For hydraulic pump.

Dear Sir,

I am making a magnetic generator in that i want a normal 10 kg pressure i want starting torque of 10kg pressure regularly in this so the machine i have made it will be then in running position as like i give one example of strait stock hydraulic pump input side the pump liner size is 12 inch piston diameter is 7.5 inch and length 4 inch and in middle oil tank cone is in build 3ft length and one size of this cone is 7.5 inch and another side is 3.5 inch and piston size is 3.5 inch diameter and 4 inch length linear size is 24 inch and when i pressure 7.5 piston side of 5kg so get another side only 9 kg instant of 10 kg so how i can i have to improve the size from were as i get finally 10 kg pressure . Because of if i get this so i will be success in magnetic generator can run for continues 3 to 4 years at the rate of 30 kw to 1200kw and i am trying now in 240 kw and if i will be success in this i can do for 1200 also so please help me to be in this method if i success i can help in power technologies. I wants pressure double were from i push one side to another i want double its is not possible in rotory pump i want in slow speed rpm 100 rpm to 500 rpm till so pls help me i need a help of good person here .