[GreenKeys] TT-4A/TG

[Richard Knoppow]

    Many hardware stores have 3 in 1 20 weight machine oil. Its 
in a Blue can rather than the familiar Red can. The Red can oil 
is a sort of penetrating oil, not a very good lubricant. The SAE 
20 stuff seems to be highly refined and good for many purposes.

On 6/20/2019 3:25 PM, Duncan Brown wrote:
> Francis,
> 
> Don't worry too much about the motor speed yet. (Motor speed only 
> needs to be set ~ +/- 10% for proper operation. (ie, a 60WPM 
> machine like the TT-4 can copy 66WPM European transmissions.)
> 
>
-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL