Home › Forums › Club Races › Racing Calendar, Classes & Regulations › 2026 Q4 – NSR F1 1986 to 1989 – Road Track
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October 30, 2025 at 6:18 AM #23385
Series Manager: John B.
Models Allowed
- NSR Formula 86/89
Body
- An exciting option for our 2021 series are accurate 1/32 scale helmets featuring many 1980s legends and even recent stars!
- Mandatory: Body must start every race with all major parts intact including wings. Permitted – Antennas, mirrors, other small parts Not-required to be replaced after crash damage.
- Mandatory: White Kits must be painted, and unique with colors, decals, numbers (to claim a Decorated livery, visit this link or email the series manager).
- Open-Choice: Body screws (NSR OEM or smooth shank Slot.IT or NSR)
- PROHIBITED: NSR 1522 Lexan driver/cockpit
Chassis
- Open-Choice: NSR branded F1 chassis – any hardness
- Permitted: Chassis may be sanded only enough to facilitate float. Series Manager may disqualify (DQ) car if excessive material is removed.
- Mandatory: NSR brand guides Options: Wood Depth/Screw Post #4859; OEM Snap-In #4841; Long Keel Screw Post #4844; Long Keel Snap-In #4843
- Open-Choice: Motor wires, Pick-up braids
- Permitted: Ballast (must be above the pan; inside the body)
- PROHIBITED: Magnets
Motor & Pod
- Mandatory: NSR OEM Motor King-21 EVO-3; #3023 21.4k Rpm 350gm-Torque
- Mandatory: NSR OEM Extra-Hard Red Inline-configuration #1283
- Permitted and Encouraged: M2 Motor retaining screws (flat-head or grub); or gluing motor to pod
- PROHIBITED: Motor pod protruding below chassis more than 0.25mm
- Magnetic downforce may not exceed 40 grams as measured on the Magnet Marshal.
Gears
- Permitted: NSR Inline Crowns OEM 27z #6327 (Black/grey) 25z #6325 (Orange) 24z #6324 (Blue)
- Permitted: [as of 9/25 vote and SM approval] Slot.IT gears – limited to 27z GI27Bz (black) 25z GI25Bz (orange) 24z GI24Bz (green)
- RECOMENDED: Brass/bronze vs. Alloy/aluminum (brass seems to shed less)
- Permitted: NSR Pinions OEM 5.5mm Dia-10z #7010 (Alternates: 10z #6810; 9z #7009 9z #6809, or Equal Slot.IT Pinions (10z, 9z)
- Open-Choice: Gear Ratios; Estimated Rear Wheel RPMs: @11v: 27/10= 7,265 25/10 = 7,847 24/10 = 8,174
Wheels & Axles
- Front Wheels-Permitted: NSR OEM #5020 Alum 13mm x 8mm; (Alternate #5025 Plastic-CNC Ultra-Lite 13mm x 8mm)
- Rear Wheels-Permitted: NSR OEM #5021 Air-System-Alum-2-Rib 13mm x 10mm; (Alternate #5027 Solid-Rib 13mm x 10mm)
- Permitted: Thunderslot Foam Donuts, or O-rings to fill Air-System Rib Gap
- Mandatory: NSR wheel inserts #5440, 5441, 5442, 5443
- Mandatory: NSR Solid axles. Prohibited: Independent rotating front axles
- Open-Choice: Stop collars, Spacers/washers.
- Mandatory: OEM NSR brass bushings Permitted. Gluing to Pod
- MAXIMUM TIRE WIDTH: 68mm for both Front and Rear Wheels
Tires
- Front Tires-Permitted: NSR No-Friction OEM #5283 18mmx10mm -or- #5291 17mmx10mm; #5290 16mmx8mm
- Rear Tires-RECOMENDED NSR OEM #5284 Supergip 19.5mmx13mm; (Permitted: any NSR 19.5 x 13 tires)
- Permitted and Encouraged: Truing; Gluing; Camfering/rounding.
- PROHIBITED: Traction compounds. Glazing of front tires with Nail Polish or Super-Glue/CA
Track Power
- Group A: 12 vdc
- Group B: 10 vdc
General
Contact Series Manager (John B. / Lotus Jr) with ANY questions on the rules. Post questions and suggestions to the Forum NOT via emails
Build it strong.
Keep it simple.
Make it work.
(Leroy Grumman) -
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