Pittsburgh Grand Prix 2024 - 28th Scale

Event Information

Welcome to the 1st annual Pittsburgh Grand Prix presented by Radbody and hosted by Iron City RC Hobbies in West Mifflin, PA.

Iron City RC Hobbies is Pittsburgh's premier race facility with 3 tracks; CRC carpet on-road, CRC carpet off-road, and RCP 28th-scale.

Whether you're a seasoned champion or a rookie with fire in your eyes, the Pittsburgh Grand Prix is your arena to shine. So, fuel up your RC beast, and prepare to leave your mark on 28th-scale racing history. It's gonna be a weekend of speed, skill, and serious RC camaraderie. Don't miss out!

The track will be open starting Saturday, March 16th for practice all week.

Practice fee: $10

For those coming in early, we will be holding a fun pre-race club event on Thursday evening. We’ll run 2 qualifiers and a main with a 1 class per person limit.

To ensure the best possible experience for all participants, the number of entries is limited.

Classes:
Box Stock
AAA STock
Formula 1
Lipo Stock
3500 GT (SS)
Mod AWD
Mod GT
Mod Open Pan

Rules for the event:
https://www.rm28sa.com/rules

Event Inspection:
The following classes will need motors, spurs, and pinons inspected and marked before racing begins.

  • Box Stock
  • AAA STock
  • Formula 1
  • Lipo Stock
  • 3500 GT (SS)

Race inspection:
These items will be inspected before each race for the follwing classe.
Box Stock, AAA Stock, Formula 1, Lipo Stock, 3500 GT (SS)

  • Weight
  • ESC Blinking (Except Box & AAA Stock)
  • Spur marking/color
  • Pinon marking/color
  • Motor marking
  • Rear Wing
  • Battery voltage 8.42/4.21 (Except Box & AAA)

 

A mains will be triples and all lowers will be doubles.

Schedule:
Mar 21-Thur: 10am - 11pm
Practice: 8-12:45pm
Club Race: 6pm-10pm
Practice: -11pm

Mar 22-Fri: 8am - 11pm
Practice: 8-1:30pm
Seeding: 2:00-5:00pm
Q1: 5:30-9:00pm
Practice: -11pm

Mar 23-Sat: 8am - 11pm
*Practice: 8-9:15am
*Q2: 9:30-1:00pm
*Q3: 1:30-5:00pm
*Q4: 5:30-9:00pm
*A1's: 9:30-10:30pm

Mar 24-Sun: 8am - 5pm
Practice: 8-9am
*Mains: 9:30-3:30pm
*Times are approximate

Hotels:
Holiday Inn Express & Suites Pittsburgh West Mifflin, an IHG Hotel
3122 Lebanon Church Rd, West Mifflin, PA 15122

Hampton Inn Pittsburgh/West Mifflin
1550 Lebanon Church Rd, Pittsburgh, PA 15236

Hampton Inn & Suites Pittsburgh/Waterfront-West Homestead
301 W Waterfront Dr, West Homestead, PA 15120

Wingate by Wyndham Pittsburgh/West Mifflin
1340 Lebanon Church Rd, West Mifflin, PA 15236

Hampton Inn Pittsburgh/West Mifflin
1550 Lebanon Church Rd, Pittsburgh, PA 15236

SpringHill Suites by Marriott West Mifflin
1000 Regis Ave, Pittsburgh, PA 15236

Extended Stay America - Pittsburgh - West Mifflin
1303 Lebanon Church Rd, West Mifflin, PA 1523

Track Details
Track Name Iron City RC Hobbies
Address
2980 Lebanon Church Rd
West Mifflin, PA, US 15122
Map
Contact John Dickson
Phone (412) 689-0007
Website https://ironcityrchobbies.com/
Hobby Shop No
Event Flyer Click Here
Hotel Info Holiday Inn Express & Suites Pittsburgh West Mifflin, an IHG Hotel 3122 Lebanon Church Rd, West Mifflin, PA 15122

Hampton Inn Pittsburgh/West Mifflin 1550 Lebanon Church Rd, Pittsburgh, PA 15236

Hampton Inn & Suites Pittsburgh/Waterfront-West Homestead 301 W Waterfront Dr, West Homestead, PA 15120

