The Home Machinist!

Harold, Recently some adult friends asked me for some hints on how they could improve their writing. I put together some suggestions that I thought were key to this effort. They are listed below in order of importance... *** CONVINCE YOURSELF THAT THE QUALITY OF YOUR WRITING IS IMPORTANT *** If you ...

What about "your" for "you're", "loose" for "lose" and the recent "of" for "off" (along with a myriad of other misspelled and misused simple words)? It's one thing to not be able to spell words like "onomatopoeia" from memory but ...

I use the OP's method of locking the measuring rod too but I add another little refinement that may be of interest. Note that a small button has been formed on the end of the pin on the end opposite the lock nut. Before drilling the hole for the measuring rod through the base and pin, assemble as sh...

Yes, you can put a lockout on the reverse switch. What you can't do is put a "lockout" on all the other dangerous mistakes that you haven't yet anticipated. Your only defense against those is to develop your mental discipline and improve your ability to focus on what you're doing. If you c...

The vast majority of people, and most Americans, have no concept of what a measurement SYSTEM is, and what properties it requires to be useful and beneficial. Some are so dumb as to talk about the 'accuracy' of a measurement system as if such a concept actually existed. Most can't separate less than...

America will never adopt the metric system because, if they did, they would have two measurement systems they don't understand.

seal killer wrote:Marv and lew and Glenn--

Marv, I downloaded some of your stuff. My wife said she could make it run under Win 7. Thanks for the great site!

Use DosBox to run my programs on 64 bit systems.

Lots of folks try to lay out small circles on a larger circle by dividing the larger circumference by the diameter of the smaller circles. That's wrong and a diagram will show you why. The trick is to calculate the angle subtended by the smaller circle at the center of the larger and do the layout i...

Here you go.

http://www.john-tom.com/ElmersEngines/38_vr75.pdf

Bar stock, single cylinder, double-acting, reversing - all you asked for. This engine would be more than capable of powering a model boat of length three feet or more.

I'm a moderator over there and can tell you that the problem is being worked. Our resident software guru is traveling on business and will delve into the problem when he gets back home. You can still safely access the site. The Firefox sequence is: Tools - Options - Security - uncheck "Block re...

You're probably looking for something called a Caliper Extender...

http://www1.mscdirect.com/CGI/N2DRVSH?P ... 0148377117

For tapered flutes, you may find the FLUTE program on my page helpful.

Although not specifically intended for this application, the REVOLVER program may be useful in laying out flutes around a circle.