rickmahaffey@COMCAST.NET on fri 22 jan 10
When I was at San Jose State in the late 60's Gordon Cruckshank had a kiln =
=3D
that fired with used motoroil.=3DC2=3DA0 He had the oil line running in the=
ins=3D
ulation of the arch to raise the temp of the oil reducing the viscosity.=3D=
C2=3D
=3DA0 He also ran the air supply inside the insulation of the arch to give =
so=3D
me pre-heat to the air all of which aided the burning of the oil in a more =
=3D
efficient way.=3DC2=3DA0 His oil was supplied from a 55 gallon drum with a =
line=3D
into the drum standing about 4 or 5 inches above the bottom.=3DC2=3DA0 The=
re w=3D
as a 12 volt electric fuel pump to pump the oil=3DC2=3DA0 to the burner.=3D=
20
He also had a filter in the line before the oil pump as I recall.=3DC2=3DA0=
Bei=3D
ng a motorhead I liked the idea of using the auto fuel pump to supply the o=
=3D
il and a spin on filter adapter (As used in old cars that did not come with=
=3D
the newer spin on filter system from the factory).=3D20
The oil filter really lasted a long time because if the oil is not agitated=
=3D
then the heavier contaminants will settle to the bottom of the drum (hence=
=3D
having the pick up some inches above the bottom).=3DC2=3DA0 I have a few=
=3DC2=3DA0=3D
vintage motorcycles that sump (allow the oil to drain into the crankcase wh=
=3D
ich=3DC2=3DA0can have disasterous effects if started=3DC2=3DA0with the bott=
om of th=3D
e engine full of oil like breaking a connecting rod - some of which are mad=
=3D
e of pure unobtainium ( a word used in vintage motorcycle and car circles f=
=3D
or at least 3 or 4 decades before Avatar) which can be very expensive to re=
=3D
place) so I drain the oil after a ride into a one gallon oil jug to be put =
=3D
in=3DC2=3DA0before the next ride.=3DC2=3DA0 In the bottom of the jug=3DC2=
=3DA0there is =3D
some sediment after a few days so having your oil in a drum=3DC2=3DA0that i=
s no=3D
t disturbed for a week or so before the firing should be sufficient to keep=
=3D
crud out of your burner system.=3D20
Gordon said that he=3DC2=3DA0could not determine if taking the heat out of =
the =3D
arch insulation to heat oil and=3DC2=3DA0air made any difference=3DC2=3DA0b=
ut he sa=3D
id that he=3DC2=3DA0could go to=3DC2=3DA0a stronger=3DC2=3DA0flame earlier =
with the pre=3D
heat set up based on experience firing the kiln with out pre heat before t=
=3D
he modifications.=3D20
YMMV,=3D20
Rick =3DC2=3DA0=3D20
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