Download: HUMLA Superclass Crawler, first test run

By B2Humla


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RC car scale: Super class Crawler, 1/8 scale.
Name: HUMLA (Bumblebee in Norwegian)

Axles: RC4WD Super Bully Light Weight Axle (65:1 gear ratio)
Motors: 2x Holmes Hobbies TorqueMaster Pro 540, 45T
ESC's: 2x Holmes Hobbies TorqueMaster BR-XL
BEC's: 2x Castle Creations BEC 10A (6.4 voltage set)
Servo's: 2x Hitec HS-7955TG
Battery: Haiyin 3S (11.1v) Lipo 1600mAh - 30C
Transmitter: FlySky FS-GT3B (with firmware hack/update)
Chassis: Chaotic Crawlers Super Switch (modified 2cm wider)
Wheel rim: HPI Blast Wheel (narrowed from 70mm to 45mm)
Tires: Hot Bodies Sedona 2.2 (cut and glued)
Wheel complete: diameter near 8 inch = 20 cm
Wheel base = ca 17 1/4 inch = 44 cm
Shocks: From RC4WD, Spark Comp Shock with Ti Shaft (110mm)
Links: Homemade 6mm aluminium rod (drill and tap for rod ends)
Servomounts: Homemade 4mm aluminium, painted black.
Bumpers: Homemade 2mm aluminium, painted black.
Motor protection plate: 1mm aluminium, painted black.
Knuckle weights: 2x Blue Monkey Knuckle Weights for Bully Super
Weight: 4.3 kg with battery and a total of 400 gram knuckle weights
Max speed: With todays setup (45T motor, 10T pinion, 65:1 gear, 8 inch wheels, 3S lipo) around "fast walk" 7 km/h. Slow speed control is more important for a crawler RC car.

Recommended website for more information about super class crawlers:
Or Google it.