You can drag this into the dirt and put wish in one and and $h!t in the other.
You're looking at ancient technology and limiting the project to a mere 276 cubes.
Achieving 1 HP per cube (even in a flattie) is simple. I deal with 341.7 cubes.
Put forth the effort to use your own money and common sense, using your resources for the right component, you'll see 400 at around 5300.
Ken, you PM'd me and I responded. You're jerking my chain and won't open your eyes. Too bad.