>     Can end and center housings that are cast iron be hot tanked?
    >I think
    >     they use a mild acid heated up.  I have to give a talk on the
    >rotary
    >     next weekend and I thought it would be good to have pieces on
    >hand.  Is
    >     there a website where I can download a program that shows the
    >rotary
    >     combustion cycle?  Thanks for any help.
    >
    >     Joe Berki
    >
    >     I am sure the end housing can be tanked.
    >
    >     Down load the movies from the ACRE NL Joe.
    >
    >     http://www.rotaryeng.net
    >
    >     Scroll down to the bottom of the page.
    >
    >     Old NSU/Audi video. Principles of the Wankel (in German)
    >
    >     An excellent movie animation of how the wankel works
    >     created by Gene Nomicos. 5.6 meg.
    >
    >
    >Joe-
    >
    >I put together a rather long powerpoint presentation on the rotary
    >(including various animations and movies) for an EAA chapter
    >meeting.
    >You're welcome to it if you'd like.  Contact me off list & I'll post
    >it
    >somewhere you can download.  mark (at) supinski.net
    ><http://supinski.net>
    >
    >Mark



Check out site  http://www.mecchemicals.com/catalog/hottank.htm  and
scan the technical bulletins. The composition of the tank cleaner
determines whether it will clean iron and aluminum, or clean iron and
dissolve aluminum. I know for rusted auto and truck V8 blocks, the
strongest concentration is used. It eats aluminum. Different
requirements will determine the types of chemicals in the solution and
the temperature of the solution. Other sites are available for more
details, I'm sure.

Mike

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