Rear brake drums

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Rear brake drums

Postby 617sqn » Tue Feb 13, 2018 4:19 pm

Where can I get brand new drums ? Are there any "other car" equivalents ?

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Re: Rear brake drums

Postby John Ross » Tue Feb 13, 2018 4:52 pm

Andy, are they really bad ??

I know Dave has done it and I have done mine also.

I took them to the local engineering shop and had them skimmed/trued up to rthe hub. Made a HUGE difference.

Poor drum braking I am sure these days is mostly down to scored/pitted drums and poor surface/surface contact.

The ones on our 63 will be going for same treatment shortly.

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Re: Rear brake drums

Postby colimp66 » Tue Feb 13, 2018 5:29 pm

Apologies for jumping in here Andy but how much does it cost to have the drums skimmed John?
Could there be a discount for bulk skimming of drums perhaps?

I have the two for the rear of The Pest I was thinking about having done and the ones form the front as well.

Cheers
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Re: Rear brake drums

Postby bks974c » Tue Feb 13, 2018 5:34 pm

Had the same thought.

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Re: Rear brake drums

Postby 617sqn » Tue Feb 13, 2018 6:30 pm

Good thought. Do they need to be fitted to a spare hub, considering they are stud centric ?

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Re: Rear brake drums

Postby mikeyhearne » Tue Feb 13, 2018 6:37 pm

I have a machined rear hub that I bolt the drum to back to front to skim them .
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Re: Rear brake drums

Postby John Ross » Tue Feb 13, 2018 6:52 pm

Mikey

I did the same, I supplied a splined section split from a driveshaft that could be put on the lathe, couple of washers and nuts to hold down drum.

I had a friend at CPE round the corner do them for me, mates rates at £40 (some other bits done at same time)

Bill penman knows a company in Fife that does it regularly as a service but I would think any local machine shop could do it. Biggest issue is seemingly "ringing" so a small pattern can be left criss crossed at the edges.

Bob Picton (BobbyCham) that did the wiper finisher/seals has a machine shop and could probably do this if asked nicely :-D

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Re: Rear brake drums

Postby The Nun » Wed Feb 14, 2018 10:07 am

I got a pair of new drums from Speedy Spares not so long back but I see they dont list any now, whether its worth asking, they might have some come in they havent put on the list yet?
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Re: Rear brake drums

Postby tiker » Wed Feb 14, 2018 10:25 am

Ringing or vibrations eg marking is bad matching tell them to put plastercine round the outside are rubber bands and the ringing will disappear ( I've been an engineer for too long does nobody know this any more common knowledge when I was an apprentice
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Re: Rear brake drums

Postby John Ross » Wed Feb 14, 2018 3:16 pm

Gary

I didn't see any marks theys poke of, it was a comment they made when I handed them in and made the job sound simple, they advised not so much :-D

They are actually tool makers rather than a macghine shop ;-) but we used to have the 2 units next door to them

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Re: Rear brake drums

Postby tiker » Wed Feb 14, 2018 4:11 pm

Hi John if they ever have problems plastercine is great stuff we used to do long cylinder and always had a ball on to of the machine the apprentice was tasked to go get from the toy shop at weekends poor lad
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Re: Rear brake drums

Postby John Ross » Wed Feb 14, 2018 5:09 pm

tiker wrote:Hi John if they ever have problems plastercine is great stuff we used to do long cylinder and always had a ball on to of the machine the apprentice was tasked to go get from the toy shop at weekends poor lad


hehe, not sure thats allowed any more, seems tormenting the apprentices (uysed to be a right of passage) is not politically correct these days ! :lol: :lol:

The local company (Central Precision Engineering) is a small familly business, not Sure James will keep it going once his Dad eventually submits to retirement

Will be shame, so muche xperience now gone and no government support to take apprentices on (whats on offer if pitiful)

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Re: Rear brake drums

Postby 617sqn » Wed Feb 14, 2018 6:05 pm

I'm not sure it should be down to the government, John. Companies need to train their own people and not expect to employ experienced personnel all the time. We've stolen far too many from Europe as it is. Plus, the guys and girls need to WANT to be engineers in the first place. Many, like one of my own sons, didn't want to get his hands dirty. His apprenticeship lasted about 3 months before he decided a keyboard was beckoning.

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Re: Rear brake drums

Postby John Ross » Wed Feb 14, 2018 6:19 pm

617sqn wrote:I'm not sure it should be down to the government, John. Companies need to train their own people and not expect to employ experienced personnel all the time. We've stolen far too many from Europe as it is. Plus, the guys and girls need to WANT to be engineers in the first place. Many, like one of my own sons, didn't want to get his hands dirty. His apprenticeship lasted about 3 months before he decided a keyboard was beckoning.

Andy G


Andy

I know what you mean about the young peoples these days :( not all like that but mostly.

However most of the skill sets that would breed opportunity are all in SMEs where there is no latitude revenue wise without assistance to 1., dedicate an otherwise earning body to do the training and 2., funding to cover the trainees cost until they can contribute.

Its a very difficult catch 22 these days but the money invested to keep the young peoples in search for work could easily be diverted to put them into work without burdening the SME so much that they fail.

Its a beer discussion for sure that one :lol: :lol:

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Re: Rear brake drums

Postby tzarrobin » Mon Feb 19, 2018 5:32 pm

Hi Andy, I have some new brake drums if you still need them.

Cheers

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Re: Rear brake drums

Postby 617sqn » Mon Feb 19, 2018 5:43 pm

Ah. Mikey is/has asked his dad to spin some up from his stock. If this isn't a fact, then I'll get back to you Rob. Thanks.

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