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5 Link Baby Atlas Or Ford Irs On My Mini Pros And Cons


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#1 Wreckitralph1

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Posted 01 February 2020 - 09:20 PM

as above i was toying with the idea of fitting sierra 2 wd cossie rear subframe as running a redtop at front but rwd  the chassis i have runs a baby atlas axle 5 link   now i was thinking the sierra may be superior but ive found quite a few pics of race sierras running an atlas axle   so seems like its an upgrade  any thoughts 



#2 Tupers

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Posted 01 February 2020 - 10:40 PM

Depends what you’re plant on using the car for.

Straight axles are generally stronger as the power has fewer joints to go through and are good on smooth surfaces but aren’t ideal on high speed bumps.
If you’re building a high power drag racing car you really want the axle.

Independent suspension if more tuneable and better over an uneven surface but the 4 extra CV joints are extra things to wear and break.
If you’re building a circuit racing car you should probably go with independent suspension.


You should also consider that if you’re putting that much effort into a build would you be better of building on a platform more suited to rwd and power like a Locost or Dax.

#3 nicklouse

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Posted 01 February 2020 - 10:42 PM

build a suitable chassis and then drop a mini upper body on it or dont bother.



#4 Avtovaz

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Posted 01 February 2020 - 11:36 PM

sierra stuff is good but the 5 linked atlas is a well known quantity. Id stick with what you have defo. The mk2 escort still is a winning quantity, even after all these years in rallying...

 

 

what is the car for and what is the front suspension?



#5 Wreckitralph1

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Posted 02 February 2020 - 12:01 AM

i was thinking of hill climb as i dont think it would pass an iva altho that being said the 6r4 replica guys dont seem to have any issues getting their cars legal through iva and they pretty much do as ime doing except for the frame wich is built from scratch but theu use many different engines and suspension so cant be a set plan 

 

well ive taken a short cut in terms of chassis so its a kit car chassis with 5 link rear  at the moment   [i had planned on using sierra and strengthening the shell adding strut mounts ect] but this came up very easily adapted to fit the mini shell onto as its narrow its currently running i think a cortina mk5 front clip with struts again very easily changed  and will be as its just box section   the chassis needs to be very slightly shortened to match the minis wheel centre to centre and due to it being narrow it can be tied into a box section under the doorstep of the mini tub wich i already had in place  i will be adding and altering  it to suit and to pretty it up


Edited by Wreckitralph1, 02 February 2020 - 11:21 AM.


#6 Wreckitralph1

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Posted 02 February 2020 - 12:10 AM

example of the box section under and along the step/cill

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#7 Avtovaz

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Posted 02 February 2020 - 12:22 AM

rear end if set up correctly willbe fine, the tina stuff was popular as it was "modular"

 

 

what was the kit car ?

 

6r4 are build to a know plan too



#8 Wreckitralph1

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Posted 02 February 2020 - 12:27 AM

it was a ford based jc midge a little agricultural in design but i can work with that no problems

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Edited by Wreckitralph1, 02 February 2020 - 12:28 AM.


#9 Wreckitralph1

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Posted 02 February 2020 - 11:04 AM

https://l.facebook.c...SkFZFtZrXpvwPkv

 

that all seems common sense as well


Edited by Wreckitralph1, 02 February 2020 - 11:16 AM.


#10 Wreckitralph1

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Posted 02 February 2020 - 11:15 AM

build a suitable chassis and then drop a mini upper body on it or dont bother.

whats suitable in your eyes may not be in mine and vice versa



#11 nicklouse

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Posted 02 February 2020 - 11:40 AM

 

build a suitable chassis and then drop a mini upper body on it or dont bother.

whats suitable in your eyes may not be in mine and vice versa

 

Suitable or not. The mini shell although  very stiff as a whole unit is not when you start cutting parts out. So as I said make a suitable chassis and drop the body on top. Maybe even one of the fiberglass ones. 
 

fir hill climbing you will be in the sports libre class which is basically anything goes. So there will be the Mitsubishi Mini to race against. 4wd and a turbo......



#12 Wreckitralph1

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Posted 02 February 2020 - 12:08 PM

yes i know how much they shift with parts replaced  i have had the shell set up level welded in braces cut sections out my lad hasmoved/shunted it to the side to get the bike out and its moved dimension wise quite a lot of work to get it back in  shape  done now and a large lock on the door   its not about winning anything its more about the journey of getting it there  and having a bit of fun building something and  to be honest after being in a mini  with 192bhp it scared the life out of me that motsubishi sounds a beast



#13 panky

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Posted 02 February 2020 - 12:21 PM

I've got the paper plans for a Midge



#14 nicklouse

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Posted 02 February 2020 - 12:23 PM

yes i know how much they shift with parts replaced  i have had the shell set up level welded in braces cut sections out my lad hasmoved/shunted it to the side to get the bike out and its moved dimension wise quite a lot of work to get it back in  shape  done now and a large lock on the door   its not about winning anything its more about the journey of getting it there  and having a bit of fun building something and  to be honest after being in a mini  with 192bhp it scared the life out of me that motsubishi sounds a beast

And then there is the Quattro Mini. 800 odd horses.



#15 Wreckitralph1

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Posted 02 February 2020 - 01:42 PM

I've got the paper plans for a Midge

ide be intersted to see thos if at all possible there is a midge website/owners club but not sure how lively it is from what i read there arent any ford based ones tey normaly use herald stuff dont they






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