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| Zero Gravity Return Tops Janus 2023 (mini) |
| Exhibit #4735 |
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| Type | Production |
| Shape | Modified |
| Axle | Bearing |
| Finish | Anodized |
| Color | Silver/Grey |
| Packaging | Display Boxed |
| Construction | Multi-piece aluminum |
| Response | CBC Slim Pad |
| Diameter | 45.5mm |
| Width | 22.2mm |
| Gap | Fixed |
| Gap Width | 2.3mm |
| Weight | 52gm |
| Condition | Mint |
| Date | 2023 |
| Owner | Rick Brough |
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Special ZipLine Strings edition of Zero Gravity Return Tops Janus yo-yo in silver/grey (half swap).
From www.zgrt.ca:
"Janus
With every project we embark, new concepts and ideas come to us to explore different designs, playability and versatility for future creations. Working on the KnuckleYo kindled a spark of imagination and inspiration leading us to the creation of the Janus: a slim line yo-yo that uses two removable coins to play.
The starting point of the design was around the dimensions of the coin itself. Coins of this type can be used as worry or rolling coins and come in different dimensions that go from 30-45mm diameter, 3-7mm thickness and 10-40gm. We started to explore all the multiple designs around those dimensions and see what would fit best.
The diameter
The 'standard' size of a manipulation coin is around 35mm diameter. Having a diameter in that range was not the best fit for what we were looking for. Although the main idea of this project was to design a yo-yo that could be easily transformed into a coin, we always wanted the Janus to be a capable yo-yo to play with. Our goal was to find the best size of diameter that allowed the Janus to be playable as a coin as well as a throw. We found the sweet spot to be 45.5mm.
The thickness
The next challenge we faced was to determine the coin's thickness which is fully correlated to the performance, weight and width of the throw. A thin yo-yo would compromise certain performance capabilities and functionality; whereas a thick coin would not be ideal to perform manipulations. With those two challenges to consider, we determined that the thickness was pretty much limited to be in the 7-8 mm range. We used the thickness of the ZGRT El MiJo yo-yo as a point of reference which is 12mm, and our objective was to go no less than 60% of that dimension.
Due to the design of the Janus, the weight is proportionally correlated with the thickness and the size of the diameter. Although we had a range of 30gm to play with, the diameter that we established along with the width that we were aiming, the weight became another factor that had to be considered. With all those elements on the table, we ended up with a thickness of 7.8mm which gave us a weight of 23.7gm when in coin mode.
The incorporation of Side Effects
To transform this yo-yo into a coin, we needed a system that was suitable and functional for the Janus. We explored many alternatives to adapt this idea. We went back a fourth with different approaches, until we saw the potential that the Side Effects machined by One Drop could bring to the Janus. One Drop's Side Effects allowed the Janus for a complete removal of its axle and bearing seats and feel it more "coin like" when in coin mode. This mode also opened the possibility to use the Janus as a wearable coin.
The final design
After we incorporate all the above elements, we only had two remaining elements left to accomplish: performance and design. The most suitable material for this concept was 6061 aluminum. We needed certain wall thickness for the shape and design that we envisioned. We pushed the walls of the cup in a way that could work for coin manipulation and as a worry coin, and at the same time to allow a better weight distribution when you play it as a yo-yo.
We do not consider the Janus to be a micro yo-yo (read: unusable) by any means. The Janus is a mini, fully functional pocket yo-yo that you can play responsive (its default) or unresponsive or, when completely disassembled, be used for coin manipulation tricks as well.
The name
In ancient Roman religion and myth, Janus is the god of beginnings, gates, transitions, time, duality, doorways, passages, frames, and endings. Janus is typically depicted as having two faces and was commonly embossed onto Roman coins.
The name reflects the dual nature of our creation and the various passageways it may lead you while playing. The throw's mismatched sides of different colors and patterns further reflect the characteristic of Janus: the double-faced pocket yo-yo that actually fits comfortably into your pocket.
We thank our team members Jack Morris, Iñaki Diez and Jason Williams for their input during the development of this project.
A special thanks and recognition to Chris Francz for his Janus artwork that was used for the yo-yo's logo and engraving."
Recipe
Diameter: 45.5mm
Width: 22.2mm
Weight: 52gm
String gap: 2.3 mm
Bearing: Size C, half spec (slim)
Response: 19mm slim pad
Material: 6061 aluminum
String: 1x - ZipLine Strings and Sochi Company Alphaline in white, 100% polyester.
Released February 17, 2023
Original retail price: $69 USD.
See also Zero Gravity Return Tops Janus 2023 in grey and blue.
Of interest...
To see all mini yo-yos in this museum, in the left panel, click Exhibits.
In the right pane, in the Name/Model field, type mini, then click Browse. | |
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