Wingate by Wyndham Pittsburgh/West Mifflin 1340 Lebanon Church Rd, West Mifflin, PA 15236

Hampton Inn Pittsburgh/West Mifflin 1550 Lebanon Church Rd, Pittsburgh, PA 15236

SpringHill Suites by Marriott West Mifflin 1000 Regis Ave, Pittsburgh, PA 15236

Extended Stay America - Pittsburgh - West Mifflin 1303 Lebanon Church Rd, West Mifflin, PA 15236

Dates & Times
Start End
Open Practice 03/21/24 10:00 AM 03/21/24 11:00 PM
Controlled Practice 03/22/24 8:00 AM 03/22/24 2:00 PM
Qualifiers 03/22/24 2:00 PM Depends on entries
Mains 03/24/24 9:30 AM Depends on entries
Track Amenities
* Bathrooms * Carpet Oval
* Concession Stand * Covered Pit Tables
* Electricity * Hobby Shop
* Indoor Carpet Offroad * Indoor Offroad
* Indoor Onroad * Lap Counting System
* Lighted Track * Pit Tables
* Televisions * Wi-Fi
Event Cost
1st Class $50.00 USD
2nd Class $30.00 USD
3rd Class $15.00 USD
Qual Type Rocket Round
Entry Details
Registration Opens 01/25/24 12:00 PM EST
Registration Closes 03/20/24 10:00 PM EST
Limit 250
Remaining FILLING FAST!
Classes - Electric Onroad
Name Qualifiers A Main B Main C Main D Main Lower
F1 INFO / RULES

4.4 Formula 1

4.4.1 Chassis
GL Racing GLF-1, G-Force Formula, PNR 3.0F1, MWX

4.4.2 Wheelbase
Only wheelbase allowed shall be 112mm – 116mm.

4.4.3 Motor
Any manufacturer 2500Kv motor is allowed, sensored or sensorless. Max can diameter is 16mm. No option or aftermarket rotors are allowed. Maximum Kv is 2800. Refer to Race Tech>Motor section for additional information.

4.4.4 Gear Ratio
Any manufacturer pinion and spur allowed, tooth count must be distinguishable by markings or color for easy tech. All gears must be Pre-Event teched and painted. 
More than 25 tile straightaway - 12T Pinion / 53T Spur

4.4.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The front-wheel width must be 11mm and the rear-wheel width must be 14mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28-scale cars.

4.4.6 Tires
Refer to General Rules>Tires section for information. Max tire diameter while mounted on the wheel, shall not exceed 25.5mm.

4.4.7 Batteries
2-cell LiPo or 2 one-cells paralleled maximum 8.4 volts. An additional battery is allowed and may only be connected to a transponder.

4.4.8 ESC / Receiver
Any manufacturer ESC and Receiver is allowed. Sensored ESC must have and be in BLINKY MODE.
Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.4.9 Body
Lexan F1 Bodies only. Refer to General Rules>Body & Modifications, Lexan F1 bodies for a list of approved bodies. Aftermarket front and rear wings are allowed but must look like an F1 wing. Bearings in the front wing are allowed.

4.4.10 Option Parts
Any after-market 28-scale publicly available production or 3D printed parts are allowed. Prototype parts are NOT allowed. Refer to General Rules>Prototype and 3D Printed parts section for additional information. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed.

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
Box Stock INFO / RULES

4.2   Box Stock - RMS

4.2.1 Driver Restriction - Mod GT, Mod AWD, or Mod Open drivers are NOT allowed. 

4.2.2 Chassis Kyosho MR03S, MR03S2, and MR03 RWD.

4.2.3 Wheelbase - Only wheelbases allowed shall be 90mm, 94mm, 98mm, and 102mm.

4.2.4 Motor - Kyosho MZ9P, MZ9E Motor from RTR, and PN 70 turn (PNR132370). Allowed to change the motor wires and remove the safety switch. Motor must be run as it was manufactured; no motor manipulation of any kind is allowed.

4.2.5 Gear Ratio - 6T - 9T Pinion included with RTR kits, or PN 9T (PNR400329) with Stock Kyosho Gear Diff only.

4.2.6 Wheels - All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 8.5mm and the rear-wheel width is 11mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28-scale cars. Wheel and tire must fit inside the body. 

