[Healeys] Brake Drum balance -- was Wire Wheel Balancer

Mon May 22 12:39:22 MDT 2023

Exactly the same ridge machined off my rear drums.  Not to worry about the
fronts though as I have converted to disc.
Mike MacLean

On Mon, May 22, 2023 at 10:51 AM Michael Salter <michaelsalter at gmail.com>
wrote:

> Yes the rears of my BN2 are done the same way and when I checked them they
> were each within 1 oz.
> Not so much the fronts which were out by more than 2 oz which was
> attributable to an inconsistency in the cross section of that inner rib.
> I tried machining it to correct this but it is extremely hard so I used a
> grinder to remove material from the inside of the rib which has worked well
> and is not visible when the drum and wheel are installed.
>
> M
>
> On Mon, May 22, 2023 at 11:26 AM Bob Spidell <bspidell at comcast.net> wrote:
>
>> Here's a shot of removed metal on one of my BN2's drums (cut at about 9
>> o'clock). This was done so cleanly I've always assumed it was done at the
>> 'factory.'
>>
>>
>> On 5/19/2023 9:54 AM, Perry Small via Healeys wrote:
>>
>> Listers
>> If you look at the drums you will see areas that were ground off to
>> balance the drums.
>> I have given away all my spare parts so I do not have a good example to
>> photograph.
>> Perry
>>
>>
>> Sent from my iPhone
>>
>> On May 19, 2023, at 2:19 AM, josef-eckert--- via Healeys
>> <healeys at autox.team.net> <healeys at autox.team.net> wrote:
>>
>> 
>>
>> Good question Bob! I doubt they have done it and the cars were running
>> anyway.
>>
>> Thanks,
>>
>> Josef
>>
>>
>>
>>
>>
>>
>>
>> -----Original-Nachricht-----
>>
>> Betreff: Re: [Healeys] Brake Drum balance -- was Wire Wheel Balancer
>>
>> Datum: 2023-05-19T07:56:40+0200
>>
>> Von: "Robert Parker via Healeys" <healeys at autox.team.net>
>> <healeys at autox.team.net>
>>
>> An: "Michael Salter" <michaelsalter at gmail.com> <michaelsalter at gmail.com>
>>
>>
>>
>>
>>
>>
>> Has anyone bothered to check whether the factory ever balanced the drums
>> or even worried about it? It’s not that I don’t care, it’s just I’d like to
>> know if anyone has heard of that happening at the factory. Bob, 61BT7.
>>
>> Sent from my iPhone
>>
>> On May 17, 2023, at 8:32 PM, Michael Salter via Healeys
>> <healeys at autox.team.net> <healeys at autox.team.net> wrote:
>>
>> With all this noise about balancing brake drums I thought I had better
>> take a look at the ones on my BN2.
>> I'm in the process if machining them back to  balance now.
>> Bit of a task on my 12" lathe but it's happening.
>>
>> On Wed., May 17, 2023, 8:46 p.m. Michael MacLean via Healeys, <
>> healeys at autox.team.net> wrote:
>>
>>> Don't grind it. Have it machined off.
>>> Mike MacLean
>>>
>>> On Wed, May 17, 2023, 6:58 AM Richard Kahn <tahoehealey at hotmail.com>
>>> wrote:
>>>
>>>> Hendrix welded more material to my drums as needed and it seems to have
>>>> worked fine. I would not like grinding off material as it might affect the
>>>> integrity of the drum by making it thinner, effecting the heat distribution
>>>> and strength.  Just some rambling from someone who doesn't know what he is
>>>> talking about.
