The following rules and regulations are available for download as a PDF file. Scroll to the "Attachments" link at the bottom of this web page.
To Find the: 2020 Big Rig "B-Class" - Rules (Page Down... They are below the Big Rig / Semi Division Rules)
________________________________________ 2020 Big Rig / Semi Division - Rules
I. Eligibility
– Registration
This
is open to anyone that would like to build a Big Rig / Semi Pre-race registration can be completed here Link to Registration Cost is
$5 if attending $10 if Proxy Racing. Race day registration can be
done at the event – cost is $10
II. Body Specifications
You can
use a BSA Big Rig Kit or Beta
Craft Kit or you can make your own as long as it meets the Body
Specifications. Bodies can be made out of Pine, Balsa, Basswood, Aspen, to name
just a few any material may be used that does not interfere with the equipment
or the other Big Rigs Width - of Cab and Trailer not to exceed 3
3/8 inches Length – of
Cab is not to exceed 8 ½ inches, minimum length is 7 inches long – of Trailer
not to exceed 13 inches, minimum length is 10 inches long ** Maximum Length of
Cab and Trailer when combined not to exceed 19 inches Height – Must have clearance under Finishing Gate –
not to exceed 6 ½ inches, Minimum height requirement of 3 inches Center
Rail Clearance – Big Rigs must
clear the center rail which is 1 5/8 inches wide by ¼ inch tall along the
entire length of the vehicle. Weight – The Cab is not to exceed 9.0 ounces – 256.5
grams measured on Official Race Scale – The Trailer is not to exceed
16.0 ounces – 455 grams measured on Official Race Scale -- The combined Cab & Trailer is not to
exceed 25.0 ounces – 711.5 grams measured on Official Race Scale
Body
Design – may be enhanced by
adding other stable materials such as plastic, metal, or details. All additions
must be firmly attached and conform to size specifications. No loose materials
will be allowed. Trailer
Pin – is to be used in
connecting Cab to Trailer. Trailer must detach from Cab as both will be
weighted separately. You can use any material that you would like for the Pin.
Pin must be secure enough to not separate from Cab during race. No Part
of the Big Rig can extend beyond the starting peg on the track what so ever.
III. Prohibited Items that can NOT be used
No magnets, springs, propellants, or propulsion system, no wet paint or
sticky substances, no glass or excessively fragile parts, electronic or
lighting devices must be turned off during race, No bearings, or any device
that mechanically alters the rotation or the spin of the wheels.
IV. Wheels
- Only Official BSA Wheels are allowed (either new style
& old style) all markings must be intact on inside and outside
of wheel. You may use the Official BSA Colored wheels
- Outer wheel surface may be sanded,
shaved, lathed or polished to remove any imperfections, true roundness,
remove mold castings and burrs, but must not be reshaped in any way to
minimize tread contact or alter aerodynamics.
- The tread / contact surface must remain flat and
parallel to the bore.
- The width of the tread must not be less than 7.5mm
- No removing or reducing the letters or spokes or
drilling additional holes.
- The following wheel modifications are NOT Allowed
- No Rounding of the wheel treads – they must remain
flat.
- No Grooving, H-cutting, V-cutting, Crowing,
Tapering or Dishing
- No Altering the wheel profile
- No Drilling sidewalls
- No Filling of any wheel surface with any type of
material
- Officials will remove wheel(s) if lettering is not
completely visable
- Coning the hubs, truing the inside edge of the
wheel, and removing the outer hub step down is allowed.
- Wheel Bore treatment is allowed including polishing,
sanding and / or tapping.
- Wheel bores may not be filled and re-drilled
- 18 Wheels must be on
the Big Rig in the following Configuration
- Cab – Must have 10 Wheels – two front wheels – across and parallel to
each other and 4 dual wheel (two per axle) in the rear of cab. Wheels may
not be staggered.
- Trailer
- Must have 8 Wheels – 4 dual wheel (two
per axle) towards the rear of the trailer
- All Wheels do not have to touch
- See
Illustraion of Wheel set up:
 
V. Axles
Any Nail Type Axle may be used – modifications to the Axles are allowed, including grooving, canting,
beveling, tapering of axle head as long as the Diameter of the Axle is not
reduced less than 0.84 inches. There must be 8 Long Dual Axles and 2 single
wheel axles. Axles must have Nail Type head –bushings, spacers, and / or washers
can be used
VI. Lubrication
VII. Race Operations and Miscellaneous Rules
- All Big Rigs MUST pass inspection before
being allowed to race based on the rules stated in I. through VI.