4.2.7 Tires - Refer to General Rules>Tires section for information. Max tire diameter while mounted on the wheel shall not exceed 25.5mm.

4.2.8 Batteries - Cars must be powered by 4, AAA batteries. Alkaline, Ni-MH, or Ni-Cd batteries may be used. No other type of battery may be used. An additional battery is allowed and may only be connected to a transponder.

4.2.9 Electronics & Transmitter - Only Kyosho original items included in the box are allowed, with NO modifications.

4.2.10 Body - Any manufactured molded hard shell that fits the allowed wheelbase. All parts must be the original for that body. Limited wheel and ground clearance modifications are allowed. Body material may not be shaved or thinned for weight reduction. Lexan roofs, windows, and wings are not allowed. Aftermarket plastic wings are allowed. Refer to General Rules>Body & Modifications, Hard Bodies section for additional information.

4.2.11 Option Parts - Any manufacture ball bearings, nuts, screws, springs, shims, and T-Plates allowed. Any manufacture t-plate mount, steering knuckles, disk damper set, center shock, and front body mount with body adaptor is allowed. Only those 5 above listed items can be upgraded. No aftermarket front suspensions or rear pods allowed. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed. 

4.2.12 Modifications - The car must be run in stock configuration. Kingpin flip is allowed, kingpin must be cut to prevent track damage. 

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
Lipo Stock INFO / RULES

4.3 LiPo Stock

4.3.1 Chassis
Kyosho MR03S, MR03S2, & MR03 RWD, Jomurema, GL Racing GLR, GLR-GT, GL-GTR, MRC MRC01, PN PNR2.5W,
PNR3.0, RTRC RTA, Atomic MRZ, Reflex RX28, RX28SE, NEXX Skyline, Specter, MWX R.1, G-Force Lightning

4.3.2 Wheelbase
Only wheelbases allowed shall be 98mm and 102mm.

4.3.3 Motor
Any manufacturer 2500Kv motor is allowed, sensored or sensorless. Max can diameter is 16mm. No option or aftermarket rotors are allowed. Maximum Kv is 2800. Refer to Race Tech>Motor section for additional information.

4.3.4 Gear Ratio
Any manufacturer pinion and spur allowed, tooth count must be distinguishable by markings or color for easy tech. All gears must be Pre-Event teched and painted. 
More than 25 tile straightaway - 12T Pinion / 53T Spur

4.3.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 8.5mm and the rear-wheel width is 11mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28-scale cars. The wheel and tire must fit inside the body.

4.3.6 Tires
Refer to General Rules>Tires section for information. Max tire diameter while mounted on the wheel shall not exceed 25.5mm.

4.3.7 Batteries
2-cell LiPo or 2 one-cells paralleled maximum 8.4 volts. An additional battery is allowed and may only be connected to a transponder.

4.3.8 ESC / Receiver
Any manufacturer ESC and Receiver is allowed. Sensored ESC must have and be in BLINKY MODE.
Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.3.9 Body
Any manufactured molded hard shell that fits the allowed wheelbase. All parts must be the original for that body. Limited wheel and ground clearance modifications are allowed. The body must weigh a minimum of 26 grams. Side clips if used, are considered part of the body. Lexan roofs, windows, and wings are allowed. Aftermarket plastic wings are allowed. Refer to General Rules>Body & Modifications, Hard Bodies section for additional information.

4.3.10 Option Parts
Any aftermarket 28-scale publicly available production or 3D printed parts are allowed. Prototype parts are NOT allowed. Refer to General Rules>Prototype and 3D Printed parts section for additional information. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed.

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
3500 GT INFO / RULES

4.6 3500 GT

4.6.1 Chassis
Kyosho MR03S, MR03S2, and MR03 RWD, Jomurema, GL Racing GLR, GLR-GT, GL-GTR, MRC MRC01, PN PNR2.5W,
PNR3.0, RTRC RTA, Atomic MRZ, Reflex RX28, RX28SE, NEXX Skyline, Specter, MWX R.1, G-Force Lightning

4.6.2 Wheelbase
Only wheelbases allowed shall be 98mm and 102mm.

4.6.3 Motor
Any manufacturer 3500Kv motor is allowed, sensored or sensorless. Max can diameter is 16mm. No option or aftermarket rotors are allowed. Maximum Kv is 3800. Refer to Race Tech>Motor section for additional information.

