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Sept. 20, 2014, 2:24 a.m.
9/20/2014
By Aaron Waldron
LiveRC.com
Nitro racing places more importance on mechanical ability and car setup than any other form of off-road competition, and Ty Tessmann's record of racing results over the last few years speaks to how well he and his father, Gord, prepare his Hot Bodies vehicles. The winner of the ROAR National Championship in 1/8-Scale Buggy in 2012 and again in 2014, after winning a thrilling last-lap battle at Thornhill R/C Circuit in Hutto, TX back in June, Ty brought his trusty D812 to Italy chock-full of new upgraded parts. According to designer Torrance DeGuzman, these items will be available as options for the current car.
IMPORTANT LINKS
LiveRC YouTube account -- RVA (Race Video Archive) recordings of all races available to All Access Pass members
Inside defending ROAR National Champion Ty Tessmann's Hot Bodies D812
Chassis: Hot Bodies D812
Engine: O.S. B2101
Pipe: O.S. T-2090SC
Fuel: Nitrotane 25%
Transmitter: Airtronics M12
Servos (ST/TH): Savöx SB-2274SG/Savöx SB-2274SG
Tires: Pro-Line Suburbs, X1 mounted to Velocity V2 wheels
Body: Pro-Line Type R
Notes: Ty began the week with his typical starting setup, but the first run did not go well - and since then, the Tessmann team has worked with DeGuzman to make adjustments - including gradually increasing the diff oil thickness with nearly every run. DeGuzman said they've been careful to adjust shock oil viscosity with the changing ambient temperature. Caster was also increased to help make the car more aggressive through the infield.
A new one-piece wing stay replaces the four-piece design used on the kit, and most other buggies, to shave over 16 grams (18g vs. 34.5g) from the highest and most rearward spot of the car.
The rear diff case has been reengineered to adopt a design similar to that found on the D413, which uses a captured dogbone covered by a protective rubber boot.
Accordingly, the rear pinion and ring gears have been altered as well.
The new center diff mounts are split, so that the differential can be accessed without removing the entire assembly from the chassis and then disassembled - simply remove the top four screws and remove the updated top plate.
New molded brake levers replace the standard wire loops, and the brake cams are new as well.
Finally, the servo saver assembly has also received attention. Ty had opted to run the aluminum top piece long offered by King Headz, who no longer makes the item. Hot Bodies now makes the piece in black-anodized aluminum, which is fastened using an updated adjuster nut.
The adjuster nut now has a clamping design that helps prevent its setting from changing during long races.
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