Tamiya DB-02 Leonis: Spring! GPS Speed Test and First Run in the Sun 2019!

First run in 2019 and GPS Speed Test with the best handling buggy in my collection, the Tamiya DB-02 Leonis 1/10 4WD Semi-Race Spec Buggy.

Here it is with the GoolRC bruhsless system, the new pinion gear, changed gear ratio and the new slipper-clutch. Still almost stock, but a lot has changed since the first speed test with the 119T pinion and the Tamiya Johnson Silver Can motor. Now it's ready for the new season! See below for more information, videos and links.

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It could arguably be geared even higher, but this, I think, is the maximum gearing I will do, since I definitely can feel a little decline in acceleration and torque with the change from the 19T to the 23T pinion. So if I still want it to do great off road, this will have to do. If I ever want it to go faster a, 3S LiPo or an increase in kv could be an option instead. But I think it will be alright for now. Other Tamiya upgrade projects awaits!

Here you can find some of the previous videos with the Tamiya DB-02, from the arrival to the first GPS speed tests and off road run:

Episode 0: https://youtu.be/wid9O0cSXS0
Episode 1: https://youtu.be/zQJ8-7WYuuo
Episode 2: https://youtu.be/5xNwDF_1yj8
Episode 3: https://youtu.be/ZbZy4HKkguA
Episode 4: https://youtu.be/1bXt6fC6AFY

Short GPS Speed Test 1 (27T Brushed Silver Can and 19T pinion): https://youtu.be/Hg9qyRweFXc

Short GPS Speed Test 2 (3900kv Brushless and 19T pinion): https://youtu.be/pg4VHbbsY5w

Ready for the Spring Part 1: https://youtu.be/rgEPnNv-pTw
Ready for the Spring Part 2: https://youtu.be/degJSF6tlBQ
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Tamiya Leonis 58507 Specifications:
- 4WD Shaft-Driven
- Chassis: DB-02 Fiberglass-Reinforced Nylon Resin Bathtub Frame & Upper Braces
- Suspension: DB-01 Double Wishbone Front/Rear
- Originally released in 2012
- Body designed by TOM's Racing Team
- Length: 410mm
- Width: 248mm
- Height: 139mm
- Weight: 1,165g (not including R/C units, battery pack)
- Wheelbase: 280mm
- Tread: 214mm (Front), 210mm (Rear)
- Tire Width/Diameter: 31/89mm (Front), 42/89mm (Rear)
- Shaft-Driven 4WD
- Ball Differentials Front/Rear
- CVA Oil Dampers Front/rear
- Full Ball Bearings
- Gear Ratio＝8.16：1 (when used with separately sold 23T pinion gear)

GoolRC Motor Specifications:
KV(RPM/Volt): 3900KV Brushless
Max Amps: 69A
Watts: 900W
Max voltage: below 13V
Max RPM: 50000
Diameter: 36mm
Length: 50mm
Shaft length: 15mm
Shaft diameter: 3.175mm
Plug type: 4mm golden banana plug
Item weight: 177g

GoolRC ESC Specifications:
Constant current: 60A Brushless
Battery: 2-3S Li-Po / 4-9S Ni-Mh
BEC output: 5.8V / 3A
Power supply plugs: T plug male
Motor plugs: 4mm banana plug female
Dimension: 43 * 33 * 35mm / (L * W * H) (without cables)

GoolRC Servo Specifications:
Operating Voltage: 4.8V-6.0V
Operating Speed (4.8V): 0.22sec/60° at no load
Operating Speed (6.0V): 0.18sec/60° at no load
Stall Torque (4.8V): 4.8kg.cm
Stall Torque (6.0V): 5.6kg.cm
Item size: 53 * 18 * 38mm (L * W * H)

GoolRC Transmitter Specifications:
Model name: TG3
Channels: 3CH
Remote control frequency: 2.4GHz
Mode type: RC car/boat
RF range: Less than 20dbm
Low voltage warning: yes (less than 4V)
Powere supply: 4 * 1.5V AA Battery (not includeded)
Size: 225 * 135 * 75mm
Weight: 285g

GoolRC Receiver Specifications
Channels: 3CH
Mode name: TG-3
Model type: RC Car / boat
Frequency: 2.4GHz
Power: 4.0 - 6.5V DC
Size: 30 * 18 * 13mm
Weight: 4g

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Nordic RC Visions Statement:
This video features homemade footage of my own radio-controlled unit, the Tamiya DB-02 Leonis (Tamiya Assembly Kit 58507 from 2012), from my personal RC model collection. All rights reserved. Nordic RC Visions.