4.6.4 Gear Ratio
Any manufacturer pinion and spur allowed, tooth count must be distinguishable by markings or color for easy tech. All gears must be Pre-Event teched and painted. 
More than 25 tile straightaway - 12T Pinion / 53T Spur

4.6.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 8.5mm and the rear-wheel width is 11mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28-scale cars. Wheel and tire must fit inside the body.

4.6.6 Tires
Refer to General Rules>Tires section for information. Max tire diameter while mounted on the wheel shall not exceed 25.5mm.

4.6.7 Batteries
2-cell LiPo or 2 one-cells paralleled maximum 8.4 volts. An additional battery is allowed and may only be connected to a transponder.

4.6.8 ESC / Receiver
Any manufacturer ESC and Receiver is allowed. Sensored ESC must have and be in BLINKY MODE.
Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.6.9 Body
Lexan GT Bodies only. Refer to General Rules>Body & Modifications, Lexan GT bodies for a list of approved bodies.

4.6.10 Option Parts
Any after-market 28-scale publicly available production or 3D printed parts are allowed. Prototype parts are NOT allowed. Refer to General Rules>Prototype and 3D Printed parts section for additional information. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed.

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
Mod AWD INFO / RULES

4.7 Modified AWD

4.7.1 Chassis
Kyosho Mini-Z Racer AWD MA010, MA015, MA020 and MA030, Atomic BZ and SZ2, GL Racing
GLA, GLA Giulia, Mini-Q Q7

4.7.2 Wheelbase
Only wheelbases allowed shall be 98mm and 102mm.

4.7.3 Motor
Any manufacturer motor is allowed, sensored or sensorless. Max can diameter is 16mm.

4.7.4 Gear Ratio
Open

4.7.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 11mm and the rear-wheel width is 14mm, not including an outer flange or disk. The maximum wheel diameter is 20.5mm. All wheels must be original designs made for 28-scale cars. Wheel and tire must fit inside the body.

4.7.6 Tires
Refer to General Rules>Tires section for information. No max tire diameter.

4.7.7 Batteries
2-cell LiPo or 2 one-cells paralleled maximum 8.4 volts. An additional battery is allowed and may only be connected to a transponder.

4.7.8 ESC / Receiver
Any manufacturer ESC (sensored or sensorless) and Receiver is allowed.
Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.7.9 Body
Lexan GT Bodies only. Refer to General Rules>Body & Modifications, Lexan GT bodies, for a list of approved bodies.

4.7.10 Option Parts
Any aftermarket 28-scale publicly available production or 3D printed parts are allowed. Prototype parts are NOT allowed. Refer to General Rules>Prototype and 3D Printed parts section for additional information. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed.

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
Mod GT INFO / RULES

4.8 Modified GT

4.8.1 Chassis
Kyosho MR03S, MR03S2, and MR03 RWD, Jomurema, GL Racing GLR, GLR-GT, GL-GTR, MRC MR01, PN PNR2.5W,
PNR3,0 RTRC RTA, Atomic MRZ, Reflex RX28, RX28SE, NEXX Skyline, Specter, MWX R.1, G-Force Lightning

4.8.2 Wheelbase
Only wheelbases allowed shall be 94mm, 98mm and 102mm.

4.8.3 Motor
Any manufacturer motor is allowed, sensored or sensorless. Max can diameter is 16mm.

4.8.4 Gear Ratio
Open

4.8.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 11mm and the rear-wheel width is 14mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28 scale cars. Wheel and tire must fit inside the body.

4.8.6 Tires
Refer to General Rules>Tires section for information. No max tire diameter.

4.8.7 Batteries
2-cell LiPo or 2 one-cells paralleled maximum 8.4 volts. An additional battery is allowed and may only be connected to a transponder.

4.8.8 ESC / Receiver
Any manufacturer ESC (sensored or sensorless) and Receiver is allowed.
Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.8.9 Body
Lexan GT Bodies only. Refer to General Rules>Body & Modifications, Lexan GT bodies for a list of approved bodies.

