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fastcarl

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Fastest A Series Mini in the World

leeds/wakefield.



On 1st Mar, 2009 mini13 said:
ah but how much stronger is ti,


a fair bit, but more importantly a vastly superior fatigue resistance,

Edited by fastcarl on 1st Mar, 2009.

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paul wiginton
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Go on then Carl, how much are ti hubs?

I seriously doubt it!


SidewaysGTM

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On 1st Mar, 2009 turbocox said:
Paul,

I think Neil runs these on the GTM


Nope, I dont like them, they wont be stiff enough in my eyes, Upright stifness/suspension arm stiffness is very importnat to how a car feels/handles. the upright will need a complete redsign to work in alloy

I have the alloy drive flanges on the front thats prob what your thinking of stuart only due to them not seeing any driven loads will never put them on the rear.

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Got A GTM With A Honda In the Back, and huge Nitrous bottle where the passenger seat should be when racing!

On 19th Oct, 2009 Nic said:
Ill donate to the cause if you can make it do wheelies!!


SidewaysGTM

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On 1st Mar, 2009 paul wiginton said:
Go on then Carl, how much are ti hubs?



yeah how much ???

Got A GTM With A Honda In the Back, and huge Nitrous bottle where the passenger seat should be when racing!

On 19th Oct, 2009 Nic said:
Ill donate to the cause if you can make it do wheelies!!


Sprocket

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I'd say about £500 each *tongue*

On 26th Oct, 2004 TurboDave16v said:
Is it A-Series only? I think it should be...
So when some joey comes on here about how his 16v turbo vauxhall is great compared to ours, he can be given the 'bird'...


On 26th Oct, 2004 Tom Fenton said:
Yep I agree with TD........


Ben H

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On 1st Mar, 2009 fastcarl said:
not forgetting that the thermal expansion of aluminum is far greater than steel , so if a great deal of heat were to build up , the bearing race outer may well loosen,as happens on alloy rear hubs .
Titanium on the other hand has a much smaller thermal expansion , so no such problems,


carl

carl


That is why on ally hubs you have to heat the things up to get the bearings in an out.

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slater

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why not fab some steel ones? got to be lighter then cast ones. Could you make the steering arms integeral to loose even more?


paul wiginton
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On 2nd Mar, 2009 slater said:
why not fab some steel ones? got to be lighter then cast ones. Could you make the steering arms integeral to loose even more?


If I fab some myself theyll be ti or alloy

Paul

I seriously doubt it!


Miniwilliams

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My little worry would be that it's what holes every thing in place, and isn't the sort of part you need to let go of brake because it was made light weight and not stong enough.

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madcatminis

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Talking about the strength. If I was to make my own out aluminium or titanium it would be titanium hands down. I work in aerospace and can tell you that no where in a jet engine is an aluminium componant as they can not take the stresses that titanium can. The thing you have to watch with titanium is excessive heat while working it. Discolouring it with ie grinding, will locally weaken it in the discoloured area. Put it this way it's gonna be a bitch it get right and cost a forture. *tongue*


madcatminis

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Wow!!! just noticed that those hubs a few post up are Titanium. Excellent work whoever made them looks like a lot of cnc machining and some enclosed argon filled tig welding. *Clapping*


fastcarl

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leeds/wakefield.




On 3rd Mar, 2009 madcatminis said:
Wow!!! just noticed that those hubs a few post up are Titanium. Excellent work whoever made them looks like a lot of cnc machining and some enclosed argon filled tig welding. *Clapping*



Correct,
Correct,
Incorrect,
Correct,

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turbodave16v
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Let me try!





Wow!!! just noticed that those hubs a few post up are Titanium. Excellent work whoever made them looks like a lot of manual machining and some enclosed argon filled tig welding. *Clapping*



How'd I do?

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


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Joe C

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Carlos Fandango

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you forgot hacksawing and chisling lol

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

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fastcarl

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Fastest A Series Mini in the World

leeds/wakefield.




On 3rd Mar, 2009 TurboDave said:
Let me try!





Wow!!! just noticed that those hubs a few post up are Titanium. Excellent work whoever made them looks like a lot of manual machining and some enclosed argon filled tig welding. *Clapping*



How'd I do?



manual butchering, if you don't mind.lol.

and you are still alive, !!!!

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turbodave16v
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On 1st Mar, 2009 paul wiginton said:

But KAD said that they scrapped all their first batch of these cos they were a direct copy of the original part in alloy and werent strong enough.


