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YURI reduction hubs

General Tech Talk

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YURI reduction hubs

Post by raptorthumper »

I'm interested in details of YURI's reduction hubs. Anyone have any good pics or drawings showing the mechanical detail.

I could ask them directly, but wonder if they would provide any info without a sale.


_
98 GU Patrol. 4.0L Barra, BF engine. 3" Lift. 85% Marks reduction Gears. 35x12.5x15 Maxxis Bighorns, 3" Zaust.
http://www.outerlimits4x4.com/viewtopic.php?f=16&t=86831&start=210
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Re: YURI reduction hubs

Post by GU_247 »

raptorthumper wrote:I'm interested in details of YURI's reduction hubs. Anyone have any good pics or drawings showing the mechanical detail.

I could ask them directly, but wonder if they would provide any info without a sale.


_
Not sure but I would think its something along these lines

Image
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Post by Rhett »

yuri's run 4 gears.
Its a wheelbase thing
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Post by raptorthumper »

From Yuri's page they are 3.64:1 ratio so if that is an exact ratio (and not an approximation) then it means a 25T tooth pinion gear, 66T internal gear, and 20T planet gears, (corrected by 1/2 a tooth).

Planetary gear ratio = (No teeth in internal gear / No of teeth in pinion) + 1

Just interested in how Yuri's design is setup. I like the idea of being able to swap back to 1:1 ratio by locking the internal gear to the pinion gear so you get 1:1 ratio.

This would give normal highway gearing, or super strong crawling ratio if you could lock the internal and pinion together.
Last edited by raptorthumper on Tue Jun 15, 2010 7:24 am, edited 1 time in total.
98 GU Patrol. 4.0L Barra, BF engine. 3" Lift. 85% Marks reduction Gears. 35x12.5x15 Maxxis Bighorns, 3" Zaust.
http://www.outerlimits4x4.com/viewtopic.php?f=16&t=86831&start=210
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Post by B.D.R »

Any one got any idea on the cost of them? :D
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Post by Rhett »

Don't quote me but I think he has one set left on the shelf for around 14 grand give or take a grand.
Its a wheelbase thing
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Post by bj on roids »

Be cool to see a pic, even an installed pic to see the size etc...
hands and mums dont count!!!
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Post by B.D.R »

Rhett wrote:Don't quote me but I think he has one set left on the shelf for around 14 grand give or take a grand.
Thank's mate, i sent him an E-mail asking, but if thats the price then they wont be comming to Melbourne :cry:
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Post by Micka »

B.D.R wrote:
Rhett wrote:Don't quote me but I think he has one set left on the shelf for around 14 grand give or take a grand.
Thank's mate, i sent him an E-mail asking, but if thats the price then they wont be comming to Melbourne :cry:
I got a price 4 yrs ago and they were around 11-12k then so 14k now would be right.

But that also works out to over 3 sets of Mog diffs.
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Post by A.J. »

Or a set of Marks portals :armsup:
2001 GU Patrol DX wagon, TD42, Air Lockers, twin spare carrier, Barrett HF, 35" Treps, high pinion rear, Staun beadlocks, 60l Engel and more!
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Post by Micka »

A.J. wrote:Or a set of Marks portals :armsup:
Or over 3 sets of Mogs
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Post by Rhett »

Yuris are stronger thoe, mogs have only two gears. Thats twice the tooth contact, ease of getting air lockers centres no pinion coverstion, A lot shorterin the pinion wieght ect. But 14grand is a lot of money.
Its a wheelbase thing
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Post by BOOSTED GQ »

Rhett wrote:Yuris are stronger thoe, mogs have only two gears. Thats twice the tooth contact, ease of getting air lockers centres no pinion coverstion, A lot shorterin the pinion wieght ect. But 14grand is a lot of money.
Have you seen the size of the gears in mog reduction hubs, they are huge and I can vouge for the strenth of a mog diff and hubs,I have done some nasty things to them.
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