Idiot new guy checking in to say hi.

[cybrhick]

I would look into getting a more standard bearing size also. The main sizes are 5mm x 10mm x 4mm, 1/4" x 1/2" x 3/16", 5mm x 11mm x 5mm (sorry for the change between standard/metric). I would also look at making it a little wider, maybe between 38-42 mm (this is what seems to be preferred). If you are looking to sell them, many people look for yoyos that are anodized, which can be used to color the aluminum and also makes it harder/more resistant to scratches (you may already know this, just trying to help). That looks great, especially for a first try. I wish my dad were that cool. Keep it up man!

The bearing size was one of my concerns when designing this. I looked up a list of all the common sizes, and the one I used corresponds to the "G" size used by Custom.

Width was not something I thought really long about probably due to not haveing any experience with ball bearing yoyos. My OD, and width were pretty much derived from the cheap plastic Duncan Butterfly my son started with. Now though, in retrospect, I can see where a wider design could be beneficial. Hard anodize is not a big issue either, as I already have a plating shop I use for my motorcycle parts.

[mrneumann5000]

Another optional thing you might want to look into if you have the equiptment to anodize is splash anodization, which alot of people prefer, and I think it looks awesome. Weight is completely user preferance, but 65-68 grams is usually normal, I like heavier throws, but some people like light.

[cybrhick]

OK, got home and took some pics disassembled. (useing the photo advice given earlier   )

The first pic shows the yoyo disassembled with the bearing and one of the bushings removed. The other bushing is still on the axle.

On this pic I flipped one side over to show the side recess since my first pics SUCKED.

This view is a bit tighter shot of the recess that the bushing sets into. This recess is .04 deep, and the bushing is .04 thick. The recess is .01 larger in diameter than the outer race of the bearing, allowing the outer race to run smoothly without contact, but keeping the gap between the recess and the race small enough that the string cannot hang up.

This is a tighter view of the steel inserted threaded hole that the axle attaches into. I haven't noticed any of the other manufacturers using steel thread inserts, but I just feel better building it to last.

And... a couple more shots...

[EccentricSage]

The bearing size was one of my concerns when designing this. I looked up a list of all the common sizes, and the one I used corresponds to the "G" size used by Custom.

Go with Bearing sizes A (Duncan), D (SPYY or HSpin) Or C (YoYoJam).  These are the most common sizes used today.

[cybrhick]

The bearing size was one of my concerns when designing this. I looked up a list of all the common sizes, and the one I used corresponds to the "G" size used by Custom.

Go with Bearing sizes A (Duncan), D (SPYY or HSpin) Or C (YoYoJam).  These are the most common sizes used today.

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

[jrodriguez]

Very impressive work. I hope your son enjoys it!

[Zuha]

A, C, D size bearings are most common in yoyos. C size is .250x.187x.500 in inches.

Next time making a yoyo, use these bearing sizes, make a bearing seat, and a groove for pads or silicone.

[EccentricSage]

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

Haha, there are many discussions over which bearing best for what, but the most noticeable difference would be gap size.
Measures:
A:5mm x 10mm x 4mm.
D:5mm x 11mm x 5mm
C:1/4" x 1/2" x 3/16"

[cybrhick]

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

Haha, there are many discussions over which bearing best for what, but the most noticeable difference would be gap size.
Measures:
A:5mm x 10mm x 4mm.
D:5mm x 11mm x 5mm
C:1/4" x 1/2" x 3/16"

So a gap of .150 - .200 is preferable to a .125 gap? Oh man, I have so much to learn. LOL

[liife]

The bearing size was one of my concerns when designing this. I looked up a list of all the common sizes, and the one I used corresponds to the "G" size used by Custom.

Go with Bearing sizes A (Duncan), D (SPYY or HSpin) Or C (YoYoJam).  These are the most common sizes used today.

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

Another benefit is if you decide to sell these in the future, your customers already have spare A,D, and C bearings lying around should they want to replace the stock bearing. No one will have a "G" bearing to replace yours with if something goes wrong or they lose it.
This is really impressive work so far.

[cybrhick]

A, C, D size bearings are most common in yoyos. C size is .250x.187x.500 in inches.

Next time making a yoyo, use these bearing sizes, make a bearing seat, and a groove for pads or silicone.

The bearing seat would be synonymous with the bushings I used. Not trying to change the yoyo world on this one, but it had to be a separate piece if I was going to use the steel threaded inserts.

[cybrhick]

The bearing size was one of my concerns when designing this. I looked up a list of all the common sizes, and the one I used corresponds to the "G" size used by Custom.

Go with Bearing sizes A (Duncan), D (SPYY or HSpin) Or C (YoYoJam).  These are the most common sizes used today.

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

Another benefit is if you decide to sell these in the future, your customers already have spare A,D, and C bearings lying around should they want to replace the stock bearing. No one will have a "G" bearing to replace yours with if something goes wrong or they lose it.
This is really impressive work so far.

Good point. Although I did buy my bearings at Home Depot. Not exactly a yoyo shop, but the bearing price couldn't be beat. 

[LilNath]

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

Haha, there are many discussions over which bearing best for what, but the most noticeable difference would be gap size.
Measures:
A:5mm x 10mm x 4mm.
D:5mm x 11mm x 5mm
C:1/4" x 1/2" x 3/16"

So a gap of .150 - .200 is preferable to a .125 gap? Oh man, I have so much to learn. LOL

Part of the reason your yoyo returns to the hand during play is the gap. The string rubs against the aluminium sides, but ideally either silicone or "pads" sit either side of the bearing providing friction against the string makes the yoyo return. This is why people have advised you to make a recess in the inside of your yoyo.

[yoyospirit]

That looks alot like a Custom Axl Elite.

[cybrhick]

What is the benefit of one size over another? Or is it another metric conspiracy? I'm in America dangit. I was raised on the Standard measurement system.

Haha, there are many discussions over which bearing best for what, but the most noticeable difference would be gap size.
Measures:
A:5mm x 10mm x 4mm.
D:5mm x 11mm x 5mm
C:1/4" x 1/2" x 3/16"

So a gap of .150 - .200 is preferable to a .125 gap? Oh man, I have so much to learn. LOL

Part of the reason your yoyo returns to the hand during play is the gap. The string rubs against the aluminium sides, but ideally either silicone or "pads" sit either side of the bearing providing friction against the string makes the yoyo return. This is why people have advised you to make a recess in the inside of your yoyo.

No, I totally understand that concept. But likewise, it seems a narrower gap would bind the string easier. No?

[cybrhick]

That looks alot like a Custom Axl Elite.

Just looked that one up. Yeah, I can see a good bit of similarity there.

[sicyo]

Yep, the narrower gap makes it come up easier. That's what the SB-2 relied on originally for returning the yo-yo to your hand.

However, most people nowadays like to play unresponsive, which pretty much nullifies that concept.

[yoyospirit]

I don't think that yoyo returns properly.  The string probably can wind up tight.  Try a thin dife yo pad on one side or just silicone recess it.

[mrneumann5000]

That looks alot like a Custom Axl Elite.

For some reason it reminds me of a Nostalgia...

[yoyospirit]

I hate my axl elite.