[TheForge] Chemical Questions ?

Wed Oct 16 20:27:01 2002

Henry Ford had big tanks of heated phosphoric acid, As the frame and body
parts came around the line, they were dipped into the vats, then into steam
heated tunnels to dry, and then dipped into vats that had a layer of black
enamel floating on top of hot water and back into the heated tunnel.  Model
T and A era stuff.

I think Ford at the time called it "galvanizing"...

On the model T, they sprayed the body with fast(relatively) drying black
enamel.  The "sprayer" looked like a garden hose with a fan type nozzle, the
same you can buy today at the hardware store.  So much for the fine show car
finish you see today on restored cars of the period!

----- Original Message -----
From: "Barking Crow" <[email protected]>
To: <[email protected]>
Sent: Wednesday, October 16, 2002 8:01 AM
Subject: RE: [TheForge] Chemical Questions ?

> Dave,
>
> Although the electrolytic rust removal sounds like the best method to get
> rid of your rust, you might want to try  as an easier or stop
> gap method.  I'd scrub the panels laid horizontal with hot soapy water and
a
> light duty wire brush or heavy duty scrub brush to get off the loose rust
> and chlorine and then paint on the green phosphoric acid like is sold at
> Home Depot for about $13 a gallon and scub it around and let sit for and
> hour or so and then rinse it off and dry the panels.  You can leave it
> overnight and paint right over it if you plan to paint the panels.  The
hour
> or so method will impart a dull grey finish to the steel/iron which
resists
> rust rather well for awhile or is a good pre-primer in my experience.  I
> pour the excess over my anvils, swage block, steel tables etc as most of
my
> stuff sits out in the weather, and it provides rust resistance.
>
> Jeff Valentine
>
> Barking Crow
> http://www.barkingcrow.com
> [email protected]
>
>
>
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