Subaru (R160 diff) Rear Locker project

dirtyRU said:
Your premium will probably be a minimum premium, ranging from $650-$1100 a year. I can't write anything in NC since i'm not licensed there, but i might just play around with a quote to give you a better idea.Without having all the overhead costs, i bet you could be real competitive ;)
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Cool, that's not really as bad as I suspected. I was thinking along the lines of $300-400 a month. Don't worry about taking it any further though, I was always curious and that fulfills my curiosity. Terrapondus Machine Works has always been, and will remain, an 'underground' entity.:twisted:

Barry said:
Would there be the same problem if just producing small numbers for friends - i.e. us - for 'proof of concept' / testing?
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In the states if you got hurt, killed, or your vehicle got damaged from something I made, you could sue me. Whether you won or not might depend on what kind of mood the judge was in that day, but yes, I could be held liable. Y'all just have to promise NOT to sue me if your rear diff blows up.:iconwink:
 
carljwnc said:
In the states if you got hurt, killed, or your vehicle got damaged from something I made, you could sue me. Whether you won or not might depend on what kind of mood the judge was in that day, but yes, I could be held liable. Y'all just have to promise NOT to sue me if your rear diff blows up.:iconwink:
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:rotfl: that got me laughing. The prototype or first build what ever you want to call it will be tested in a spare diff, so it doesnt matter if it blows up. And unlikely that it will kill someone at slow or medium offroad speeds.

But if something were to go wrong on the highway with the diff causing the subaru to crash, flip or roll then thats another story. It is going to be well tested before any production or sale goes forth.

The carrier of the sprider gears just needs to be recreated and I can quite simply do that once I get the measurements.

Taza
 
I´ll get one of these if they are getting into production :D

i can tell how it feels and sounds when a diff gives up and blows out! It was on a journey from kenya to tanzania and we were going 80km/h on a dirt road with a toyota hzj or bushtaxi ;) it made a very loud bang followed by the sound of the remains of the crankshaft smashing into the undercarriage like clonk clonk clonk

the solid axle had cracks in it and the crankshaft that goes into the diff was broken and flew away several meters... all the parts of the diff were scattered along the way we came but we could drive along with just front wheel drive ;)

i think something similar could happen to the forester but i dont see it rolling over or something as long as you dont panic :D
 
I have been designing a new carrier, I have already done a rough copy of the spider and ring gears. The pasts 2 weeks have gotten away from me though with the commuting, work and other things.

Taza
 
taza said:
I have been designing a new carrier, I have already done a rough copy of the spider and ring gears. The pasts 2 weeks have gotten away from me though with the commuting, work and other things.
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Taza,

2 or 4 spider gears?

I was looking on the net for designs since work's been so quite. I should have posted this ages ago, but this diff is one that has great reputation from what I've heard. Here's a flash player application that shows how the diff works:

https://www.mcnamaradiffs.com.au/difflockmech.html

Cheers

Bennie
 
It's gone a bit quiet in here lately. Would be very keen to hear any reports on this.
 
Sorry I must of posted over at AuSubaru and forgot to post here. There is some progress.

Quoted from myself over at AuSubaru.

taza said:
Ok, I have been slowly working on this during my spare time. I have come up with a carrier and a locking mechanism that should work. It will use a cable mechanism like the dual range lever in AWD Subies to engage and disengage it. It is nearly finished and would probably only take me 4 more hours of work and I would be ready to get a prototype physically built :mrgreen:

Only problem is that my hard drive on my computer with all my photos, music, documents, reciepts and this project was on there is dead.... Well kinda. Im in the process of getting it recovered. I do have a backups but its not the latest version of this project. The drive is recoverable but its going to take time and probably cost.
Just letting you guys know. I will say that many many censored words were yelled. I also now have quite a sore fist but atleast the brick wall is 100% fine :rolleyes:

Taza
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https://www.ausubaru.com/forum/showpost.php?p=173344&postcount=66

You can read what some of the guys over there have posted after I posted that here.

https://www.ausubaru.com/forum/showthread.php?t=19545&page=7


I am awaiting a cable I ordered on ebay to try and recover my data.


