On Wed, 13 Oct 2004 15:34:41 UTC, (Ventus B)
wrote:

: The maintenance manual for my ASW 20C glider says to be sure to only
: use "mineral oil" based brake fluid for the hydraulic brake system.
: As far as I can tell, DOT 3 and DOT 4 brake fluids are glycol based,
: and DOT 5 is silicone based according to my 15 minutes of research on
: the internet.

As far as I know, the only automotive mineral based brake fluids are
the LHM types used on Citroens and Rolls-Royces.

Ian

--