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SUMMER JAM!

!

!!SUMMER JAM!!
!!SUMMER JAM!!

The Jam Series continues with... !!SUMMER JAM!!


Join us on Saturday, JULY 19th, 2025 for the next race in the 1/28 scale R/C Jam Series — !!SUMMER JAM!! Held at The Wide Water Volunteer Fire Department in Stafford, VA!


749 Widewater Rd, Stafford, VA 22554


Doors open at 9AM


Score some practice when you volunteer to setup on Friday night!

New layout = New lap records!


$40 Entry Fee– Cash or Credit accepted at the door


Lunch is included with race entry


Three classes and lunch included!

Hosted by ByebyeRacing.com + Power Line R/C


LiveTime timing + I-Lap transponders


Awards for Top 3 in each class


Same awesome classes + race program


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Class Rules:

Jam Series Truck Class

BODY: JAM SERIES TRUCK BODY REQUIRED


CHASSIS and ESC: Kyosho MR03S, MR03S2, MR03, MR04, Associated SR27 (RWD only)


Not Permitted: EVO Board or other upgraded board

WHEELBASE: RWD 94mm, 98mm and 102mm

MOTOR: Kyosho MZ9P, MZ9E Motor from RWD RTR


Permitted modifications:


Changing motor wires with same or maximum (20) gauge wire


Removing safety switch


Motor must be run as manufactured with no other manipulations or modifications

GEAR RATIO: 6T - 9T Pinion (included with RTR kits)


Stock Kyosho Gear Diff only

WHEELS: All brand plastic, aluminum, and 3D printed 1/28 scale wheels allowed


Wheel and tire must fit inside the body

TIRES: 1/28 scale tires from Marka, PN, Gekko designed for RCP Track


Not Allowed:


Traction compound on tire or race surface


Homemade tires


Foam tires


Silicon tires


Urethane tires


Ethyl Carbonate tires

BATTERIES: Cars must be powered by 4 AAA batteries, 1.2volts each


Allowed types: Ni-MH, or Ni-Cd

TRANSMITTER: Any


OPTION PARTS: Allowed from any manufacturer: bearings, wheel nuts, springs, T-Plates, disk damper


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AAA 3500 CLASS

CHASSIS: Allowed models: Kyosho MR03S, MR03S2, & MR03 RWD, Jomurema, MRC MRC01, PN PNR2.5W

WHEELBASE: Only allowed wheelbases: 90mm, 94mm, 98mm, and 102mm

MOTOR: Any manufacturer 3500Kv motor (sensored or sensorless)


Maximum can diameter: 15mm


Maximum Kv: 3800


No optional or aftermarket rotors allowed


Motors must not be tampered with or modified

GEAR RATIO:


Any manufacturer pinion and spur allowed e.g. 51T, 52T, 53T Spur, 9T-16T pinion

WHEELS:


All brand plastic, 3D printed or aluminum 1/28 scale production wheels allowed


Size limitations:


Maximum front-wheel width: 11mm


Maximum rear-wheel width: 14mm (not including outer flange/disk)


Maximum wheel diameter: 20mm


Minimum wheel diameter: 19mm


Wheels must be original designs made for 1/28 scale cars


Wheel and tire must fit inside the body

TIRES: 1/28 scale tires from Marka, PN, Gekko designed for RCP Track


Not Allowed:


Traction compound on tire or race surface


Homemade tires


Foam tires


Silicon tires


Urethane tires


Ethyl Carbonate tires

BATTERIES:


Cars must be powered by 4 AAA batteries, 1.2v each


Allowed types: Ni-MH, or Ni-Cd


An additional battery is allowed only for transponder connection

ESC / RECEIVER: Any manufacturer ESC and receiver in the same flat board configuration as the Kyosho EVO board

BODY: Any manufactured molded hard shell or 3D printed that fits the allowed wheelbase

WEIGHT: Minimum weight: 160 grams (race ready)

OPTIONAL PARTS: Any aftermarket 1/28 scale publicly available production or 3D printed parts allowed


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Open Class / Modified


Run what ya brung — no limits


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Let’s keep the Jam Series rolling and make Summer Jam one for the books!


 
 
 

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