[Healeys] Brake Drum balance -- was Wire Wheel Balancer
alfuller194 at gmail.com
alfuller194 at gmail.com
Wed May 17 01:23:34 MDT 2023
Mike – I would think that would be the likely explanation for having sections of the drum rim machined off.
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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 <mailto: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 <mailto: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 <mailto:manifold at telus.net> >; Healey List <healeys at autox.team.net <mailto: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 <mailto: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 <mailto: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 <mailto:manifold at telus.net> >; 'HealeyRick' <healeyrik at gmail.com <mailto:healeyrik at gmail.com> >
Cc: 'Healeys' <healeys at autox.team.net <mailto: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 <mailto: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 <mailto:healeyrik at gmail.com> >
Cc: Healeys <healeys at autox.team.net <mailto: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 <mailto: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 <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> &utm_source=newsletter&utm_medium=email
Rick Neville aka "HealeyRick"
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