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Quad Roller Skating Forum Discussions about quad roller skates and any other quad skating discussions that do not seem appropriate for one of our other forums.

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Old September 16th, 2013, 06:25 AM   #1
ALBERT.PACO
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Smile New Primo Deano Hub - V2 (CNC)

Hi, again and thanks to all for the support with my previous new Deano V1 hub log.

My name its Paco from Spain (Europe) and my passion its quad speed skate. Ive race about 17 years on quad speed skates at national and international level until 1994 (last years skating on Boen Special 170 and Chester CH20 Boots until the arrives of inline speed skates) also Im quad speed skate coach at national level and at this moment Im working on computer engineer area.

For this V2 Hub Ive working with 7.5mm from bearing spacing, removing 2.5mm only in front of hub respect the original Deano hub that has 10mm of bearing spacing to allow mounting, this hub, into the “modern” quad skate axles and also in old Boen, Wip, Rogua, Faster, Galaxy, etc, quad speed plates.

For this new design, Ive change a little the angle of front hub wall to remove some material respect V1 hub making the same width in top lip than original Deano and also Ive changed the design of the splines with a splined similar as the old aluminum Labeda hub or aluminum Vanguard fanjet hub splines type with a higher striated to prevent that tires rotates into hub.

The main great problem Ive seen its that working with ALU on this design increases a lot the weight respect V1 delrin.

The weight raise until 63g…

I could work with a design like old Wicked Lip hub or Labeda Turbo hub adding several holes but, if its possible reduce the weight, I prefer the conical shape of original Deano.

But like its a first prototype, Ill work to change the design with several radius (four or five) instead of holes to reduce weight.

Best regards from Spain.








Last edited by ALBERT.PACO; September 16th, 2013 at 06:34 AM. Reason: Add pictures.
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Old September 16th, 2013, 06:36 AM   #2
Quadtastic
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Default Very nice hubs

I like them a lot and it will be interesting to see what they look like when your 100% happy with them
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Old September 16th, 2013, 07:06 AM   #3
AussieScott
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Default Looking Good Paco

Okay I need a picture of the front bearing installed.
If the front bearing is counter sunk you can change the taper on the front of the hub so the bearing sits flush with the taper.

You could also shape it more like my Super Enforcer to save a little more weight again.

Here is a picture of my Super Enforcer its deep dished with a radius at the botton. See how shallow the bearing seat is. When the bearing is installed it sits flush with the hub.


Okay Paco with your English not quiet perfect here is what I mean by counter sunk. Look below. The wheel on the left is an old Enforcer with no pretty holes see how the bearing is sunk into the hub. We call this counter sunk.
See how the wheel on the right has the bearing sitting even with the hub? This is called flush with the hub.
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Old September 16th, 2013, 07:10 AM   #4
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Default Another Idea.

Okay Paco because you can't drill bigger holes all the way through here are 2 more options.

Drill through as you have then get a bigger drill and only go half way through.

Another idea would be to drills you have and then slot the front joining up 2 of the holes and then make the slots taller as well.

Both ideas add extra processes and cost but you need to get the weight down.

Personally I'd shape it like my Super Enforcer.
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Old September 16th, 2013, 07:16 AM   #5
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Default Thanks for the pics and definitions

I just learnt a new thing today
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Old September 16th, 2013, 08:14 AM   #6
ALBERT.PACO
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Smile

Hi, Scott, thanks for your quick reply and for your explanation about counter sunk. When I read it I did not know what it meant and I was going to direct the g**gle translator.

This afternoon when I return home I'll make a picture of the front of the hub with a bearing installed to see if its counter sunk or flush with the hub.

Im thinking that its a great suggestion to make V2 hub with a similar shape like your super enforcers.

Also Im thinking to remove the 12 holes to leave this hub with four radiuses and also could be down these four radiuses in a similar shape of your super enforcers to reduce weight.

I think that ALU 6061 its hard, but I dont know if hub could be break with only four radiuses.



Im sorry by the bad quality of this images but Ive drawn this quickly in a moment.

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