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FT: Frame (Twin) New 7" Brake Shoes

timetraveller

Well Known and Active Website User
VOC Member
There was a time when replacement brake shoes for the post war bikes were difficult to source. I have been involved with the development of replacement shoes and a photograph is shown of the items. They are made of LM25 heat treated and several changes (hopefully improvements) have been made to the originals. They are stiffer than the originals by incorporating stiffening webs. They do not have the small tongues sticking out to take the springs. Instead they have robust through holes. In addition they do not have the dips at the end of the brake linings which allows a longer lining to be use if wished. They will be supplied in pairs only, complete with the spring and metal end plates (H48) fitted. The price, per pair is £80 and you can organise the fitting of your preferred linings if you wish. Alternatively, they can be supplied with linings suitable for touring use or alternatively for racing use if you wish. The price for touring linings fitted is about £12 per shoe.
1584699618857.png
 

oexing

Well Known and Active Website User
VOC Member
But what´s this good for,no benefit with hard springs at all ?? You don´t need more wire pull from these springs on the handle bar than from your carb slide return springs ? Sorry , I am very outspoken mostly to place my points but don´t accept facts often just "because we always did it like that " for no obvious reason - and often with poor ergonomics . The ridiculous rear main stand on the Vincent is one of these items and the company would have known better even then as some brands never ever had this nuisance.

Vic
 

Marcus Bowden

VOC Hon. Overseas Representative
VOC Member
Sorry, it's about brakes went off track, apologies, moderator sort it out, please.

(posts about rear stand have been moved to the General Chat forum - moderator)
 
Last edited by a moderator:

Peter Holmes

Well Known and Active Website User
VOC Member
I think Gregg is 100% correct, but even the cars that I cut my teeth on had hydraulically operated drum brakes and the pull off springs on those were also pretty strong, and I think with good reason, on my 1995 Vauxhall Astra van, a "mechanic" that was entrusted to install new rear brake shoes put in either to long or weak pull off springs, and the results were quite alarming, I went over some traffic calming speed bumps only to have the rear brakes slam on hard and rear of the van squat right down to the bump stops before bouncing back up again, this happened a few times before I returned the van to the main dealer Vauxhall garage, Pedestal, West Wycombe, no longer in business! Brakes shoes that don't pull off fully or grab are bloody dangerous, I think it is the self servo effect of the leading shoe.
 

oexing

Well Known and Active Website User
VOC Member
You certainly need return springs in brakes but just strong enough to do the job, not more, at no benefit. I am only judging from the photo and basically it is bad practice to have short springs , small diameter and heavy wire. Makes for high forces at small travel from installed length. You´d need hard springs in the rear brake with heavy boots on the brake lever or extra spring on the foot lever on some bikes. But I would most likely bin that spring in the front brake for a lighter type, no need for a hard action on the hand lever at all. Up to each owner for sure, just saying, we are here for discussions , I guess ?

Vic

(rear stand comments and photos moved to General Chat thread - moderator)
 
Last edited by a moderator:

timetraveller

Well Known and Active Website User
VOC Member
Short delay before posting. I was checking them out this morning and found that the heating process which bonds the linings on had distorted the pivot eyes enough that they were not a smooth fit on the pins. All will be reamed and tested again before shipping.:(
 

Peter Holmes

Well Known and Active Website User
VOC Member
Norman, Thank you for your candour, if such a small area as the pivot hole has distorted with heat, is it not likely that the rest of the shoe has also distorted in other areas. if you are reaming out metal to correct the distortion, will the pivot hole end up being oversize somewhere along the bored hole, or not at a 90 degree axis to the braking surface.
 

timetraveller

Well Known and Active Website User
VOC Member
Hi Peter. It is not as bad as it sounds. The shoes will actually go on the pins but are not free to turn easily. I think the amount being taken out by the reamer is a thou or two. Certainly it only requires a slight effort to move the reamer by hand. If you are not happy with them when they arrive then you will get a full refund, as will anyone else who is not satisfied.
 

timetraveller

Well Known and Active Website User
VOC Member
I am the chap supplying them but out of UK at the moment. As far as I know the next batch will be ready when I return. As far as satisfied users then others will have to reply to that. All the feedback I got was positive but let others give their views.
 

Matty

Well Known and Active Website User
VOC Member
I do not have an update on the new shoes because I had my front shoes relined with green woven material by Saftek for round about £50 the four..
They have now done around 200 miles and function much better than any of the other sets I have fitted in the last few years
The pivots in my old shoes are quite worn, but I think this allows some "float" and the cam to push the shoe along into better contact with the drum. I have also cut off about 25% of the cam end of each trailing lining to increase the leverage and allow for the higher wear rates of the leading shoes.
The more purist mechanical engineers may think my approach too pragmatic, but it has worked very well for my use of the bike and was simple to do.
Even so I would be interested in any constructive comments.
Matty
 

timetraveller

Well Known and Active Website User
VOC Member
Finally after many month of delay the new batch of brake shoes has arrived. I have not seen them yet but am told they are a few miles away. The main feedback I got from the first batch was from Greg Brillus who fitted a set for Peter Le Gros in OZ. Greg machined the linings to be a good fit in the brake drums and Peter has stated that they are the best brakes he has tried. So it seems that the combination of the longer brake linings, stiffer shoes etc is worth while. Please email me again if you have been waiting for these as most of the correspondence was months ago. I do have two recent request but if you have been waiting for months and not corresponded about these in the last week or so then please remind me at enw07@btinternet.com
 

timetraveller

Well Known and Active Website User
VOC Member
More new brake shoes. I have just heard that there will be a new batch of brakes shoes made to the same specification as the earlier ones. That is with longer brake linings and a stronger spring retaining hole. Some of you contacted me after the last batch and I could not supply you as I was keeping all the spares for my own use. All feedback so far has been positive so if you are still potentially interested now is the time to contact me. enw07@btinternet.com
 

RDB58

Website User
VOC Member
I sent my old brake shoes to Saftec on Friday and they said when I rang them, that they arrived Monday 4 May and will be shipped this week with Green woven linings which I hope to try for grip when I have fitted them.
Will have to sneak out to get some medication and milk at a service station 2 miles away - but this will hardly be far enough for them to bed in and for me to make a proper assessment.,
You can buy Brake Shoes from the VOC.
 

timetraveller

Well Known and Active Website User
VOC Member
At the moment they are listed as out of stock. The SC photograph shows standard shoes, not extended lining ones with a modified mount for the spring.. I am told that the batch currently under manufacture will be the last batch so please don't blame me if you want some in a few months time. Those who have contacted me already are on the waiting list.
 

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