Thinking....
Is it just me, or is something not right with this statement? Why would anyone, especially a company, go to the effort of replicating in CAD, developig toolpaths / fixturing, and then machining, before realising they weren't strong enough? Surely FE analysis would have been don - or even an idiot eye looked over to realise it wouldn't work?

It took me only a short time to get a pretty good swag at the tensile propeties of Cast Steel to compare to a potential 'replacement' part in alloy, I'm sure a company like KAD could easily do some destructive testing to get some real-word data instead of my guesses as well?

Now, I don't know what 7075 we're talking - hopefully not plain - it certainly looks like the 'daddie' when used with the right temper but is clearly a swine to machine as well...

I personally don't know why the minisport hubs were basically 'replicating' the stock hub. I'd have started from scratch around 6061-T6 and designed the thing to do the job from the outset - AND made them un-handed of course to keep the costs down as someone else pointed out.

On 17th Nov, 2014 Tom Fenton said:
Sorry to say My Herpes are no better


Ready to feel Ancient ??? This is 26 years old as of 2022 https://youtu.be/YQQokcoOzeY



fastcarl

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Fastest A Series Mini in the World

leeds/wakefield.

KAD early hubs were cast alloy , and had some kind or rod end mounts vertically orientated, iirc .

Dave 7075 in T6 is a dream to machine, but can be piss taking expensive ,

and i don't think the handing of them is a problem as you will know you can just reverse the design on the computer program,

when i make mine its no big deal to fit the caliper lugs on either side , the jigs made for it,

Edited by fastcarl on 3rd Mar, 2009.

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graemec

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I think KAD are still using a cast design whereas MiniSport's are machined billet.

From the KAD forum: KAD have discovered some problems in testing but are not divulging what they are as MiniSports design is too similar, they'd rather MiniSport found the problem themselves (or more likely copy the redesigned item!).

I believe KAD will be running more testing as the new race season starts, hoping to get their hubs on the market in the middle of the year.


Rob H

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On 4th Mar, 2009 graemec said:
From the KAD forum: KAD have discovered some problems in testing but are not divulging what they are as MiniSports design is too similar, they'd rather MiniSport found the problem themselves .


Is it me or is that boarder line negligence?

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fastcarl

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6965 Posts
Member #: 507
Fastest A Series Mini in the World

leeds/wakefield.




On 4th Mar, 2009 Rob H said:
On 4th Mar, 2009 graemec said:
From the KAD forum: KAD have discovered some problems in testing but are not divulging what they are as MiniSports design is too similar, they'd rather MiniSport found the problem themselves .


Is it me or is that boarder line negligence?


no ,its called keeping what you know to yourself,lol

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Joe C

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Carlos Fandango

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also called darwinism,

if someone is supid enough to copy an unfinished design with out proving it then they deseve to exit the gene pool.

On 28th Aug, 2011 Kean said:
At the risk of being sigged...

Joe, do you have a photo of your tool?



http://www.turbominis.co.uk/forums/index.p...9064&lastpost=1

https://joe1977.imgbb.com/



slater

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Generaly buying from minisport is natural selection in action anyway...


fastcarl

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Fastest A Series Mini in the World

leeds/wakefield.




On 4th Mar, 2009 slater said:
Generaly buying from minisport is natural selection in action anyway...


LOL

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GaryOS

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On 4th Mar, 2009 slater said:
Generaly buying from minisport is natural selection in action anyway...


I'm sigging that!

On 12th Nov, 2009 Paul S said:

I think Gary OS has taken over my role as the forum smart arse *happy*


On 30th Apr, 2010 Rod S said:
Gary's description is best


MadMatt

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On 3rd Mar, 2009 fastcarl said:



On 3rd Mar, 2009 TurboDave said:
Let me try!





Wow!!! just noticed that those hubs a few post up are Titanium. Excellent work whoever made them looks like a lot of manual machining and some enclosed argon filled tig welding. *Clapping*



How'd I do?



manual butchering, if you don't mind.lol.

and you are still alive, !!!!


Carl, we have a panel beater/painter shop down the road from us called "B&M Body Works",,, ((we call it "Bash & Mangle")) & his most famous saying is --> "We might be rough but at least we`re expensive"

*smiley*

& i`d really like to talk with you about making a Ti Down Hill Mountain bike frame for me???????

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