How to balance a ceiling fan?

[beegeebee]

Have three different make of ceiling fans but despite attempting to floow the instructions to the letter, I'm unable to prevent the fans from being totally unbalanced.
Can anyone help please...?

[Starbar]

If your trying to balance the fans you need to ask TURBOPED, is he around tonight?.
He knows how to do things with pieces of lead!.

[snapdarlich]

I know how you feel. I have a ceiling fan that constantly judders, not matter what I do....Goes through loads of bulbs...but still keeps spinning!

[heathfield]

It can all be down to room shape and size. If you think about it, the fan produces a down-draught. This spreads out across the floor, up the walls, and returns to the fan. Because of the size and shape of the room, and size and shape of furniture, the moving air coming back to the fan is arriving at different speeds from different directions. When the fan blades hit this turbulent air, the force on the blades is constantly changing as they rotate, and so the fan wobbles. This makes things worse. Since the direction of the downdraught is now changing, so too is the air turbulence back at the fan . The whole process is cumulative, and in a smallish room could make even a perfectly balanced fan wobble quite violently.
There's no easy answer, since it's a combination of fan speed, blade size, and the rigidity of the fixture.

[Hamish]

Have you put the blades on the right way round? I put two up in our house, one the right way round the other not. The latter shook a lot compared to the former. The part that held the blade to the central drum was a sort of pulled out z shape.One way the blades where higher up than the other. Mine needed to be in the lower position.

[beegeebee]

Many thanks to you all for the answers and thoughts you have given me.
Heathfield made me think a little more deeply but then couldn't understsnd why the kitchen ceiling fan worked without problem! Have abandonde the bedroom fans and bought stand fans; problem solved!!!
Again many thanks.