens of prototypes during development in aluminum, steel, copper and brass to refine the size & shape, and to validate fabrication methods. Pictures in this campaign are not renderings, but actual prototypes. Prototypes and production Moments will be made in the USA. 

A Moment Spinner and Qubit Spinner in Chicago.
A Moment Spinner and Qubit Spinner in Chicago.

Customization

**Note**: Once the campaign ends, the Kickstarter Backer Survey will be sent out and in that Backer Survey you can choose your colors and metals.

These are actual prototypes, not renderings. Aluminum is similar to steel, but slightly brighter.
These are actual prototypes, not renderings. Aluminum is similar to steel, but slightly brighter.

Materials: Moments are made with Aluminum, Brass, Copper and Stainless Steel. We are offering anodized aluminum Moments in Red, Blue and Black. If the campaign is big enough, we can offer some additional anodized colors. Please note, copper and brass will patina and darken over time. Stainless steel and aluminum will not change over time. 

Spin Times: Assuming the same starting RPM, a heavier flywheel will rotate for longer, though the differences among steel, copper and brass are minimal. The bearing choice has the biggest impact on spin time. (See below for more info. )   

Copper, Stainless Steel & Brass.
Copper, Stainless Steel & Brass.

Flywheel Specifications: All weight has been pushed to the edges for long spin times.  The weights below are with bearings and buttons installed. 

  • Flywheel Diameter: 1.8 inches, 4.5 cm
  • Flywheel Thickness:  .28 inches, .71 cm
  • Moment Spinner Aluminum: .74 oz., 21 g
  • Moment Spinner Stainless Steel: 1.98 oz., 56 g 
  • Moment Spinner Brass: 2.15 oz., 61 g
  • Moment Spinner Copper: 2.15 oz., 61 g
Machine finished copper under the macro zoom lens.
Machine finished copper under the macro zoom lens.

Buttons: Buttons are satin finished and anodized red, black, silver, blue and rose gold. The satin finish easily hides fingerprints and offers more grip than a mirror polished finish. Buttons are .75 in. (19 mm) in diameter. Our buttons overlap with the flywheel's inner hub to protect the bearing from dust and debris. 

Bearings: Closed (with shield) and open (without shield) hybrid ceramic bearings  are available. Our open hybrid ceramic bearings in our testing have consistently outlasted full ceramic bearings. Closed race bearings won't spin as long, but due to their design can keep out dust/debris. The closed bearings are slightly quieter. The differences are minor, but noticeable. 

A Stainless Steel Moment Spinner with some of our other favorites.
A Stainless Steel Moment Spinner with some of our other favorites.

Production Milestones

 Each dot represents a milestone. We will send project updates about these milestones as they happen to keep you updated!   We will not be like other Kickstarter campaigns that leave their backers in the dark and guessing as to what is happening.  

Pledge Rewards

When the campaign ends, you will receive a Kickstarter Backer Survey. In the Backer Survey you can choose your preferences (flywheel material/bearing/button color). Even though we list May, we expect to begin shipping in April 2019. 

Add-ons, Notes on Pledges:  You will be able to add additional Moments to your pledge after the campaign. 

From Left to Right: Qubit, PentaOrbiform, Moment, Bit
From Left to Right: Qubit, PentaOrbiform, Moment, Bit

What our Backers are Saying about our Campaigns

Risks and challenges

We are very experienced designing pieces like Moment. All of the pictures in our campaign are of the dozens of prototypes we have made to ensure quality and we will be following the same machining methods for large scale production.

We also have a robust fulfillment process. We will give regular updates post-campaign to make sure all backers are in the loop and we will send packages with tracking!

Please contact us at AltDynamic.com or send us a message through Kickstarter's messaging system if you have a question!

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