Duck
River District Pinewood
Derby Rules
I.
QUALIFICATON RULES
1.
Each car must pass
inspection by the
Official Inspection team
before it may compete.
The inspectors have the
right to disqualify
those which do not meet
the specifications as
outlined below.
2.
All cars must be
inspected and qualified
prior to the race.
II.
SPECIFICATIONS
Length,
Width and Weight
1.
Car width, including
wheels and axles, shall
not exceed 2-3/4 "
2.
Car length shall not
exceed 7".
3.
Car weight shall not
exceed 5 ounces.
4.
The wheel base, the
distance between the
front and rear axles,
may NOT be
changed from the kit
body distance.
5.
Maintain minimum of 3/8"
clearance underneath car
so car will clear the
center guide strip on
the race track.
6.
Car shall not exceed 2
¾” in height in order to
clear the finish lights.
Wheels, Axles and
Miscellaneous Parts
1.
Wheels, axles and body
wood shall be as
provided in the official
BSA Grand Prix Pinewood
Derby Kit.
2.
Wheel bearings, washers
or bushings, and solid
(one piece) axles are
prohibited.
3.
The car shall be so
constructed that the
axles for each wheel are
exposed from underneath
the car.
4.
The car shall not ride
on any type of spring.
5.
The car must be free
wheeling with no
starting or propulsion
devices(s). No loose
materials of any kind
are allowed in the car
such as lead shot,
mercury, or other liquid
weights.
6.
Wheels shall be as
provided in the BSA
Grand Prix Pinewood
derby Kit. Wheels shall
remain FLAT.
Wheels may be sanded to
remove rough edges or
molding marks. Wheels
are NOT to be
ground down or beveled.
See diagram below.
7.
Hub caps or other
devices that cover
outside center of each
wheel are prohibited.
Outside hub of each axle
must be visible.
8.
Axles shall be as
supplied in the BSA
Grand Prix Pinewood
Derby Kit. Axles may be
polished. No axle
substitutes or other
modifications are
allowed.
Lubrication
1.
Only dry powdered
lubricants such as
graphite may be used.
The use of oil, silicone
or other such lubricants
is NOT allowed,
and may even damage
plastic parts.
2.
Axles may be lubricated
prior to inspection and
qualification only.
Re-lubrication after
qualification WILL
NOT be permitted
except in the case of
repairs during which the
area being repaired may
be re-lubricated.
ANY and ALL
repairs and/or
re-lubrication shall be
done under the
supervision of the
Judges.
Appearance
1.
Details such as steering
wheel, driver,
windshield, decals,
exhausts, fins, etc. are
allowed as long as they
meet the following two
requirements:
a.
Car, including any
detailing, must be
within length, width and
weight requirements.
b.
Any detailing must be
firmly attached.
III.
GENERAL INFORMATION
1.
Car must have been built
this year for this
race. Cars and/or parts
run in previous years
will NOT be qualified.
2.
Cars that experience
mechanical problems will
be given a period of ten
(10) minutes for
repairs. If the car
cannot be repaired in
that period of time, the
car will be
disqualified.
3.
Only scouts racing and
race officials will be
permitted in the race
track compound.
4.
You should bring some
tools to the race in
case adjustments need to
be made to your car in
order for it to qualify.

Duck River District
Pinewood Derby Rules
effective 1995 to
present