[Healeys] Brake Drum balance -- was Wire Wheel Balancer
Bob Spidell
bspidell at comcast.net
Mon May 22 08:41:41 MDT 2023
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> 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>
>>
>> An: "Michael Salter" <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> 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
>> <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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