- An approved inspected Big Rig will then be checked
in and not be touched by anyone but the race officials. Until the Big Rigs
are released by Race Officials.
- All lubrication of wheels must take place prior to
final inspection check in and before Final Race (see below)
- Officials have the Right to Disqualify Any Big Rig,
which does not meet all of the stated rules and specifications. The
Officials Decision is Final.
- Appealing a decision – if a Race
Official makes a ruling and you wish to appeal it – all Officials will be
assembled and based on majority rule the decision will be upheld or
overturned.
- Each Big Rig will race twice in every
lane (4 times)
- Each race is timed with electronic equipment.
- In the event the equipment fails, the race(s) will
be re-run.
- The slowest time will be dropped and the average
of the remaining 3 times will determine the results for each
racer – Composite Time
- In the event of a tie(s) a run-off will be run
between any of the Big Rigs needed to fill the 4 slots for the finals
race for each Division using the same method of running once in each lane
and taking the average of the fastest 3 times.
- 4 Fastest Big Rigs will advance to
Finals Race *Based on total number of entries will determine if a finals race is needed... determined the day of the event.
- Finals
- Prior to the “Finals” Finalist Big Rigs will
be allowed to be “re-lubricated” – at the Official Race Table only
– under the supervision of the Race Officials. No other
modifications will be allowed, except spinning of the wheels to work
the lube in and cleaning lube from Big Rig and wheels.
- Final Races awards will be based on
the average of 3 times in this Final Race – dropping the slowest time –
composite time.
- In the Event of a Tie a run-off as
described above will be run
- Trophies
will be awarded to 1st – 3rd
- During Races
- If a car jumps the track and interferes with
another car then the race will automatically have to be re-run.
- If the same car jumps the track again,
then it is disqualified (after interfering)
- If a car jumps the track and does not interfere
with another car, and finishes the race it will not be re-run.
- If a car jumps the track and does not interfere
with another car, but does not cross the finish line a time of 9.9999
seconds will be assigned to that car’s race.
- If an item affixed to a car falls off during a
race, and in the opinion of the race official the car is still able to
race, repairs will not be allowed.
- If a car suffers a mechanical failure or is unable
to finish, the individual will be allowed 3 minutes to make the repair
under the supervision of a race official. No weight can be added to the
car as part of the repair action. If the car is unfit to race after the 3
minute period, or becomes disabled after further racing, it will be disqualified
and taken out of the race. No other modifications are allowed – such as
re-lubing, only the repair to the item(s) can be preformed.
- Any car that is discovered to be illegal during the
competition by a Race Official will be disqualified from competition.
______________________________________________________________________________________
2020 Big Rig “B-Class” - Rules
I. Eligibility – Registration
This is open to anyone that would like to build a Big Rig Pre-race registration
can be completed here Registration website Cost is
$5 if attending $10 if Proxy Racing. Race day registration can be
done at the event – cost is $10
II. Body
Specifications
You can use any type of Kit or you can make your own as long as it
meets the Body Specifications. Bodies can be made out of Pine, Balsa, Basswood,
Aspen, to name just a few any material may be used that does not interfere with
the equipment or the other Big Rigs Width - Not to exceed 3 3/8 inches Length – Minimum length is 17 inches long ** Maximum
Length of not to exceed 19 inches Height – Must have clearance under Finishing Gate – not to
exceed 6 ½ inches, Minimum height requirement of 3 inches Center Rail Clearance – Big Rigs must clear the
center rail which is 1 5/8 inches wide by ¼ inch tall along the entire length
of the vehicle. Weight – The overall weight is not to exceed 25.0 ounces –
711.5 grams measured on Official
Race Scale Body Design – may be enhanced by adding other stable materials
such as plastic, metal, or details. All additions must be firmly attached and
conform to size specifications. No loose materials will be allowed. No Part of the Big Rig can extend beyond the starting
peg on the track what so ever.
III. Prohibited Items that can NOT be used
No magnets, springs, propellants, or propulsion
system, no wet paint or sticky substances, no glass or excessively fragile
parts, electronic or lighting devices must be turned off during race, No
bearings, or any device that mechanically alters the rotation or the spin of
the wheels.
