GREENBRIER
RACEWAY’S
17th
ANNUAL
THUNDERJET
CHALLENGE
.
DATE:
Saturday, April 4, 2009
.
TIME:
12:00 noon (Doors open @ 9:00am)
.
LOCATION:
Greenbrier Raceway (64
Greenbrier ln.
.
RACE:
Box Stock Aurora Thunderjet mini enduro
.
FORMAT:
2 individual race heats*, consisting of four 10.0 minute
segments
each (total race
time per
driver: 80 min*)
.
*NOTE: Only the top 8
finishing
Drivers/vehicles from Round 1 (first half of race) shall
be permitted
entry into
Round 2 (second half of race)
EVENT RULES
.
Once a vehicle/driver has entered the race (heat 1, segment 1), ALL vehicle maintenance (oil, cleaning, etc.) shall be done on the driver’s race time. There shall be NO maintenance or repairs permitted during power ‘off’ periods (e.g. lane changes, sit-outs, between race heats). (NOTE: The only exception to this rule shall be a track call due to damage to vehicle by marshal)
Time ‘off’ between segments shall be just long enough to record results and for officials to change vehicle lanes and lane stickers. No one other than an appointed lane changer shall be permitted to touch any vehicle during time off. Any driver touching his/her car during time off shall lose 2 laps per occurrence.
During any sit-out period(s) and/or between heat races, an official shall collect all vehicles not currently racing and place in track lock box (impound).
As an enduro, laps and/or lap counters shall not be corrected for vehicles jumping lanes. Laps shall be recorded as shown.
All other rules for race conduct shall be HOSCAR rules.
At the conclusion of the race, all vehicles shall be held in impound
until a
winner has been declared and has passed tech.
.
ALL
prize winning vehicles SHALL be disassembled (tear down),
inspected, and
ohmed.
HEY,
NO ENTRY FEES!!!
VEHICLE REGULATIONS
(Orange Lettering denotes 2009 rule
changes / additions / updates / clairifications)
.
1. CHASSIS
Chassis shall be 100%
Original Box Stock* AURORA THUNDERJET 500
chassis along
with Original Box Stock* AURORA THUNDERJET 500
gear plate.. Chassis with either solid or
hollow rivets shall be
allowed. Chassis with silver plated electrical hardware (T/O or W/O
chassis)
shall not be allowed. NO chassis cutting or modifications of any
kind shall
be allowed.
.
2. RUNNING
EQUIPMENT / HARDWARE
All
running
equipment / hardware shall be stock* or aftermarket stock
replacement
AURORA THUNDERJET 500 parts of original factory size,
length,
material, location, ratio and/or design, and may not be altered
except as
noted. This shall include (but is not limited to) body mounting screws,
wheels,
axles, gears, and gear plate clamp.
Only original stock* or aftermarket stock
style
(ribbed) rubber replacement T-jet ‘street’ tires shall be
legal. No silicone or silicone coated tires shall be allowed. No rubber
O-ring
or flat side tires shall be allowed. Tires may be glued to wheels (Wheels may NOT be
glued to axles).
Sanding /
grinding of tires to adjust for true and / or height shall be allowed
on
contact surface of tire only (no beveled tires). Stock 'ribs' on
Pre-race conditioning (soaking) of tires will be
allowed.
However, Tires shall be DRY when raced.
Traction glue
prohibited.
Any reasonable aftermarket mounting screw(s) and
guide pin shall
be allowed. However, low profile or cut (ground) mounting screws are
prohibited.
Guide pin length shall fit stock Aurora
‘pin & lock’ track slot.
.
3. MOTOR, MAGNETS, AND ELECTRICAL
Any Factory replacement Aurora Pan
Chassis armature (except ‘Quad’ arms) shall be legal. NO
tampering of any kind to armature shall be allowed. Minimum ohmage
allowed: 5.8
Ohms.
Any Ceramic
replacement Aurora Pan Chassis magnets shall be allowed.
NO
cutting of magnets shall be allowed. NO magnet shim(s) or flux
collector(s)
shall be allowed.
Any
replacement
Any Factory
or aftermarket Aurora Thunderjet
500 replacement pick-up shoes shall be allowed. Silver coated
shoes
shall be allowed. All pick-up shoes shall retain their stock*
shape
(equal to original length, step down, rail contact pad, etc.) Wide,
long, and/or
‘ski-shoes’ shall not be allowed. Pick-up
shoes may not be bent
(other than fine adjustment) to restrict any natural drop or side
movement. Pick-up shoes my not be cut, flattened, or
soldered..
Shunt wires shall not be allowed.
.
4. BODY
Only stock*
Body must
fit a stock* Aurora Thunderjet 500
chassis without
any alterations, except as noted, and shall have ALL factory
accessories intact (windows, bumpers, grill, roll bars, pipes, etc.).
Body shall
use stock mounting system with BOTH front and back mounting screws
intact.
Painting of
the body shall be permitted on the exterior of body only. For ease of
inspection for illegal repairs (such as cut wheel wells, grinding,
and/or
adding weight) painting of interior (underside) of body may be
questioned. No
additional body parts or modifications (wings, interior, spoilers,
etc.) shall
be allowed unless factory installed.
Due to
common stripping/cracking of body mounting post(s), Body mounting posts
may be
repaired (not replaced) and may be sanded / shimmed to adjust for
height so
long no other modifications are needed to body, chassis, or gear plate
for
body-on-chassis fit.
.
5. MISC.
Ballast (weight) shall not be allowed.
Any part in
question will
be deemed illegal.
.
Stock*
Refers
to most COMMON
known chassis/parts.
Although stock, NO ‘skinny’ Indy
pan chassis, large style race or truck tires or wheels,
HOP-UP
kit gears
(including stock T/O or W/O gears) axle, gears, wheels, etc. shall be
allowed.
. .
For
more
information, contact:
John Peckham
GREENBRIER
H.O. CLUB of ROCHESTER
64 Greenbrier ln.
.
jpeckha2@rochester.rr.com
NOTICE
Greenbrier Raceway’s GREENBRIER THUNDERJET CHALLENGE is an
annual
event held for the fun and enjoyment of vintage H.O. scale competition.
Race
prizes shall be awarded per availability, but are in no way guaranteed.
.
People
wishing to sell or trade are encouraged to do so. However, there will
be no
format set for this purpose. Please note that all selling/trading shall
be done
‘out of box’, and to keep tables clear for racer pit space.
.