Cheers
Taza
 
taza said:
Sorry I must of posted over at AuSubaru and forgot to post here. There is some progress.

Quoted from myself over at AuSubaru.



https://www.ausubaru.com/forum/showpost.php?p=173344&postcount=66

You can read what some of the guys over there have posted after I posted that here.

https://www.ausubaru.com/forum/showthread.php?t=19545&page=7


I am awaiting a cable I ordered on ebay to try and recover my data.


Cheers
Taza
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That is excellent news on the project, but not so good news about your data. Good luck sorting that out.
 
Just by way of a price comparison, ... saw big@rse ARB Air lockers in the window of one of the Geelong 4x4 stores tonight. $1760 FFS.

Admittedly they are big bits of metal, and include the total diff, but at that price I' happy that Taz is working on this project, as ARB wouldn't be much of an 'option' even if they were prepared to manufacture for our Subis!
 
Well barry i can't comment on a price because I don't know what they will cost to manufacture.
I have been doing more stress testing with my inventor drawing and so far its not handling much. The locker within the diff itself keeps breaking. I will be posting pictures up of it in the next couple of days to give all you guys and the guys on AuSubaru an idea of what ive come up with so far.

Taza
 
taza said:
Well barry i can't comment on a price because I don't know what they will cost to manufacture.
I have been doing more stress testing with my inventor drawing and so far its not handling much. The locker within the diff itself keeps breaking. I will be posting pictures up of it in the next couple of days to give all you guys and the guys on AuSubaru an idea of what ive come up with so far.

Taza
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That must be annoying!

keep up the good work though mate.
 
taza said:
I will be posting pictures up of it in the next couple of days to give all you guys and the guys on AuSubaru an idea of what ive come up with so far.
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Will be interesting to see what you've come up with so far :)

Dulagarl said:
keep up the good work though mate.
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Ditto

Regards
Mr Turbo
 
Over on USMB someone's found out that the Alfa/Audi (can't remember :() Quattro has a manual rear locker in them from the factory. Only problem is that they run in the opposite direction to what we have in our subarus. And they're physically bigger partly due to the alloy casing rather than the heavy cast casing we have.

I'm keen to have a look at one to see what can be done with it - or have it as a bench ornament. Maybe find one yourself and have a gander at what Afla /Audi did with theirs, then see if you can use the same concept...

You'll get there mate, just need to keep chipping away at it!

Cheers

Bennie
 
Hi Taza,

How are those pics coming mate? :iconwink: I know it is the 'silly season', but thought I'd ask to give the thread a bump, anyway. :poke:
 
Barry said:
Hi Taza,

How are those pics coming mate? :iconwink: I know it is the 'silly season', but thought I'd ask to give the thread a bump, anyway. :poke:
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Sorry Barry I completely forgot. I have been talking with Elfreddo (Bennie) and after having heaps of issues im back to the drawing board. I do have a basis to work off though and am looking into the audi quattro idea aswell as phantom grip. Im just gonna keep poltting away through it and over christmas and newyears I have 3 weeks off so that will give me sometime to work on it :iconwink:
 
No worries Taza, just thought I'd ask.
Geez mate, 3 weeks off over Christmas - New Year, make sure you get out and have some fun - not just sitting on the computer! :raz:
 
^ Yeah, well I can't be at work because they are removing Asbestos from some of the school roofs.
Gonna be moving down to perth anyway for the start of uni too so its gonna be busy. Also have to ship off that gearbox to SUPERU when I get the chance over in the US (Dual Range gearbox :biggrin:).

Can't wait to get out in the car too and do some last dune and beach work before I move to the city. Won't be doing any 4x4ing for a while down there :( but anyway.

I will make sometime to work on the project.

Also Barry you have to post pics of your sports bar when you put it on, can't wait to see it :ebiggrin:

Taza
 
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