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1st Dec 2020, 08:45 PM #1Diamond Member
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brake calipers with handbrake function
I have a cranvel fordson based tractor crane that i need to fix the brakes on. the original mechanical drum brakes have been replaced at some point with hydraulic drums from a early valiant, but they are totally stuffed. I'm planning to put disc brakes on it and would like to also have a mechanical handbrake function on the calipers, I'm sure some cars had this setup. does anyone on here know what makes and models may have had suitable calipers.
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1st Dec 2020, 09:29 PM #2
E series Falcon
https://www.ebay.com.au/itm/FORD-EA-...-/333669968321
Is there a reason you can’t use a disc with the park brake in the centre hub of the disc ?
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1st Dec 2020, 10:10 PM #3Most Valued Member
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If you've the room, you could use a mechanical calliper off a trailer.
KrynTo grow old is mandatory, growing up is optional.
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2nd Dec 2020, 06:32 PM #4Diamond Member
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2nd Dec 2020, 08:09 PM #5Golden Member
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Do you mean something like this.
https://www.huntsmanproducts.com.au/...k-brake-levers
Steve
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3rd Dec 2020, 08:29 AM #6Novice
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Google rear brake caliper and have a look at the pictures of calipers .A lot of makes use a mechanical hand brake built into the hydraulic caliper Mazda ,Nissan,VW .You will have to pick the one that will best work for you and is readily available
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3rd Dec 2020, 02:09 PM #7Intermediate Member
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Relatively modern 70 Series Landcruisers have rear disk brakes with an intergrated drum for the hand brake, something like that might be suitable.
Regards,
Creedy
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3rd Dec 2020, 03:05 PM #8Pink 10EE owner
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I have seen people use a large rock.
Gold, the colour of choice for the discerning person.
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3rd Dec 2020, 04:08 PM #9
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3rd Dec 2020, 04:22 PM #10Intermediate Member
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3rd Dec 2020, 06:00 PM #11Diamond Member
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3rd Dec 2020, 09:16 PM #12
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18th Dec 2020, 06:25 PM #13New Member
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The Nissan Skyline / Pintara R31 series from the mid to late 80s had a mechanical handbrake that operated directly on the disk pads. These are popular for older cars being converted from drum brakes to a disk.
https://www.datsport.com/brake-rear-...r-DBP2690.html
If you are planning on using the original master cylinder check that is doesn't have a residual pressure valve fitted. The residual pressure is used on some drum brake setups to counterbalance the springs on the brake shoes, but will prevent the disk pads from fully retracting from the disk.
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19th Dec 2020, 02:38 AM #14
Our Subaru Brumby has front disks with the parking brake integrated in the caliper cylinders. They work on a coarse thread system to give the required force. Not sure if they are too small for your application (the Brumby is a lightweight ute), and our '88 model has vented disks and our spare '82 has thinner solid disks....
Cheers, Joe
retired - less energy, more time to contemplate projects and more shed time....
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21st Dec 2020, 11:42 PM #15Most Valued Member
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As many have posted, brake calipers with integrated park brakes are not uncommon and many cars have utilised them, albeit with varying degrees of success. One nasty habit that they do have is slipping when the park brake is applied to a hot disc and the disc then shrinks as it cools. Probably not an issue in your case though. They are known to be temperamental buggers once a bit of wear and tear comes into play in the park brake mechanism as well. I have a car fitted with them and I'm less than impressed with them overall. The service brake side works fine, but the park brake side of things could be better. The suggestion of using a separate cable operated caliper as a park brake could be well worth exploring.
Given that the crane is Fordson based, is there any particular reason that you do not put it back to standard Fordson brakes? Tractor parts are generally plentiful and pretty cheap into the bargain.
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