Several decades ago when I drew tracks by hand for etching I used a tiny hand held drill (30,000 rpm IIRC). It worked fine but it was tedious when I...
Air cooled 2.2 kw. I only wanted one for things like PCBs, small engraving, internal grinding on a lathe and getting a decent speed on small milling...
Here is one that I got, UK eBay but I am sure that the US eBay has them too. I was going to make my own but at that price that would have been folly...
Yes but it would be very slow if you had a long thread. I think that a finger and thumb are required always when in use, limiting the thread advance...
Some misinformed people have even made motorcycle fairings with dimples but in all the examples that I have seen the dimples have been sized badly. ...
I checked mine and can confirm the truth in the quote, except that it is not the taper that is the pump, it is the eccentric nature of the crank that...
Graduated in Electrical Engineering then a Masters in Nuclear Engineering, but my work has been more like mechanical engineering science. From 1973 to 1988 I had a business making chassis for racing motorcycles, many of which won championships around the world. Since then my work has been more of a consulting and educational nature. I spent 3 years from 2008 as Director of Advanced Design at Segway after giving them a seminar. I have spent a lot of my working life developing mathematical models for the analysis of various dynamic systems. I develop software for vehicle suspension analysis and I am the author of a bunch of tech articles about car and motorcycle handling as well a couple of books on chassis design and analysis. I am totally self taught in the manual arts of welding and machining etc.. Currently at 73 I'm trying to cut down on external work and spend as much time as possible building and racing classic motorcycles. I started racing in 1960.