[Amps] Voltage Doubler Regulation

[Richard Solomon]

I would like to look at ways to improve the Voltage Regulation in a
Voltage Doubler Circuit.
I tried Google, but didn't get much on the actual calculations involved.

Since we have certain givens; such as The AC Line is what it is, the
Plate Xfmr is what it is,
the only variable in the equation would be the Capacitor value. Am I
correct in that assumption ?

Can anyone point me to a reference that I can use ?

Thanks, Dick, W1KSZ