>>>>
>>>>
>>>> ------------------------------
>>>> *From:* Healeys <healeys-bounces at autox.team.net> on behalf of
>>>> alfuller194 at gmail.com <alfuller194 at gmail.com>
>>>> *Sent:* Wednesday, May 17, 2023 12:23 AM
>>>> *To:* 'Michael MacLean' <springer.mike51 at gmail.com>
>>>> *Cc:* 'Healey List' <healeys at autox.team.net>
>>>> *Subject:* Re: [Healeys] Brake Drum balance -- was Wire Wheel Balancer
>>>>
>>>>
>>>> Mike – I would think that would be the likely explanation for having
>>>> sections of the drum rim machined off.
>>>>
>>>>
>>>>
>>>> ----------------
>>>>
>>>> All the best,
>>>>
>>>>
>>>>
>>>> Al Fuller
>>>>
>>>>
>>>>
>>>> *From:* Michael MacLean <springer.mike51 at gmail.com>
>>>> *Sent:* Tuesday, May 16, 2023 2:47 PM
>>>> *To:* alfuller194 at gmail.com
>>>> *Subject:* Re: [Healeys] Brake Drum balance -- was Wire Wheel Balancer
>>>>
>>>>
>>>>
>>>> Al, list,
>>>>
>>>>      The drums for my BN2 has sections of the raised rim machined off.
>>>> Does this mean my drums were balanced in the past?
>>>>
>>>> Mike MacLean
>>>>
>>>>
>>>>
>>>> On Tue, May 16, 2023, 2:30 PM <alfuller194 at gmail.com> wrote:
>>>>
>>>> Bob:  If you are wondering about brake drum balancing methods, you may
>>>> be interested in the two methods used on my Healeys.
>>>>
>>>>
>>>>
>>>> One shop trimmed off the fins as needed to balance the drums, one
>>>> needing more trimming than the other – but they both came out well.
>>>>
>>>>
>>>>
>>>> A different shop welded rod material onto my current BJ-8’s drums to
>>>> balance them. I think these drums were more out of balance than on prior
>>>> cars. They were careful to call me ahead of the operation to ask how much
>>>> clearance I had between the wheel and drum, and I was able to take them a
>>>> wheel and hub so they could see how it all fit together.  The results are
>>>> just fine, also.
>>>>
>>>> ----------------
>>>>
>>>> All the best,
>>>>
>>>>
>>>>
>>>> Al Fuller
>>>>
>>>>
>>>>
>>>> *From:* Healeys <healeys-bounces at autox.team.net> *On Behalf Of *Bob
>>>> Haskell via Healeys
>>>> *Sent:* Monday, May 15, 2023 2:36 PM
>>>> *To:* Harold Manifold <manifold at telus.net>; Healey List <
>>>> healeys at autox.team.net>
>>>> *Subject:* Re: [Healeys] Wire Wheel Balancer
>>>>
>>>>
>>>>
>>>> Harold,
>>>>
>>>> How did you balance the drums - add or remove material? Care to provide
>>>> any details?
>>>>
>>>> Bob Haskell
>>>>
>>>> Austin-Healey 3000 roadster registrar
>>>>
>>>> On 5/15/23 11:32, Harold Manifold wrote:
>>>>
>>>> Another consideration for balancing the rear tires is the brake drums.
>>>> I have the original BMC brake drums and was surprised at how out of balance
>>>> they were. I static balanced the brake drums to go with the
>>>> separately balanced wheels and tires. No vibrations, shimmies or skuttle
>>>> shakes so far.
>>>>
>>>>
>>>>
>>>> Harold
>>>>
>>>>
>>>>
>>>> On Mon, May 15, 2023 at 12:34 AM <greylinn at ozemail.com.au> wrote:
>>>>
>>>> Here in Brisbane there’s at least one place (near me) that does on-car
>>>> balancing. The wheels on my 100 don’t have a central hole, so can’t be
>>>> balanced on a regular machine. That said, the last set of Khumo Ecowing
>>>> ES31s I bought are fine with no balancing!
