Series disc brake conversion

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Ah right I had heard to get the diff aligned you ended up 15 degrees out. I can't quite understand what you mean by set by the springs, it's dependant on the angle of the upper and lower swivel ball pivots. So if you twist your diff backwards you shift the castor further over centre.
 
Dive I see what you mean. I don't really do much in the way of machine work. Last time I used a lathe was last January when I did my power steering conversion.
 
aaronledwidge said:
Ah right I had heard to get the diff aligned you ended up 15 degrees out. I can't quite understand what you mean by set by the springs, it's dependant on the angle of the upper and lower swivel ball pivots. So if you twist your diff backwards you shift the castor further over centre.
Click to expand...

See my post (linky below) I'm currently in the process of doing the coiler axle conversion myself :)

Should give you a rough idea of what's involved in setting up a front axle at the bottom of the post.


http://www.landyzone.co.uk/lz/2873251-post153.html
 
aaronledwidge said:
Cheers rob, wow that's a dead easy job then. God knows what I was reading. What do ou do about steering arms?
Click to expand...

Yea......... That's a whole other problem! :(

There's a few ways round it though.

1. Pack the springs and use extended shackles so the original track rod clears the leaves.

2. Buy a lhd swivel knuckle so you can move track rod to the front of the axle and bolt drag link to the track rod.

3. Something I'm in the process of doing at the moment, is making the series steering arms fit the disco swivel knuckles. Is easier said than done though:eek:
So essentially retains the same steering setup as a series vehicle and doesn't mess with steering/axle geometry or angles :)
 
Very interesting post. I have been planing a disc brake conversion for my series 3 for a while. Do you know if your conversion will allow the fitting of standard wheels? Great post, keep it up.
 
I have always been happy with standard 11" set up, my series three stops very well and has a "good peddle". I rarely submerse them so would not consider disc set up.
The engineering challenge is something else having a well equipped workshop I can make most things and that is where the enjoyment is. I have a 1919 three wheel cycle car with Honda motorcycle discs discretely grafted on.
 
1619502_752986198046539_14794551_n.jpg





Normal tyres are ****
 
im not sure on standard wheels with my brakes but i also like the standard look, they fit under my 16 inch modulars ok ill have to see if i have a stock series wheel about to try against.
 
Right ill update with pics tomorrow but it looks like I'm going to need to turn my drums down as a wheel spacer.

Does anyone have a front stub axle I could buy? It needs to be an 80/81 plus one with the two same sized bearings
 
Right well i made a little more progress today, my bearings and bits turned up from paddocks so i got the hubs fitted and managed to track down my missing stub axle.

First i cleaned up the old hubs ready for the new bearings, cut the disc bolts down and thread locked them in place befre building the hubs up on the bench ready to be slotted on.

IMAG2915 by darransandwich, on Flickr


IMAG2916 by darransandwich, on Flickr

once i had them fitted i tried on the wheels but unfortunately with the caliper centred the rims fouled the caliper. I decided to turn the old ddrums into a spacer but as i couldnt get acess to a lathe this was quite a slow process although they turned out prety well and will do until i can make some better ones.

Thats whats left of the old drum

IMAG2920 by darransandwich, on Flickr
and the spacer on a spare hub.

IMAG2919 by darransandwich, on Flickr
Overall im pretty happy with how it turned out and it will do for now, here is how it looked finished.


IMAG2921 by darransandwich, on Flickr
 
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