Big thanks to Aron for posting this project. I had a lot of fun building. I went to electronics school 30 years ago so I had to dredge up a lot of old knowledge.
Gathering components:

Installing then into the perfboard:



Finished circuit:

Put it in a box:

And onto my board:

It worked after I soldered one connection I missed. I'm supper happy. Tons of boost! I only set it to 8 o'clock-ish.
One small issue: It pops when I first turn it on and after it sits awhile. Maybe I need to check the connection on the leak down resistor?