Regulation
[Race Rules]
■ Qualifying
The organizers will decide the groupings based on the points rankings from the previous season and the rankings from the previous race.
Qualifying will be a 5-minute lap race up to round 3. (Rankings will be determined by the total points from 2 out of 3 rounds)
*Super Lap will be abolished from the 2023 season
(Applies to all classes)
■ Advance to the finals
Two riders will advance to the finals. One will be the rider who finishes first in the B-main. The other will be the rider with the fastest finish time in all heats (excluding the top rider in the B-main). If the circuit does not allow for a 10-rider final, the winner will be announced on the day.
(Applies to all classes)
■ Finals
The final race will be 5 minutes long. However, this may change depending on the situation on the day.
(Applies to all classes)
【Class Regulations】
■TC0 Class (Entry Fee: ¥4,000)
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Reserved for top domestic and international drivers. Race regulations may change for each event.
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Unless otherwise specified, all regulations follow IFMAR ISTC rules.
Specifications:
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Chassis: Any commercially available 1/10 electric touring car
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Motor: IFMAR ISTC or JMRCA-approved brushless motor
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Weight: Minimum 1300g (measured after the run; participants must check before the run)
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KV Limit: No restrictions
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Gear Ratio: No restrictions
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Battery: Any commercially available LiPo battery (7.4V/7.6V) or LiFe battery (6.6V)
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Voltage must not exceed 8.4V at race start
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Body: Any commercially available 1/10 electric touring car body
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To prevent body tuck, either cut the rear wheel arch or reinforce it using commercially available parts or custom-made parts
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Only bodies with proper anti-tuck measures are allowed
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Weight (including wing & reinforcement parts): Minimum 60g (subject to change)
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Pre-race inspection required; only marked bodies may be used
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Tires: Control tires (announced one month before the event)
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Only two sets may be used on race day; pre-registration required
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Tire Additives: Only circuit-designated additives allowed
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Application must be done in the designated area, one heat before the run, within a 5-minute time limit
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Participants must use their own designated tire additive (if none is specified, any additive is allowed)
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Tire Warmers: Prohibited (any form of tire heating is not allowed)
■TC1 Class (Entry Fee: ¥4,000)
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Unless otherwise specified, all regulations follow the 2022 JMRCA 1/10 Electric Touring Car regulations.
Specifications:
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Chassis: Any commercially available 1/10 electric touring car
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Motor: Only Speed King Tour-approved motors allowed
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2022 JMRCA-approved 17.5T or 21.5T brushless motors only
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2021 and earlier JMRCA-approved motors are NOT allowed
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HOBBYWING XeRUN V10-G3R ROAR 17.5T & 21.5T (Sekido) are NOT allowed
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Restrictions apply to new motors
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Weight: Minimum 1300g (measured after the run; participants must check before the run)
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KV Limit: No restrictions
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Gear Ratio: No restrictions
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Battery: Any commercially available LiPo battery (7.4V/7.6V) or LiFe battery (6.6V)
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Voltage must not exceed 8.4V at race start
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Body: Any commercially available 1/10 electric touring car body
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To prevent body tuck, either cut the rear wheel arch or reinforce it using commercially available parts or custom-made parts
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Only bodies with proper anti-tuck measures are allowed
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Weight (including wing & reinforcement parts): Minimum 60g (subject to change)
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Pre-race inspection required; only marked bodies may be used
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Tires: Control tires (announced one month before the event)
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Only two sets may be used on race day; pre-registration required
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Tire Additives: Only circuit-designated additives allowed
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Application must be done in the designated area, one heat before the run, within a 5-minute time limit
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Participants must use their own designated tire additive (if none is specified, any additive is allowed)
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Tire Warmers: Prohibited (any form of tire heating is not allowed)
■TC2 Class (Entry Fee: ¥4,000)
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Unless otherwise specified, all regulations follow JMRCA 1/10 Electric Touring Car regulations.
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Retailers interested in TC2 class products can contact us for wholesale pricing.
Specifications:
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Chassis: Any commercially available 1/10 electric touring car
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Motor: G-FORCE Super Fast Type-C 13.5T
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ESC:
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G-FORCE TS50A Type-C
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BLC50 Type-D
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BLC50 Masami Edition
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BLC50 Combo-D
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Weight: Minimum 1300g (measured after the run; participants must check before the run)
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KV Limit: No restrictions
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Gear Ratio: Varies depending on the circuit
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Battery:
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Super RC Li-Po Battery Monster Power 7.4V 5200mAh 50C
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[RCF-5200-50C] / [RCF-5200-50C-LCG]
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Designated Charger: iSDT608PD
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Only the designated charger may be used; dischargers are NOT allowed
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Voltage must not exceed 8.4V at race start
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Body: Any commercially available 1/10 electric touring car body
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To prevent body tuck, either cut the rear wheel arch or reinforce it using commercially available parts or custom-made parts
-
Only bodies with proper anti-tuck measures are allowed
-
Weight (including wing & reinforcement parts): Minimum 60g (subject to change)
-
Pre-race inspection required; only marked bodies may be used
-
-
Tires: Control tires (announced one month before the event)
-
Only two sets may be used on race day; pre-registration required
-
-
Tire Additives: Only circuit-designated additives allowed
-
Application must be done in the designated area, one heat before the run, within a 5-minute time limit
-
Participants must use their own designated tire additive (if none is specified, any additive is allowed)
-
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Tire Warmers: Prohibited (any form of tire heating is not allowed)
Additional Notes:
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The race will be conducted with fixed ESC, motor, battery, and gear ratio settings.
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Only officially managed race motors will be used on race day.
[Important points for all classes]
Example of measures to prevent body entrapment
[ Example of body cuts ]
[Examples of using commercially available entanglement prevention items]
In accordance with the body regulations for the 2023 season, the Speed King Tour would like you to participate in the races with as vibrant bodies as possible.
(However, this does not mean that single-colored bodies are prohibited. Cars with single-colored bodies can still enter the race as before.)
We have set up a page introducing the official Speed King Tour painters , so please refer to it when requesting painting.
(Of course, you can also use bodies that you have painted yourself or bodies that have been painted by other painters .)
[Penalties during the race]
If any driver is found to be interfering with other cars through rough driving, a penalty will be imposed on the driver in question.
Penalized racers will have their time credited after the race.
The following three staff members can issue penalties:
・Maeda (MC)
・Takagi (operation)
・Endo (operation)
Penalties may be imposed after a post-race video review.
The severity of the penalty will be determined based on the severity of the disruptive behavior.
・Add 5 seconds ・Subtract 1 lap
The disruptive behaviors that will be subject to review are as follows. Any other behavior that the management considers to be dangerous or unsportsmanlike will also be subject to review.
- Contact from behind - Obviously reckless diving onto the inside - False start (the first offense will not be penalized, but the second offense and beyond will be penalized)
・Shortcuts ・Driving in the wrong direction ・Abusive language
In addition, there may be no penalty or a reduced penalty in cases such as "making contact from behind but waiting for the car in front to return and then restarting", "slowing down immediately after taking a shortcut", or "temporarily reversing direction to return to the course after confirming it is safe".
There may be differing opinions regarding penalties, but please follow the instructions of the race management staff.