WHAT (a): Interstate Home Slot Racers (IHSR) 2017-2018 Racing Season/Series, venues in Maryland, WVA, PA in members' homes
WHAT (b): Series kick-off on Saturday, 10/7
WHERE: Abingdon, MD (northeast of Baltimore). As it's a member's home, address isn't published. Contact tlbrace2008@yahoo.com for specifics
WHEN: Saturday, 10/7. Doors open approx. 8 am. First of 4 classes (see rules below) off at 10 am. Last class finishes approx. 3:30 pm
VENUE: 4 lane routed wood track, landscaped, full race management
CONTACT: Todd Brace at tlbrace2008@yahoo.com
WHO: IHSR is a 1/32 scale home based slot racing club active since 1994. This season we'll be on at least 7 venues (all home tracks), all but 1 of which are routed wood tracks. The lone plastic track is rare 3 lane, true 1/24 scale Scalextric.

IHSR's staying power has been not in a 'win at all costs' culture, but in real camaraderie and love of the hobby. New racers are always made to feel welcome, no matter their experience or skill levels. We always have class legal loaners available for guys trying us out.

IHSR Rules 2017 - 2018

New for 2017-2018
A pre-race tech inspection will be conducted as follows: At each event, one IHSR class, chosen at random will be tech inspected prior to that race. Please bring only legal cars to Tech. Recognizing that our race time is very limited, this inspection will proceed expeditiously. We strongly encourage racers to examine all your cars for legality prior to the event since if your car fails, little time will be available to make changes prior to the race start. Race will not be delayed waiting on car changes.

Post-Race Viewing. Years ago our club’s first three finishers were put on display briefly for members to view and ask questions. It has always been our club’s valuable custom to help other racers improve in order to raise everyone’s enjoyment. This is a tremendous opportunity for all racers to learn and improve.

Immediately after each race the first three cars will have their bodies removed for viewing on the track. Owners are heartily encouraged to answer questions about their cars.

‘Spare’ Car Limits. We’re here for fun and we recognize that racing is more fun than watching because of a broken car.

ONE replacement car is allowed if the entrant’s starting car becomes crippled during the race. Replacement car must conform to the class rules. (If this class was chosen for random tech inspection the replacement car must be presented for Tech immediately after the race or the car will not be classified). A third replacement car is not allowed.

GENERAL COMPETITION RULES: Minimum 3/64 ground clearance on all cars. Gears are exempt at the discretion of the track owner as long as they don't contact the track surface.

Only hard plastic or resin bodies are allowed. Vac-formed bodies that have been hardened and thickened may be allowed at the discretion of the rules committee, provided they are of a minimum weight (12grams). Vac car bodies are to be painted on the outside only.

All four tires must be in contact with the track surface. Front wheels must touch and roll on the track. If this requires adjustment when moving from a routed track to a plastic track it is the owner's responsibility to assure compliance.

Tires must fit within body limits. Tires must be covered by the body as viewed from directly above the car.

Track front and rear, should be close to that of prototype.

All tires must be rubber, rubber-like or Urethane (per class specific rules). No o-ring (5mm minimum on front tires). Sponge (foam) tires are specifically allowed in 63 - 96 sports cars only. No Silicone tires. Tire width will be measured at the contact patch.

All tires must be run DRY, with no traction compounds or treatments added. Cleaner residue or softening treatments must have been removed before placing the car on the track. Any car that leaves a residue on the track surface shall be immediately disqualified and removed from the race.

Wheels should have appropriate inserts and be of the same type front and rear. "Styled" plastic or aluminum wheels are exempt if they represent a 1:1 wheel.

Guide flag may not be visible when viewed from above when pointed directly forward.

Chassis and weights must not protrude beyond the lower edge of the body and should be painted so as not to be conspicuous when the car is on the track. Weights added to the underside of the chassis must be securely affixed so as to not be dislodged during a race.

The body mounting screws may be loosened. If they are, they MUST BE COVERED with tape to prevent debris on the track. The thickness of the tape will be included in the required clearance spec.

Open cockpit cars require a driver and a "shelf"; closed cars require a driver, front and rear glass and a cover over the mechanicals. Full interior is not always required although driver should have arms and at least top half of steering wheel.

Cars should appear as nearly "scale" as possible.

Cars will be allowed to start at the discretion of the Tech Committee.

If the prototype car had a spoiler mounted, it must be in place at tech inspection and the start of the race. The spoiler must be securely affixed and should have at least a chance of being in place during the entire race.

All races will be run "no-mag". In all classes, total downforce from motor magnetism must not exceed 25grams. Magnet check or Magnet Marshal check will be part of tech inspections for all IHSR classes.

