REFLECTOR: IVO Brush Modification

[John Dibble]

I've modified the IVO brushes using 12 gauge copper wire to contact the 
hub rings.  A solenoid lightly presses the wires against the rings when 
the pitch adjust switch is pressed.  The white wires going to the copper 
wires serve as a spring to keep the wires from contacting the rings when 
no pitch adjustment is being made.  I kept the original brushes in place 
to keep the rings clean of dirt/oil and to act as a backup in case this 
modification fails, and to supplement current transfer.  This is giving 
me a very rapid pitch change (100 rpm/sec).

John
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