Junior Dragster Rules

ELECTRIC
JR. DRAGSTER
RULES SUPPLEMENT.
(DRAFT)

Requirements and specifications for Electric Jr. Dragster are the same as those for NHRA CASTROL GTX Jr. Dragster with the following exceptions.

MOTOR: 1
MOTOR
All vehicles are restricted to a maximum of one (1) rear mounted electric motor.
Motor must be mounted in conventional position. Exposed motors must have a shield of .024-inch steel, .032-inch aluminum or .120-inch Lexan.

FRAME: 4
WEIGHT
Minimum weight less driver 225 lbs. Maximum weight less driver with all batteries 400 lbs. Weight greater than 400 lbs. requires SFI chassis specification 2.7.

ELECTRICAL: 8
BATTERIES
Wet (free liquid) batteries prohibited. All Batteries must be securely mounted outside of and completely sealed from driver compartment. Batteries may not be located above top of drive tires or outside of frame. Batteries must be mounted as per requirements listed in current NHRA rulebook section 1F - ELECTRIC POWERED VEHICLE. Traction motor and/or high-current wiring may not be located in drivers compartment. Instrumentation wiring permitted. All traction wiring must be isolated from vehicle chassis.

FUSING OF BATTERIES
All battery packs must have over-current protection. Circuit breaker or fuses permitted. Devices must have a DC voltage rating equal to or greater than nominal pack voltage. Current rating must be lower than master disconnect, wiring and battery pack can carry without damage. Battery sub-packs must be individually fused.

IGNITION
All vehicles must be equipped with a switch, attached to driver with a lanyard, capable of shutting off all power to motor. Switch may actuate relay or contactor. Solid state switch prohibited. A flashing yellow light must be affixed to top of roll cage indicating when electrical system is energized.

MASTER CUTOFF
All vehicles must incorporate a master electrical disconnect switch that disables all electrical functions. Switch must be located on deflector plate no more than three inches from top of roll cage. Must be clearly labeled as to off position. Must disconnect all power from motor. Switch may actuate relay or contactor.

RECHARGING
Batteries may be recharged in pits or other designated areas only. Polarized plug connection to battery pack from charger mandatory.

VOLTAGE
Maximum permitted operational voltage 96 volts nominal. Voltage checked at battery pack. No load using digital voltmeter. Maximum fully-charged battery pack voltage 104 volts.

Refer to current NHRA CASTROL GTX JR. Drag racing League Rulebook and the NHRA Rulebook section 1F for additional requirements or regulations.

Requirements and specifications for Electric Jr. Dragster are the same as those for NHRA CASTROL GTX Jr. Dragster with the following exceptions.

MOTOR: 1
MOTOR
All vehicles are restricted to a maximum of one (1) rear mounted electric motor.
Motor must be mounted in conventional position. Exposed motors must have a shield of .024-inch steel, .032-inch aluminum or .120-inch Lexan.

FRAME: 4
WEIGHT
Minimum weight less driver 225 lbs. Maximum weight less driver with all batteries 400 lbs. Weight greater than 400 lbs. requires SFI chassis specification 2.7.

ELECTRICAL: 8
BATTERIES
Wet (free liquid) batteries prohibited. All Batteries must be securely mounted outside of and completely sealed from driver compartment. Batteries may not be located above top of drive tires or outside of frame. Batteries must be mounted as per requirements listed in current NHRA rulebook section 1F - ELECTRIC POWERED VEHICLE. Traction motor and/or high-current wiring may not be located in drivers compartment. Instrumentation wiring permitted. All traction wiring must be isolated from vehicle chassis.

FUSING OF BATTERIES
All battery packs must have over-current protection. Circuit breaker or fuses permitted. Devices must have a DC voltage rating equal to or greater than nominal pack voltage. Current rating must be lower than master disconnect, wiring and battery pack can carry without damage. Battery sub-packs must be individually fused.

IGNITION
All vehicles must be equipped with a switch, attached to driver with a lanyard, capable of shutting off all power to motor. Switch may actuate relay or contactor. Solid state switch prohibited. A flashing yellow light must be affixed to top of roll cage indicating when electrical system is energized.

MASTER CUTOFF
All vehicles must incorporate a master electrical disconnect switch that disables all electrical functions. Switch must be located on deflector plate no more than three inches from top of roll cage. Must be clearly labeled as to off position. Must disconnect all power from motor. Switch may actuate relay or contactor.

RECHARGING
Batteries may be recharged in pits or other designated areas only. Polarized plug connection to battery pack from charger mandatory.

VOLTAGE
Maximum permitted operational voltage 144 volts nominal. Voltage checked at battery pack. No load using digital voltmeter. Maximum fully-charged battery pack voltage 156 volts.

Refer to current NHRA CASTROL GTX JR. Drag racing League Rulebook and the NHRA Rulebook section 1F for additional requirements or regulations.