JMRCA National Championship & Warm-up Race
Date: 5 to 7 June, 2015
National Body: Japan Model Radio-control Car Association (JMRCA)
Track: Yatabe Arena
Notes about the track:
The track that will be used for the 2015 IFMAR Electric Off Road World Championship will be a temporary track (artificial turf surface) located where the carpet surface on-road track currently exists.
(Left) On-road Grand Prix track where temporary track will be located. (Right) Artist's rendition of artificial turf surface temporary track. Actual layout will vary from image.
The Warm-up Race will be held as part of the JMRCA National Championship in June, using the temporary track. The temporary track will be limited-availability track set up only during the Warm-up Race (June 5 ~ 7), the days after the warm-up (June 8 ~ 14) and during the actual World Championship (October 3 ~ 10).
Limiting the track availability will remove the advantage toward local drivers, which will lead to fair and equal conditions; a benefit to drivers from all around the world.
Time Schedule:
The following is the up-to-date schedule (as of March 7, 2015)
No practice days prior to the Warm-up Race / JMRCA Nationals
June 1 (Mon) ~ June 4 (Thu) : Temporary Track construction (Track Closed)
June 5 (Fri) : 2WD Qualifying
June 6 (Sat) : 4WD Qualifying
June 7 (Sun): 2WD & 4WD Finals
June 8 (Mon) ~ June 14 (Sun) : Practice days on Temporary Track
June 15 (Mon) : Removal of Temporary Track
Note: In order to practice on the Temporary Off-road Track on days other than the 3 days of the JMRCA Nationals & Warm-up Race, one must pay the regular track usage fees to Yatabe Arena.
Rules and Other Information
Entries for the Warm-up Race
Along with this year’s JMRCA EP Offroad Nationals will be a “Warm-Up Race” in preparation for the World Championship. The maximum number of entries for the JMRCA EP Offroad Nationals and Warm-up Race will be 150 participants for each of the 2WD and 4WD classes.
If the number of entries exceeds 150 participants, those who have passed the JMRCA EP Offroad Nationals District Qualifying Races and overseas drivers who will participate in the World Championships will be given priority.
Overseas drivers without JMRCA membership are permitted to enter the race. (However, if an oversea driver wins the race, he or she will not be given the title of JMRCA Nationals Champion.)
Rights for the Champion Title
In the JMRCA EP Offroad Nationals and Warm-up Race, there are no class differentiation in both qualifying and finals. Both Japanese and overseas drivers have the right to the Champion title for the Warm-up Race, however, only JMRCA members (those with Japanese citizenship) have the right to the Champion title of the JMRCA EP Offroad Nationals.
Number of Rounds
In general, there are 4 qualifying rounds, however, if there are many participants, 3 qualifying rounds will be run.
Controlled Tires and Inserts
The tires and inserts for the JMRCA EP Offroad Nationals and Warm-up Race will be the same controlled tires and inserts used for this year’s World Championship. Please obtain your tires and inserts before the race. They can be obtained at Yatabe Arena on the day of the race as well.
The tires and inserts must be inspected by the JMRCA staff at the Tire Area before they are glued to the wheel. Gluing is to be performed at the Tire Area and after gluing, the JMRCA staff will mark the tires so that they can be used in the race. (Do not glue the tires before inspection!)
As crowding is expected at the Tire Area, the area will also be open on the previous day. (The tire area will be open from 12:00 ~ 19:00 on Thursday, June 4th.)
There are no limits to the number of tires and inserts used during the JMRCA EP Offroad Nationals and Warm-up Race.
Controlled Tires and Inserts: Part Numbers
Tires by Schumacher:
2WD: Rear
Tire: U6558 – Mini Spike 2 Yellow compound
Insert: U6734 – Med. Rear CAT.
4WD: Front
Tire: U6810 – Wide Stagger Rib Yellow compound
Insert: U6733 – Med. Front CAT.
4WD: Rear
Tire: U6558 – Mini Spike 2 Yellow compound
Insert: U6734 – Med. Rear CAT.
Opening Holes in Wheels
According to IFMAR rules:
“Venting” holes in the internal rim of the wheel are allowed – maximum of two (2) holes, of maximum 6.0mm. diameter.
Opening Holes in Tires
Opening holes in tires is disallowed by JMRCA regulations, however IFMAR does not have such rules. Therefore, opening holes in tires will be permitted. (According to IFMAR rules.)
Other Rules for Tires
According to IFMAR rules:
“Cutting and Shutting” of tyres is not allowed. Modifications to tyre ‘tread patterns’ and ‘location beads’ are allowed by trimming or removal, but the addition of any material is prohibited excepting the glue used to retain the tyre to the wheel. Excess of glue that can be deemed to alter the performance of the tyre is not allowed.
No tyre additives other than water are allowed, inside or outside of any tyre. Only organizer provided tyre cleaning spray/fluid can be used.
Wing coloring
For EP offroad wing, both non-painted (transparent) and painted wings will be permitted (per IFMAR rules)
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