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 Post subject: Rear Engine / Hand Brake
PostPosted: Sat Aug 04, 2007 1:57 pm 
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998cc
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Joined: Sun Nov 06, 2005 5:41 pm
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Location: Adelaide
I have a car with a mini engine and subframe assembly in the rear.
All is well except I need to sort out a mechanicaly operated hand brake.
I can fit Cooper S disks or mini drum brakes on the rear, but need to incorporate the hand brake.
Anyone aware of a disk brake caliper with hand brake that may fit the mini uprights?
I want to stick with the 10 inch wheels as I have a set of Dunlop mags.
Any ideas???


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 Post subject:
PostPosted: Sat Aug 04, 2007 3:46 pm 
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Location: Northern NSW
What's your car ? I'm (slowly :? ) rebuilding the fang below in the sig , my plan is to modify a rear brake backing plate by enlarging the hole in the middle so the drive shaft fits and bolting it on the front hub (now at the rear) . I haven't been able to find any calipers that fit in order to fit discs at the back though after reading Hanra's Honda brake conversion a while ago it would be possibel to use other callipers with an adapter plate on drum hubs . I have some Toyota Corolla Seca callipers for future use for this but am working out the rear backing plates onto front hubs first . Not sure if Morris Minor rear backing plates can be modified easier though as I believe tehy used the same size drum .

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 Post subject:
PostPosted: Sat Aug 04, 2007 4:55 pm 
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1275cc
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Location: Gulgong
If the question is about the mechanics of making a handbrake work on disks then a hydraulic handbrake is the go. Fairly common conversion amongst motorkanarist's and mini rallyists years ago. I believe there are still a few cars about with that conversion.


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 Post subject:
PostPosted: Sat Aug 04, 2007 5:02 pm 
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998cc
998cc

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Location: Adelaide
The car is a twin engine mini, or twini mini.
I have currently fitted rear backing plates to the hub by turning out the centre hole.
I can use the standard cable, however it runs up and down, not front to back, because the backing plate is at 90 degrees.
I think the original 850 backing plate would do the same job.
Hydraulic handbrake would be easy, however I don't belive this would pass the engineers as it is not independent.


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 Post subject:
PostPosted: Sat Aug 04, 2007 5:05 pm 
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1275cc
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Location: Gulgong
Have a look at discs on trailers particularly small wheeled boat trailers.


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 Post subject:
PostPosted: Sat Aug 04, 2007 5:06 pm 
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A hydraulic handbrake is not legal for road use.
You must have a mechanically locking system and hydraulics do not pass.


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 Post subject:
PostPosted: Sat Aug 04, 2007 5:14 pm 
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1275cc
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Location: Gulgong
Okay meant to add "cable operated" disc brakes on trailers.


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 Post subject:
PostPosted: Sat Aug 04, 2007 5:15 pm 
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OK , sounds fun . Fangs when new had the rear backing plate mounted like I described .

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 Post subject:
PostPosted: Sat Aug 04, 2007 5:16 pm 
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1275cc
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Joined: Tue Dec 14, 2004 9:38 am
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Location: Adelaide, South Australia
I might have some calipers here that bolt onto a mini upright.
and have the handbrake mechanism built in
all depends on the size of your rotors

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 Post subject:
PostPosted: Sat Aug 04, 2007 5:19 pm 
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What are they Steve ? If there's something available for a reasonable price (I.e, not billet competition only stuff) I could be tempted to go 4 wheel discs earlier than intended .....

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 Post subject:
PostPosted: Sat Aug 04, 2007 5:22 pm 
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1275cc
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i have two different calipers to try...
will take them off and do an eyeball inspection during the week.

someone remind me later to post the results

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 Post subject:
PostPosted: Sat Aug 04, 2007 6:20 pm 
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Location: Wodonga - Vic/NSW border
these are off a Honda CRX, just about any honda with rear disks from '88 onwards has the same ones.

very nice pad coverage over a mini 7.5" rotor, and has plenty of room under a stock Cooper S rim as you can see

I was quoted $33 each from a wreckers in Melbourne

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 Post subject:
PostPosted: Sat Aug 04, 2007 8:16 pm 
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998cc
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Hi skssgn, The calipers look good inside the rim. Have you tried them against the cooper s uprights???


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 Post subject:
PostPosted: Sat Aug 04, 2007 8:32 pm 
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Um, can we see some pics of this vehicle..?

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 Post subject:
PostPosted: Sat Aug 04, 2007 8:43 pm 
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1098cc
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Joined: Fri Jan 14, 2005 9:08 pm
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Location: Bris Vegas Occupation: Engineer
Suzuki GTI rear calipers?

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