Best weight of mallet for truing flywheel/ crank assemblies?

[Rannsachair]

Well now I have my Alpha Tru, I am almost ready to do my first crank.

Any advice on the best size lead mallet to use, i have a 4lb, is that a bit heavy?

 

[Morrisman]

What size cranks?

 

[brightspark]

a 2lb coppper and leather one

 

[Rannsachair]

What size cranks?

First 2 will be Matchless 500cc G80's then a BSA C15:

 

[Rannsachair]

a 2lb coppper and leather one

I have one of them, if not 2, I always thought lead was the recommended mallet for this job?

 

[Seadog]

I always used a copper/hide mallet, but only because I didn't have a lead one. Lead imparts a much better dead blow than copper, in my opinion.

 

[JEZGUZ]

It all depends on your wrist / arm strength and how much control you have over the hammer. That lead one looks good for making sure something moves even when it doesn't want to. I'd go for something lighter , copper or brass.

 

[mart13]

It depends how much you need to move it.....and how tight the pin is...
Hit it too hard and you'll just put it out of true in the other direction.
I use a copper hammer but rest the crank on a large lead block.

 

[Rannsachair]

It all depends on your wrist / arm strength and how much control you have over the hammer. That lead one looks good for making sure something moves even when it doesn't want to. I'd go for something lighter , copper or brass.

I suppose I can just move my grip towards the head to reduce the force.

 

[Matchless]

I use a large rubber one,

 

[pressbrake1]

I used to be next door to a crank builder. I’d lighten the cranks on my big lathe as he didn’t like rattling to death his Colchester.
He used big copper mallets which he didn’t swing hard , more low down torque
Another hammer with the shaft missing so it was like a big machinists knocker

 

[graffian]

Not a clue would have to be my answer.
I use a hammer cast in an old grease can, gotta be about 10lbs and a loving wallop will move most things.

 

[Farside]

I use a large rubber one,

TMI, TYVM.