Page 3 of 12 FirstFirst 12345 ... LastLast
Results 21 to 30 of 112

Thread: Wheel balancing - dynamic balancing weights

  1. #21
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    Adding some info in case unfortunate owners of static balancers are having trouble balancing their wheels.

    For a static wheel balancer to work accurately, the wheel must be perfectly centred on the balancer and the cone of the balancer must be perfectly concentric to the support pin. The type of balencer I am referring to is where the wheel is placed horizontally on a pin supported cone and the balancer has a bubble in its centre. These are made in a far away land and sold in the UK for above £40 each.

    For a 6 kg 15” wheel such as a front wheel for a Smart 450, a centring error of 1 mm results in a balancing weight error of 32 grams. 0.5 mm off centre gives balancing error half of that hence 16 grams. The balancing problem is further compounded due to resulting error in position on rim where weight is placed. Turn wheel 90 degrees and both weight and position are different. A waste of time these static balances. Much better using dynamic Steel BBs.
    Drives a Smart Cdi - 65 to 85 MPG

  2. #22
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,383
    Thinking as one does about things that really don't deserve thinking about.

    If one straps a camera and a strobe looking at your wheel and have a sensor somewhere on the chassis, maybe front suspension components, it should be possible to find the area of imbalance as one drives giving a proper balance that accounts for suspension components too.

    ATS used to have a balancer that you pushed against the wheel while it was jacked off the floor and spun by the balancer. I haven't seen one like that for 40 years though, I don't know if they still make or use them.

  3. #23
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    One can always fill an handful of BBs into ones tyres and hope for the best. Having said that, the BBs works better in the narrow front wheels of my Smart than the Trekka's. Both 65 profile and 15 inch but the Smart has 20 mm narrower wheels.
    Drives a Smart Cdi - 65 to 85 MPG

  4. #24
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    Have now a solution for how to balance my lower profile wheels. I simply asked the owner of a local garage if he could teach me how to operate his balancing machine. Problem sorted.
    Drives a Smart Cdi - 65 to 85 MPG

  5. #25
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    In my next thread we’ll discuss turds.

    Having a puncture in remote parts of Scotland can easily cost you hundreds of Pounds. For that reason I always carry on me my turds and turd fittting kit acquired on Ebay for less than £3. Only this summer on my west coast adventure travels I have fixed flat tyres for six stranded camper vans. More to follow soon.
    Drives a Smart Cdi - 65 to 85 MPG

  6. #26
    Join Date
    Mar 2012
    Location
    Burnley
    Posts
    1,383
    Do you really notice any difference between a flat and a normal tyre on a Smart car? I can't tell on mine at all. It was the same with my Mercedes C class, it just did not affect the way it drove in any way.

  7. #27
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    An old guy around here that we call the mad professor drove around in his Corsa for nearly two weeks with rear flat tyres. Somebody tried to help but were surprised to find a Porta Potti in the boot and plenty of toilet paper but no spare wheel.
    Drives a Smart Cdi - 65 to 85 MPG

  8. #28
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    He was eventually stopped by the police. Then all rubber was gone and he was running on bare rims. He claimed he had not noticed a thing. This guy is Glossopian which explains it all. English you see is what the locals say up here.
    Drives a Smart Cdi - 65 to 85 MPG

  9. #29
    Join Date
    Jan 2011
    Location
    uk
    Posts
    851
    Quote Originally Posted by Mjolinor View Post
    Do you really notice any difference between a flat and a normal tyre on a Smart car? I can't tell on mine at all. It was the same with my Mercedes C class, it just did not affect the way it drove in any way.
    Jeez man , I've always been able to tell

    It's obvious , besides the car will usually let you know too by triggering the ESP light

    You must have no nerves in your fingertips, have an ear infection, zero sense of spatial awareness or your mother smells of elderberries ,... it's obvious I tell yer
    You're so money supermarket and you don't even know it!

  10. #30
    Join Date
    Nov 2007
    Location
    BANCHORY
    Posts
    3,304
    More likely he is from or near Glossop.
    Drives a Smart Cdi - 65 to 85 MPG

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •