Stage 4

Some VHDL:

library IEEE;
use IEEE.STD_LOGIC_1164.all;
next_stage: stage_config (turbo, boost, fuel, stage) 
begin
 turbo <= 115;  -- Compressor impeller mm 
 boost <= 5.00; -- Kg/cm2
 fuel <= CH3OH; -- Methanol
 stage <= 4; 
end stage_config;