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Home Brew Analog Computer System
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SeanB:
I will second making a drill jig to get the initial holes, then use a 2mm or so pilot drill, followed by a larger drill, or an end mill to do the final hole size. 6 flutes and cutting fluid or wax will drill a nice clean hole. If you have a shop vacuum use it to remove the swarf to make the holes neater.
GK:
A 5/16" center drill is working a treat. No walking from the center point and perfectly round holes. Yahoo.

notsob:
Congrats and keep the project info coming, I really look forward to and enjoy reading each installment
GK:
Hey, no worries. The next batch of panels are on backorder, so drilling has ceased for the time being. Stupid car has just swallowed $2k in maintenance, so that has put a hold on the next major parts order. My almost 10 year old exhaust system finally gave out. I knew there was something amiss when I could only barely outrun an R32 Golf (although I suspect modified). How embarrassing! Spun it up on the chassis dyno and I was down about 100hp at the wheels; internally rusted out and collapsed muffler.
woodchips:
Just seen this post on tekscopes about capacitor probems etc.

http://www.maximintegrated.com/app-notes/index.mvp/id/5663
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