>>>>
>>>>
>>>>
>>>> Peter Linn
>>>>
>>>> Brisbane
>>>>
>>>> BN1 Holden V6
>>>>
>>>> MG TC special
>>>>
>>>>
>>>>
>>>> *From:* Healeys <healeys-bounces at autox.team.net> *On Behalf Of *m.g.sharp---
>>>> via Healeys
>>>> *Sent:* Monday, May 15, 2023 1:07 PM
>>>> *To:* 'Harold Manifold' <manifold at telus.net>; 'HealeyRick' <
>>>> healeyrik at gmail.com>
>>>> *Cc:* 'Healeys' <healeys at autox.team.net>
>>>> *Subject:* Re: [Healeys] Wire Wheel Balancer
>>>>
>>>>
>>>>
>>>> I made up my own adaptor using a used hub and knock-off (spinner).  I
>>>> had a machinist mount the hub on the lathe and ensure that it was true on
>>>> the inside edges (where the bearings fit) and had him put a slight chamfer
>>>> on the edges to provide better registration for the standard cones on a
>>>> modern balancer.  Then we machined the centre out of the spinner so  that
>>>> when the wheel is mounted on the hub and the spinner is tightened, the
>>>> outer cone on the balancer fits through it and registers on the hub.  That
>>>> part is a little tricky as if you machine the hole too big, the spinner
>>>> will end up in two pieces – measure carefully!  Hub and spinner was $25 at
>>>> a swap meet and machining was $50.  I believe this adaptor will work on any
>>>> post-war wire wheels except the Jags, which had different hubs.  Worked a
>>>> treat on my TC wheels.  Healey is running vibration-free- so leaving it
>>>> alone for now.
>>>>
>>>>
>>>>
>>>> I too liked on-wheel balancing and in my simple thinking it balanced
>>>> the drum or disk at the same time – as long as you remembered to mark the
>>>> position of the wheels when you took them off and did not rotate them (to a
>>>> different position on the car)!  That is likely one reason  they are not
>>>> used anymore, because if your drums were out of balance and you added
>>>> weights to the wheel that balanced them out, then every time you removed
>>>> the wheel, you’d loose the balance, unless it went back in exactly the same
>>>> position.   Anyhow it’s a moot point as I have not seen an on-wheel
>>>> balancer for decades.   I imagine that disks run very true anyhow, but when
>>>> I balanced the drums on the TC  they were significantly off.  I hear
>>>> balancing Healey drums brings good results, but never felt the need as my
>>>> BT7 has always run pretty smooth.  If anyone in Ontario (Canada) wants
>>>> drums balanced, Garland and Sons in Scarborough did great work for me.
>>>>
>>>>
>>>>
>>>> Mirek
>>>>
>>>>
>>>>
>>>> *From:* Healeys <healeys-bounces at autox.team.net> *On Behalf Of *Harold
>>>> Manifold
>>>> *Sent:* Thursday, May 11, 2023 11:35 AM
>>>> *To:* HealeyRick <healeyrik at gmail.com>
>>>> *Cc:* Healeys <healeys at autox.team.net>
>>>> *Subject:* Re: [Healeys] Wire Wheel Balancer
>>>>
>>>>
>>>>
>>>> It looks like the kit is designed to follow the Dunlop/MWS
>>>> recommendations for balancing. See attached. It should be a good piece of
>>>> kit.
>>>>
>>>>
>>>>
>>>> Harold
>>>>
>>>>
>>>>
>>>> On Thu, May 11, 2023 at 8:28 AM HealeyRick via Healeys <
>>>> healeys at autox.team.net> wrote:
>>>>
>>>> AH Spares just sent out this email about a wire wheel balancer kit to
>>>> mount the wheels on a modern balancing machine.  What are your thoughts?
>>>> https://www.ahspares.co.uk/austin-healey/big-healey/wheels/wire-wheel-balancing-kit.aspx?utm_medium=email-1st&utm_source=newsletter&utm_medium=email
>>>>
>>>>
>>>>
>>>> Rick Neville aka "HealeyRick"
>>>>
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