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

Wed May 17 18:11:30 MDT 2023

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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