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Shown after the first of several
thick coatings of epoxy primer, the quarter panel
looks much more finished. The primer fills in many
of the small holes left after sanding the body
filler. After the quarter panel receives several
coats of primer, which are then sanded with finer
and finer grades of sandpaper, the finish on the
quarter panel becomes smooth enough to pull a virtually
perfect mold from it.
More Photos: [1]
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After
months of hard work by Banks’ Stylist,
Sean Torres , the D-Max Type-R custom body
panels are finished and molds are being
made. Once final designs were approved
by Gale Banks, Torres worked virtually
alone on the body panels until each panel
was ready for moldmaking. To say Torres
did a great job is an understatement.
Torres,
started each body panel with blocks of
rigid foam, attached them to the vehicle
and then shaped them into the desired configuration.
For large areas, plywood was added to support
the foam. This process not only allows
visualization of the final shapes, it also
permits easy revisions. Normally, automotive
clay is used to cover the foam, but to
save time that would otherwise be spent
revising the composite molds, Torres used
body filler over the foam. With each panel,
when the prototype shape was finalized,
the body filler was sanded to produce a
smooth finished surface from which a perfect
mold can be made to make replacement parts
for any future repairs.
Body
panel placement and attachment actually
began after the chassis and suspension
design and fabrication was completed. These
components were completed to determine
chassis ride height and the location of
the wheels and tires. Unlike a stock vehicle
chassis, a racing tube chassis has no underlying
structure dedicated to the location and
support of body panels. These must be built
and attached to the chassis. Struts and
support structure must be fabricated to
hold the body panels. The body mounting
must also be rigid enough to support the
aerodynamic loads placed on the vehicle
at high speed, while offering some flexibility
for the inevitable contact that happens
between vehicles on the racetrack. The
Sidewinder D-Max Type-R will use modified
stock body panels for the cab and most
of the pickup bed. The stock pickup bed
was designed to be separate from the cab.
This allows for flex and torsional twist
of the stock frame.
On
the D-Max Type-R, the rigid chassis prevents
such flexing, so the bed and cab are attached
for aerodynamics, but they are not formed
into a single piece. The upper bed panel
will continue to be separate from the cab.
The lower side panels, from the rear of
the front wheel opening to the front of
the rear wheel opening, will be joined
as a single composite part on each side.
The wheel openings also need to match the
contour of the tires to minimize aerodynamic
drag, but the wheelbase has been reduced
to 110’’ (stock shortbed wheelbase
is 119’’ and longbed wheelbase
is 132’’). The race vehicle
body includes numerous aerodynamic details
not found on a stock pickup.
The
finished body of Banks’ Sidewinder
D-Max Type-R will use a one-piece composite
front end that combines the hood and front
fenders. However, it was still necessary
to correctly place the stock steel hood
and fenders to serve as the basis for the
composite mold that must be made for the
front-end piece. The production grille
and headlight assembly will be used on
Banks’ Sidewinder D-Max Type-R. These
items are separate from the hood and front
fender assembly and will remain in place
on the vehicle when the front-end piece
is removed.
Finished
composite parts will be installed on the
D-Max Type-R using pins and quick release
fasteners.

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