1969 10EE, points or rheostat?
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  1. #1
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    Default 1969 10EE, points or rheostat?

    10EE brought back out of mothballs. The spindle RPM hunts, does anyone know if this year has points or a rheostat to control spindle speed?

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    If it is original, it will have a special configuration piggy back dual rheostat.

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    Quote Originally Posted by slowmotion View Post
    10EE brought back out of mothballs. The spindle RPM hunts, does anyone know if this year has points or a rheostat to control spindle speed?
    Pure guesswork it WAS a Modular drive system, AKA last and best of the thyratron tube drives? Not as likely it was an early solid-state "Monarch Sidney DC Drive".

    By this late date - full fifty years since it was "for-sure OEM", your one could have had any of several types of full or partial drive conversion, recent or many years old, and even more than ONE conversion or type of conversion done to it over those years. By "count" well-funded Defense Contractors probably did more conversions than all of we smallholders, combined. Monarch Lathe also generally converts when rebuilding to a new 3-P AC motor + an industrial-grade VFD.

    So... "it could be anything.."

    What we need most are some photos - including data plates off final-drive motor and whatever is NOW driving it.

    The good news is that no matter WHAT you have, this forum has accumulated the specialized expertise to help you with putting ANY of the many options back to useful work, be they OEM or any of many conversions.

    A Hydrogen Peroxide turbine drive would be new, but even so, we'll help you find the experts if need be!


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    I'll dig further with photo's etc, but right now I'm getting ready to spend a couple of weeks in the Riviera. It'll probably need tires when I get back.


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