Dont forget the counterweight/flywheel aswell.

 

How would you balance the rotors after you machined them. Cuz I would think that most rotory places like Pineapple Racing or Racing Beat would force you to have them lighten the rotors.

Could you just take the lightend rotors, along with the e-shaft, counter weights and what not, to a local piston shop and have them balance it?

 

i completely forgot about this topic.... my engine builder(mainly v8s) asked me this same question and he wants to try it.. should make a noticable diff... and yes a rebalance would be key... in those previous picture you are saying that you can mill 5mm deep on the sides. and you can mill the the support brigdes inside the rotor.... I didn't really look at that.... i would like to see more on those topics for sure because i do have the ability to mill that stuff... just not the experience in exactly what and how much....

 

wouldnt you also have to account for the Oil that fills the rotors when you balance them? I would also think that you would need to modify the front counter weight, crank and flywheel to keep the rotating assembly balanced.

 

The oil is the same all around the rotor, and therefore wouldnt affect balancing.

 

I think what hes talking about is balancing the whole assembly. Thats a good question, people must account for that when it all gets balanced.

 

The maching required on the rotors seems very easy, at least simple compared to what I have seen made at the place my step-dad works at. Why do ppl charge so damn much for lightening and balancing the rotating assembly.

 

bacause they can

 

The BOP weights for a rotary are custom, whereas the BOP weights for a V8 are in stock items.



I know, you should see the bill for the 20B

 

It is my past expeience that ALL the rotating mass should be sent in. Flywheel,clutch disc and plate etc. Some dynamically balance each , then as a whole assembly in which you need to have a set of "bob weights "designed for the rotary internals.