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Nov. 14, 2014, 2:54 p.m.
11/15/2014
By Aaron Waldron
LiveRC.com
The qualifying procedure at the IFMAR World Championships for the 200mm nitro touring car division places a premium on consistency as well as all-out pace - with the four best of each driver's six rounds counting, and the throwout runs used as tiebreakers, there's no time to let up. As a new rule for the 2014 Worlds, only the overall Top Qualifier transferred directly from qualifying to the 60-minute championship final, and it's only fitting that the race for the coveted spot came down to a final round battle and a tiebreaker.
Germany's Dominic Greiner, in his first World Championship, finished second in the first round, had two costly mistakes on the way to a 46th-place finish in round two, and closed out Day One with another second place finish. His fourth place finish to start off Day Two turned out to be the difference maker, as it was higher than Alexander Hagberg's fifth-place finish on Wednesday evening that broke the tie. Greiner set the fastest time in both of the final two rounds, securing the Top Qualifier position and guaranteeing himself a chance to race for the title.
2014 IFMAR World Championship Top Qualifier Dominic Greiner
Chassis: Serpent 748 Natrix
Engine: Max Power RP3.5
Pipe: Max Power 2670
Radio: Futaba 4PLS
Servos (ST/TH): Team AME Z.Z6/Futaba BLS-551
Tires: Matrix 45 shore (handout)
Body: SRC Spark
Notes: Winner of a few regional races in Europe over the last couple of seasons, 22-year-old Greiner finished second in this year's Euros 'B' and is competing in his first IFMAR World Championship.
Dominic's car is fitted with a brass front suspension mount, as well as additional ballast on the bumper, in order to make the car push on the sticky track surface. Both parts added together equal 85 grams.
In addition to the front bumper weights, there is an additional 50 grams of brass weight under the fuel tank. The ballast lowers the car's center of gravity and reduces its tendency to roll during high-speed cornering.
First used at the final round of the Euro Nitro Series, Greiner's car is fitted with a new two-speed gearbox that is two grams lighter in additional to new front and rear differentials that are smaller and lighter as well.
The steering servo is from a small German company, Team AME, which makes only four products - three different tire additives and one low-profile steering servo, which is rated at .06 seconds and 264 oz.-in. of torque at 6.0 volts, though Dominic is running an unregulated LiPo receiver pack.
Perhaps one of the most surprising items that Dominic used at this week's Worlds is the transmitter - Futaba's 4PLS. Fitted with reliable 2.4 GHz T-FHSS and telemetry-capable (though on-board telemetry is currently illegal in IFMAR competition), the sport-level pistol grip radio is available in the U.S. for just $250!
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