[sdiy] Tonewheel relics

[Ingo Debus]

> Am 22.10.2017 um 15:18 schrieb Rutger Vlek <rutgervlek at gmail.com>:
> 
> I have a decision to make on what to do with a 1970's tone wheel organ. I bought it cheap a few years ago. It's a Pari Attack, Italian Hammond clone.

Ah, a Pari! Definitely a rarity. Myself I own a Parie (with e), which is an even stranger beast.

How were the replacement gears made? Milled or 3D-printed? If 3D-printed, which method? Laser-sintered parts can be very accurate and sturdy. See my 3D-printed Hammond switch replacement:
https://photos.app.goo.gl/piZQe7cst7gFj12G3
But if you need many parts, this will get expensive.

What’s the revolution speed of the tone wheels? Maybe you can use twelve stepper motors?

One question out of curiosity: how is the vibrato scanner driven? Also via gears? In my Parie, both the tone wheels and the scanner are belt driven. Unlike on a Hammond, it's very easy to change the speed of the scanner (just remove the belt and spin it by hand). A very slow scanner vibrato sounds awesome.

Ingo