The Secret Society of Lathe Trolls

Speaking of the "stone" one should use care in maintaining a very light, low mass structure around the cutter needle because any additional mass reduces the cutter resonance and high frequency response. The three turn coil of wire is rather light, but an additional stone structure may become signifi...

For anyone who may be interested in a more stable stylus heating system, I see four HP 6214C power supplies on eBay now for under $80 that come with both voltage and current meters.

I haven't done this yet, but my idea is to get a fully variable 0 - 10VDC power supply off eBay, a 20 watt 10 ohm wire wound resistor, and simply connect all in a series circuit with your 3 turn stylus heater wire. Adjusting the power supply to 4 volts will deliver .4 amps to your stylus heater, for...

Thanks! But I would like to have the capability for both pitches.

Maybe someone has another M-12S for sale?

Thanks again.

Mine looks like this if anyone has a 120 or so available along with the scale, let me know. Thanks.

I could sure use a 120 for a Rek O Kut Master Pro M-12s.

A poor man's SX74, hehe. First off, the moving structure must be lite to effectively produce the highs. To be reliable, the structure must be well machined and durable... Mercy, what a joke! It looks like an experiment put together in a child's basement, compared to a real SX74: