SUMMER JAM!
- Byebye Racing
- Jun 12
- 3 min read
!
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
Purchase here- https://www.byebyeracing.com/product-page/jam-series-truck
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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