4.8.10 Option Parts
Any aftermarket 28-scale publicly available production or 3D printed parts are allowed. Prototype parts are NOT allowed. Refer to General Rules>Prototype and 3D Printed parts section for additional information. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed.

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
Mod Open Pan INFO / RULES

4.9 Modified Open

4.9.1 Chassis
Open any 2WD chassis ONLY. Prototype or pre-production chassis allowed.

4.9.2 Wheelbase
Only wheelbases allowed shall be 94mm, 98mm and 102mm.

4.9.3 Motor
Any manufacturer motor is allowed, sensored or sensorless. Max can diameter is 16mm.

4.9.4 Gear Ratio
Open

4.9.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 11mm and the rear-wheel width is 14mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28-scale cars. Wheel and tire must fit inside the body.

4.9.6 Tires
Refer to General Rules>Tires section for information. No max tire diameter.

4.9.7 Batteries
2-cell LiPo or 2 one-cells paralleled maximum 8.4 volts. An additional battery is allowed and may only be connected to a transponder.

4.9.8 ESC / Receiver
Any manufacturer ESC (sensored or sensorless) and Receiver is allowed.
Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.9.9 Body
Lexan Pan Car and LMP Bodies only. Refer to General Rules>Body & Modifications, Lexan pan car and LMP bodies for a list of approved bodies. Cutting the rear panel is allowed.

4.9.10 Option Parts
Open any parts allowed (including homemade parts, 3D-printed, and prototype parts.)

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
AAA Stock INFO / RULES

4.3 AAA Stock

4.3.1 Chassis
Kyosho MR03S, MR03S2, & MR03 RWD, Jomurema, MRC MRC01, PN PNR2.5W,

4.3.2 Wheelbase
Only wheelbases allowed shall be 90mm - 98mm

4.3.3 Motor
Any manufacturer 3500Kv motor is allowed, sensored or sensorless. Max can diameter is 16mm. No option or aftermarket rotors are allowed. Maximum Kv is 3800. Refer to Race Tech>Motor section for additional information.

4.3.4 Gear Ratio
Any manufacturer pinion and spur allowed, tooth count must be distinguishable by markings or color for easy tech. All gears must be Pre-event teched and painted. 
More than 25 tile straightaway - 16T Pinion / 53T Spur

4.3.5 Wheels
All brand plastic and aluminum 28-scale production wheels are allowed. The maximum front-wheel width is 8.5mm and the rear-wheel width is 11mm, not including an outer flange or disk. The maximum wheel diameter is 20mm. All wheels must be original designs made for 28-scale cars. Wheel and tire must fit inside the body.

4.3.6 Tires
Refer to General Rules>Tires section for information. Max tire diameter while mounted on the wheel shall not exceed 25.5mm.

4.3.7 Batteries
Cars must be powered by 4, AAA batteries. Alkaline, Ni-MH, or Ni-Cd batteries may be used. No other type of battery may be used. An additional battery is allowed and may only be connected to a transponder.

4.3.8 ESC / Receiver
Kyosho ASF VE VE Pro MR03S RWD and EVO, PN 16A ESC (#500807 and #500807A). Any receiver with a built-in Gyro is not allowed. Gyro’s are not allowed.

4.3.9 Body
Any manufactured molded hard shell that fits the allowed wheelbase. All parts must be the original for that body. Limited wheel and ground clearance modifications are allowed. The body must weigh a minimum of 26 grams. Side clips if used, are considered part of the body. Lexan roofs, windows, and wings are allowed. Aftermarket plastic wings are allowed. Refer to General Rules>Body & Modifications, Hard Bodies section for additional information.

4.3.10 Option Parts
Any aftermarket 28-scale publicly available production or 3D printed parts are allowed. Prototype parts are NOT allowed. Refer to General Rules>Prototype and 3D Printed parts section for additional information. Adding weight via tungsten putty, stick weight, or cut hobby brass is allowed.

5 min 8 min 6 min 6 min 6 min 6 min
4 qualifiers - 5 minutes each. 10 car mains + 0 Bumps.
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