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The most recent discussions

v-up 7018 fillet - stringer more productive than weave?

April 1, 2020, 6:03 pm

Advice on stringer-bead vs weaved-bead, if you could... Often gaps - sometimes on temporary works big enough to slide your little finger in - so about 10mm (3/8th-inch) (the crew I was with could ... Read more »

Cures for the Plague in 1665

March 30, 2020, 2:01 pm

http://www.gutenberg.org/files/61703/61703-h/61703-h.htm Whatever doesn't kill you makes you stronger, and vice versa. Do NOT try #6. #22; ...put in fifty Scorpions or as many as you can get, ... Read more »

Re: Must cut 40mm hole in 1/4" aluminum bar

March 30, 2020, 6:56 am

I tried a hole saw in my cheap drill press. Works perfectly for hardwood, but doesn't work for 6061 aluminum. I might try removing some teeth from a hole saw, see if it cuts a little better without... Read more »

Diesel 500HP marine - straight-6 vs V12

March 22, 2020, 7:05 pm

Hello all You are a group with a lot of technical interests and knowledge. Boats - for a vessel with a single screw and about 500HP, or a twin-screw vessel with about 1000HP (500HP each engine and... Read more »

mag base remagnetizing

  [ 2 3 ]
March 14, 2020, 9:25 pm

Has anybody remagnetized a rotary on-off mag base before? I was thinking about a large capacitor and some turns of wire on EI transformer core with the Is removed and the indicator base across th... Read more »

Hoarding toilet paper and water because of COVID-19 smacks of mental illnes...

March 13, 2020, 11:05 pm

Leading mental heath experts have expressed concern over the knee-jerk reactions by liberal Democrats over the coronavirus. Overreacting to a random virus by stockpiling non-critical items can act... Read more »

Where can I buy good used electric motor for my Boyar-Schultz surface grind...

March 13, 2020, 1:00 am

The electric motor is belt-driven to spindle. Read more »

Re: Weiber starts but won't run

March 10, 2020, 1:43 am

You posted it, remember? Read more »

Re: Adjusting a Lufkin 680A Inside Micrometer

March 9, 2020, 2:18 pm

Morning all, I was trying to find the instructions for adjusting the Lufkin 608A mics and haven't been successful. Can someone help me out please? Chuck -- for full context, visit https://www.pol... Read more »


March 6, 2020, 1:49 am

Rivett, 507. Junior bench lathe, with a 5cor Rivett headstock an, also 3c Rivett headstock . With adjustable round toolpost., holds round carbide cutting tool. Clean an original lathe. Has ... Read more »

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The best rated discussions

Pulling the head on an Onan DJC Generator

rating: 5

I have been debugging an Onan DJC, 4 cylinder 12KW, air cooled diesel generator. In chasing down a rough running engine when cold I just heard the unmistakable hiss of a leaking exhaust valve. I ha... Read more »

source for silver planchets?

rating: 5

I would like to attempt making some silver family coins for gifts this christmas. I have some rough attempts at a die for the coin, but before I get too deep into the project, the question came up as... Read more »

Ratchet spanners

rating: 5

Has anyone seen a ratchet spanner with the ratchet on an *open* end of a spanner (rather than the box end which is common)? I have just the job for a 22 mm version...if it exists! Michael Koblic, Cam... Read more »

Expanded threading chart for 9x20 lathes NOPOL

rating: 5

Posted to the dropbox, is an expanded chart for threading gear combinations on the imported 9x20 lathes. It was created by someone (smarter than myself) to a Yahoo lathe group. It shows that the popu... Read more »

My Troyke CNC rotary table is actually working!

rating: 5
  [ 2 ]

A while ago I mentioned this Troyke CNC rotary table that I bought off ebay. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=120587743949 http://igor.chudov.com/projects/Bridgeport-Series-II-Inter... Read more »

Question about Brown and Sharpe number 10 Collets

rating: 5

Hi folks, Can anyone tell me what the #10 B+S collet is equivalent to?.... looks very similar to the Hardinge 1675, the CVA 33 and the Myford MA99E...... Just curious , though I'll find out as soon a... Read more »

Clausing 6914 - Way Wipers

rating: 5

Today I replaced the way wipers (made of thick wool felt), which led to a discovery. The carriage had always left a trail of black oil on the front V rail as the carriage moved back and forth, and... Read more »

A Question for You Air Only Guys

rating: 5

I needed to get a couple jobs done. The screws need to be replaced on the Taig so I couldn't use its regular flood oil coolant setup until I fix it. I used my smaller machine, rubbed a little Tap ... Read more »

Replacing Safe Handle?

rating: 5

I help coach the collegiate pistol team at MIT, and they store their firearms in a number of large safes they've obtained surplus over the years. The biggest is a two door Meilink safe that is pro... Read more »

Logan 1100004-T lathe home

rating: 5
  [ 2 ]

We got the Logan lathe loaded and trailered back to the shop today without incident. I'm not going to convert it, just restore it. It's in almost cherry condition except for the paint and the t... Read more »

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