Division 1 –VINTAGE sports cars (1962 and earlier) (New for 2017: See below re motors and chassis pods)
Chassis may be commercially available, or scratch built of brass, wire, plastic or aluminum.
Maximum 8mm tire max. width measured at contact patch. Entrant must ensure that 8mm max. width is maintained throughout season.
Maximum overall width is 2.25" measured from the outside of the rear tires.
Any manufacturer’s motor may be fitted, but must be rated no more than 14.7K RPM (except as below).
New for 2017: Slimline FF motors with RPM up to 21K WILL be permitted.
New for 2017: If a pod chassis is used, the pod screws MUST be tight to eliminate any chassis flex. This will be checked during the pre-race tech.

Division 2 - Carrera GT cars (New for 2017: OEM Rubber OR Urethane tires permitted)
Intent: The class rules are written to allow participants to have competitive and reliable cars, with few modifications allowed. Carrera GT cars will be run as received from factory except for the permitted modifications listed below.

The original E200 motor, wheels, axles, gears, and guide flag system will be retained. Broken or "sloppy" guides may be repaired. The red replacement guide blade is allowed. Brushes are free. On some tracks, Carrera guides may stick in tight turns. Light sanding or trimming of the blade is permitted to eliminate this sticking.

NEW TIRE RULE FOR 2017-2018: Stock/OEM rubber tires may be run OR urethane tires may be used at the racer’s choice. No other rubber, foam, or other compound tires may be used.
Tires may be glued and trued.
Ballast may be added inside body
Gluing in the motor is permitted.
Full stock interiors must be retained.
Removal of digital chip is permitted
Direct wiring of motor from guide is permitted
Removal of lights optional
Custom colors are ok but cars with racing #’s in 3 places
Body/chassis may be minimally sanded for body 'float"

Eligible Carrera GT cars include (if a car you wish to use does not appear on the list, contact the rules committee for review):
Ferrari 575 GTC
Aston Martin Vantage GT3
Porsche GT3 RSR
Audi R8 GT
Porsche GT3
Corvette C6R, C7R
Mercedes SLS AMG GT3
Ferrari 599XX
Mercedes SLR McLaren
Porsche 918 spyder (cars with roof only)
Ferrari LaFerrari
Lamborghini Huracan
Ferrari 458
Ford GT

Division 3 – CLASSIC Sports Cars (1963-1996) (New for 2017: Years extended to 1996)
This division is designed for models of Sports cars (min. 2 seats, covered wheels) which competed during the above era.

Intent: The class rules are written to allow participants to be competitive with close to out of the box "semi-stock" models, but also allow for "open" cars to be raced in the interest of increasing the variety in the field.

Motors are open
"Semi-Stock" cars may have modifications, but they are limited to commonly replaceable parts; wheels, gears, guide flag, motor, gluing in the motor etc. and the addition of ballast.
Major modifications such as body lightning, chassis lightning, chassis hinging/cutting, pod/bearing support reinforcement/stiffening, reorientation of the motor, lightening or removing the interior or using any chassis not commercially sold with the body define the car as "open"
Classic Ortmann tires (the no longer available “grey dust” formula) are not permitted in this class.
Maximum over all width is 2.63"
Sponge (foam) tires are specifically allowed.

Division 4 –Slot.it Group C/GTP (No change for 2017)
Cars include: Slot.it-brand Porsche 956, Porsche 962 (and all the variations of each), Lancia LC2, Sauber Mercedes C9, Jaguar XJ-9, Jaguar XJ-12, Mazda 787, Toyota MK III

This class allows very few changes from stock. If you have any doubt about the legality of any modification, please contact the rules committee before the change.

Any Slot.it Group C or GTP car is eligible for this class.

All cars must run a Slot.it "Orange end-bell" 21.5k motor. Slot.it's earlier original equipment 21.5k white end-bell motor is legal for this class but if a competitive advantage is evident, this may be changed. The "Piranha" 21.5K replacement motor is now approved for this class.

All cars will use a "Spec" tire, Slot.it's F22 rubber tire (SIPT-27 20x10mm) or N22 rubber tire (SIPT1171N22 20 x10mm) on standard 15x8 wheels. Gluing the tire to the wheel is permitted. No "Air"-style wheels.

Major modifications such as body lightning, chassis lightning, and chassis hinging/cutting, pod/bearing support reinforcement/stiffening, reorientation of the motor and others will be prohibited. Gluing in the motor is permitted.

Stock interior must be retained. Minor sanding of chassis, body & interior in order to achieve body float is permitted.
Guide replacement is permitted. This is allowed since many stock chassis exhibit very wobbly standard guides.

Open Wheel
Chassis may be commercially available, or scratch built of brass, plastic or aluminum
Tires can be 14mm in maximum width, but are encouraged to be appropriate for the era in which the car raced.

LMP and GT
Chassis may be commercially available, or scratch built of brass, plastic or aluminum.
Tires, motors, gears, wheels, axles, guides, etc. are open within the guidelines of the general rules listed above.