Lightening/balancing
+2
junkie
mrbeige
6 posters
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Lightening/balancing
So, if I wanted to make sure the con-rods and pistons were all the same weight, what sorts of tools would I need? I mean for the pistons, a very good quality set of electronic scales would be fine, but what about con-rods? balancing them wouldn't be that straight forward would it?
Re: Lightening/balancing
You obviously take the lightest rod and piston and make them the same as that at the least, i have a very good set of electronic scales for weighing gas charges into fridges and they only go to the nearest 5 gram which possibly is not enough for this purpose but brilliant for weighing the holiday suitcase.
They need balancing together rotationally like a wheel and tyre i think.
They need balancing together rotationally like a wheel and tyre i think.
junkie- .:Bored:.
- Number of posts : 376
Age : 43
Location : Rotherham
Re: Lightening/balancing
Im sure you should balance each end of the rod,big end and then little end and then the combined weight.
Im sure someone will jump in to correct this.
Im sure someone will jump in to correct this.
CorradoVR6-Turbo- .:Cammed:.
- Number of posts : 104
Re: Lightening/balancing
Yeah I thought you'd take the lightest of each component to use as a reference.
There must be a special way to measure the big and little end of a rod separately.
There must be a special way to measure the big and little end of a rod separately.
Re: Lightening/balancing
2 sets of scales? One end of the rod on each scale? Same as corner weighing a car.
We're not in the 1950s any more Stu I don't think even OE cast rods are more than 10g adrift.
We're not in the 1950s any more Stu I don't think even OE cast rods are more than 10g adrift.
kevhaywire- .:Stroked:.
- Number of posts : 605
Re: Lightening/balancing
I suppose not, but I like the idea of getting as much out of OE parts as possible. You'd need two fairly accurate scales though. I wouldn't think a set of Salter digital kitchen scales would do the job
Re: Lightening/balancing
Is it a simple case of removing weight anywhere when looking at rods? I'd have thought it was key not only to remove weight but making sure that weight was removed in such a way as to not unbalance the crank.
Hate to say it but seems a lot more scope for it going wrong than right if doing it by guess work.
Hate to say it but seems a lot more scope for it going wrong than right if doing it by guess work.
mic_VR- .:Cammed:.
- Number of posts : 138
Location : Cambridgistan
Re: Lightening/balancing
hmm..something I'd give to a pro tbh.
Thats one thing you want rotating nice and smooth,no harmonics.
Thats one thing you want rotating nice and smooth,no harmonics.
dirtytorque- .:Charged:.
- Number of posts : 1101
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