The Secret Society of Lathe Trolls

Not sure the suspension box will fit on a Presto Overhead. The box with my overhead will certainly fit a Presto. So, you'd be replacing the entire overhead from the Presto with my system.

So, so, so, so many things been brewing. Expect a post in the next couple of days. PLS19 You'll see iOS remote control over bluetooth of my lathe, functioning V2 of my overhead with many improvements, fully packed PCB's for digitally controlled heating wire, iRIAA mono eq, digitally controlled iRIAA...

I would say the same about someone else. But, then I would get in trouble. But, there is another whose work is just as questionable. And who makes a huge elaborate show of it.

Incidentally I have a way to do that with an all analogue recording path WITHOUT needing a special tape transport LOL ha ha ha ha ha ha. Magic? How exactly are you going to delay a signal via analog circuitry without addiing noise or distortion? Unless you have created something entirely new that w...

Scooty Turn Jr. V2.2
Total redesign of my BLDC platter motor. 3 phases, 18 coils, steel cores, custom driver PCB and power supply, and custom control logic. Beast mode! Adjusting the magnet array today!

That's a lot of motor noise.

BLDC Motor Driver V2 Tomorrow I'll be testing my new driver code with this board. I got my motor turning with the previous board but it wasn't designed ideally. This board should be solid. I should be able to turn the platter again properly now. Hopefully I'll have video posted in a day or two! Pho...

I learned Eagle, designed, drew and CNC'd 7 PCB's this week! BLDC Motor control, S66 Suspension box control, 50V PSU, MIDI IO board, iRIAA EQ Curve mono board, relay switching control board for Clean/iRIAA EQ'd audio which interacts with the iRIAA board, and MOSFET heating wire psu board. I've de de...

Sexy Beast

Scooty Turn Jr. - BLDC Platter Motor Looking good. Looking real good.... Magnetic bearing with platter test. This is a preview of the pending Scooty Turn Jr. BLDC Motor designed by Opcode66 a.k.a. Todd R. Mariana. I'm working on things are hard and as fast as possible. Everything has a plan and I'm...

Overhead Suspension Sled with halfnut moving slowly BLDC Platter Motor V1
Only 3 of the 9 coils for now. The junk on top of the blue disk is just for weight and does nothing else.

Yesterday, I machined an aluminum metal panel, made a meter mount, made another interface panel with rocker witch and three potentiometers, added three transformers to the box, added tone/volume control board for processing input audio, added vu meter board and vu meter, added mono 200w amplifier, f...

I've repaired over 250 mono heads now. You may also consider my full rebuild service.

PLS19 Overhead
Now, I'll add the pulleys and belts and get this connected to a gear reduced DC motor with custom pitch logic.

PLS19 Overhead Sides I'll have rods cut, tapped and threaded tomorrow for the rest of the overhead. Two support rods, one linear bearing rod, and one threaded rod for a leadscrew. Then, I will start to write the motor control code and make the optical rotary encoder. First version will be accurate ...

PLS19 Build This video summarizes the work so far. And, shows you where I'm headed. I will have this unit cutting records within the next couple weeks if that. Then, I'll be selling it and making units from scratch. CNC cut MDF cases. I have a source for platters and platter bearings. I make everyt...

PLS19 Playback Tests

Now, I start working on the overhead and Bluetooth implementations.

Ok. You're the expert.

I actually own a VMS70...

I'm familiar with microstepping. Unless you actually physically plotted the movememt of the microstepped servo motor, and then analyzed the plot at 200x magnification, then you really can't make the claim that the motor moves in a completely fluid manor. I can tell you, they don't. Sine wave or squa...