Homebrew PCBs

Remember that I bought mine at least 15 years ago but it looks the same.

I never measured the RPM but keep in mind that RPM will also depend on air
pressure and lubrication.

 

I modified the exhaust and air intake to separate the two.  The white hose
on the side is the air supply.   I put a muffler on the exhaust pipe to keep
the noise down.  The slide is from some equipment I disassembled.

Bertho

 

From: Jeff Heiss   Sent: Sunday, February 27, 2011 23:12
Is the drill you used the one sold at Harbor Freight and Ebay for about $25?
If so, I have the same drill and I have two comments on it. First it uses a
lot of air. Second, I measured the rpm and it only does 30,000 when the box
says 56,000. Have you noticed these two things? Also what is the white
tube on the side and where did you obtain the linear slide? 





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