2017 NSR Porsche 917

fly917
Series Manager: Ary.
This series will be raced in the second quarter of 2017 (Q2).

Described by British magazine Motor Sport as the ‘greatest racing car in history’, in addition to its Le Mans wins, the Porsche 917 – powered by an air-cooled, boxer, 12-cylinder, 4.5-litre, 520-horsepower engine – holds, to this day, the record for fastest qualifying lap, an incredible 3:13.90 done in 1971 by Pedro Rodríguez. Will the NSR scale version also break all the records at ASCC?


Final Rule-set

Fees

Entrance fee per race is $5 for ASCC members and $10 for non-members.

Models Allowed

  • NSR Porsche 917
    • Any variance is allowed but only one livery of any variance is allowed to race (To check/claim a livery, visit this link or contact the series manager).

Body

  • No modifications to the body are allowed unless otherwise specified.
  • No lexan cockpits are allowed – all cars must have hard plastic interiors.
  • Driver’s feet can be removed to allow float.
  • Body must start every race with all major parts intact including windows and wings.
  • Antennas, mirrors, wipers, tow hooks, and other small, protruding parts from the body are not required.
  • If white body kit is used, exterior of body must be painted with at least one coat of paint.
  • Body screws are open choice; they must be taped over to prevent loss during the race. The tape may not control body or pod movement. If a screw falls off the car, a 5 lap penalty will be imposed if the screw causes an issue with a competitor’s car.
  • Light kits are not  permitted.

Chassis

  • No modifications to chassis allowed unless otherwise specified.
  • Only the black (medium hardness) chassis is allowed – factory or replacement.
  • Chassis must be of type intended for body.
  • Chassis may not be sanded. Series manager will disqualify a car from racing if chassis material has been removed.
  • All NSR guides are allowed.
  • Pick-up braids are free choice.
  • Traction magnets are not allowed.
  • Ballast is allowed. Ballast must be above the chassis pan / inside the car. No ballast is allowed under the chassis pan. Ballast may be glued or taped. Ballast should not be visible from the outside of the car. If ballast finds its way off the car, a 5 lap penalty will be imposed if ballast causes an issue with a competitor’s car.
  • Lead wires are free choice, but must not be used to control front axle ride height.
  • Independent front axles are not permitted.
  • Wheel/tire must not protrude outside of the body when viewed from above, no exceptions – this includes axle float.

Motor

  • NSR Shark Motor 20000 RPM (NSR-3004) or NSR Shark Motor 22400 RPM (NSR-3001)  are allowed.
  • Modifications to the motor are not allowed.
  • Motor can glued to motor-pod.

Motor Pod

  • Sidewinder motor orientation is mandatory: Red (NSR-1249) or Black (NSR-1247) versions.
  • The motor pod may not protrude below the chassis.
  • Stop collars may be used for the rear axle assembly and are open choice. Spacers/washers are allowed and are open choice.
  • NSR  brass bushings are mandatory, and may be glued into the pod. No tape may be used to control pod float. Tape may be used on pods screws to prevent them from falling out.

Gears

  • Only NSR gears and pinions are allowed. Gears must be of type intended for motor orientation (sidewinder).
  • Gear ratio is free choice.
  • Modifications to gears and pinions are not allowed.

Wheels

  • Only 16x8mm (factory size) wheels are allowed. Wheel type can be solid (NSR-5001) or channeled (NSR-5002).
  • NSR wheel inserts are mandatory. Inserts may be interchanged from different models.
  • Modifications to the wheels are not allowed.

Axles

  • Only solid NSR axles are allowed.
  • Modifications to the axles are not allowed.

Tires

  • Front tire: NSR-5238 (Factory size, 18.5x10mm, threaded, non-grip) or NSR-5232 (18.5×8.5mm, threaded, non-grip).
    • Minimum front tire diameter is 18mm.
  • Rear tire: NSR-5241 Supergrip or NSR-5242 Ultragrip (Factory size, 21x11mm, threaded).
  • Tires may be glued to the wheels.
  • Tires may be trued and have their edges rounded. Removing the threads from tires is permitted.
  • No traction compounds are allowed.

Track Power

The series will be raced at 11 Volts.

General

If it is not mentioned it is not legal.
These rules were written to create a fair event and not for racers to look for loopholes.


Rules can be discussed at the club’s forums until declared final: https://austinslotcarclub.com/forums/topic/2017-nsr-porsche-917-rules-discussion/