IV. Wheels
- Only Official BSA Wheels are allowed
(either new style & old style) all markings must be intact on inside
and outside of wheel. You may use the Official BSA Colored wheels
- Outer wheel surface may
be sanded, shaved, lathed or polished to remove any imperfections, true
roundness, remove mold castings and burrs, but must not be reshaped in any
way to minimize tread contact or alter aerodynamics.
The tread / contact surface must remain flat and parallel
to the bore. The width of the tread must not be less than 7.5mm No removing or reducing the letters or spokes or drilling
additional holes.
* The following wheel modifications are
NOT Allowed - No Rounding of the wheel
treads – they must remain flat.
No Grooving, H-cutting,
V-cutting, Crowing, Tapering or Dishing No Altering the wheel
profile No Drilling sidewalls No Filling of any wheel
surface with any type of material
- Officials will remove wheel(s) if
lettering is not completely visible
- Coning the hubs, truing the inside edge
of the wheel, and removing the outer hub step down is allowed.
- Wheel Bore treatment
is allowed including polishing, sanding and / or tapping.
- Wheel bores may not be filled and re-drilled
- 8
Wheels must be on the Big Rig in the following Configuration
V. Axles
Any Nail Type Axle may be used – modifications to the Axles are allowed, including grooving, canting,
beveling, tapering of axle head as long as the Diameter of the Axle is not
reduced less than 0.84 inches. Axles must have Nail Type head –bushings, spacers,
and / or washers can be used
VI. Lubrication
VII. Race Operations and Miscellaneous Rules
- All Big Rigs MUST pass inspection before
being allowed to race based on the rules stated in I. through VI.
- An approved inspected Big Rig will then be checked
in and not be touched by anyone but the race officials. Until the Big Rigs
are released by Race Officials.
- All lubrication of wheels must take place prior to
final inspection check in and before Final Race (see below)
- Officials have the Right to Disqualify Any Big Rig,
which does not meet all of the stated rules and specifications. The
Officials Decision is Final.
- Appealing a decision – if a Race
Official makes a ruling and you wish to appeal it – all Officials will
be assembled and based on majority rule the decision will be upheld or
overturned.
- Each Big Rig will race twice in every
lane (4 times)
- Each race is timed with electronic equipment.
- In the event the equipment fails, the race(s) will
be re-run.
- The slowest time will be dropped and the average
of the remaining 3 times will determine the results for each
racer – Composite Time
- In the event of a tie(s) a run-off will be run
between any of the Big Rigs needed to fill the 4 slots for the finals
race for each Division using the same method of running once in each lane
and taking the average of the fastest 3 times.
- 4 Fastest Big Rigs will advance to
Finals Race *Based on total number of entries will determine if a finals race is needed... determined the day of the event
- Finals
- Prior to the “Finals” Finalist Big Rigs will
be allowed to be “re-lubricated” – at the Official Race Table only
– under the supervision of the Race Officials. No other
modifications will be allowed, except spinning of the wheels to work
the lube in and cleaning lube from Big Rig and wheels.
- Final Races awards will be based on
the average of 3 times in this Final Race – dropping the slowest time –
composite time.
- In the Event of a Tie a run-off as
described above will be run
- Trophies
will be awarded to 1st
- During Races
- If a car jumps the track and interferes with
another car then the race will automatically have to be re-run.
- If the same car jumps the track again,
then it is disqualified (after interfering)
- If a car jumps the track and does not interfere
with another car, and finishes the race it will not be re-run.
- If a car jumps the track and does not interfere
with another car, but does not cross the finish line a time of 9.9999
seconds will be assigned to that car’s race.
- If an item affixed to a car falls off during a
race, and in the opinion of the race official the car is still able to
race, repairs will not be allowed.
- If a car suffers a mechanical failure or is unable
to finish, the individual will be allowed 3 minutes to make the repair
under the supervision of a race official. No weight can be added to the
car as part of the repair action. If the car is unfit to race after the 3
minute period, or becomes disabled after further racing, it will be
disqualified and taken out of the race. No other modifications are allowed
– such as re-lubing, only the repair to the item(s) can be preformed.
- Any car that is discovered to be illegal during the
competition by a Race Official will be disqualified from competition.
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 Updating... Ċ Greg Dawes, Feb 29, 2020, 9:26 PM Ċ Greg Dawes, Feb 29, 2020, 9:25 PM
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