ufrc ghost rabbit gr1 4wd 1:5 brushless buggy with tires

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ufrc ghost rabbit gr1 4wd 1:5 brushless buggy with tires

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UFRC Ghost Rabbit GR1 4WD 1:5 Brushless Buggy with Tires

The GR1 is nearly entirely made of metal when it is first delivered. It is no longer essential to tune parts in order to reinforce the model.

Standard features include mechanical locking on the centre and rear differentials that can be individually engaged by the radio. Naturally, in order to utilise this capability, a radio system with the necessary number of channels is needed.

Every component has been sized for maximum dependability; for example, the driveline can easily withstand 12S, and the ball joints in the lower trailing arms are standardised industrial swivel bearings with an inner diameter of 6 mm. However, our experience indicates that 12S operation is really not needed.

The front axle's oversized driving shafts are made of hardened steel that has been machined and fitted with sliding pieces for length correction and fixed joints on both ends.

With the Kevlar reinforcement in the vulcanised fabric, ballooning is virtually nonexistent on these tires. The tires are soft and flexible even with the fabric since the fabric belt can be relatively thin because of Kevlar.

All four servos (differential locks and steering) come with standard aluminium servo arms. The two steering servos have movable levers.

Every steering servo has a servo saver that can be adjusted. Included is an adjustment tool made of stainless steel.

The Ackerman rod features four ball bearings.

Hard anodised shock bodies and 8 mm piston rods are features of these shock absorbers.

All drive gears milled from steel and hardened.

It is optional to add two voltmeters to the receiver box in order to keep an eye on the traction batteries.

The cage can be removed with only 4 clips, but even that is not a requirement for battery replacement.

Ghost Rabbit GR1 (1/5 4WD solid rear axle)

Main features of the 4WD Ghost Rabbit GR1:

The strength of the components supports 12S power
The wheelbase of 1/5 scale cars: 565mm
The length of 1/6 scale cars: total length 790mm (when equipped with wheels with a diameter of 230mm)
The whole car uses mostly metal parts, so there is no need to spend a lot of money on option parts later.

With two 4S/10.000 mAh batteries and a 700 KV motor, the fully charged GR1 weighs roughly 22 kg.

If you believe that this is a heavy steamroller, you should reconsider. Better put, a "Tank on speed" would be more appropriate. Wheelies are still possible despite the weight because of the proper gear reduction, even if the controller is only calibrated for level two or four acceleration (punch).

Simultaneously, the potential for the chassis to twist is similar to that of a crawler. When you engage the diff locks, the GR1 becomes nearly uncontrollable.

Technical details:

Drive train: full-time 4WD with 3 differentials (remote rear and center differential lock as standard equipment)
Front suspension type: double a-arm IFS
Rear suspension type: solid rear axle with 4-link suspension
Scale: 1/5
Wheelbase: 565mm
Front track width: 420mm
Rear track width: 420mm
Caster angle of kingpin: 20 degrees
Front camber (adjustable): 3 degrees
Toe-in (adjustable): 3 degrees
Rear toe-in (not adjustable): 0 degrees
Rear camber (not adjustable): 0 degrees
Approach angle: about 90 degrees
Departure angle: about 90 degrees
Break-over angle: about 45 degrees
Minimum turning radius: about 1.5 meters
The maximum steering angle: about 30 degrees
Maximum gradient: about 50 degrees
Slide slope: about 40 degrees
Maximum articulation: about 80 degrees (need to remove the front and rear anti-roll bars and loosen the angle limit screws of the front shock mounting beam)

Lower trailing arm length (center/center of spherical bearings): 257 mm
Chassis ground clearance (wheel diameter 230 mm): 115 mm
Ground clearance under rear differential (wheel diameter 230 mm): 75 mm
The maximum external dimensions of the vehicle body (length × width × height): 790 mm × 525 mm × 380 mm (with wheels of 230 mm diameter and 100 mm width)
Gear ratio range: 9:1 to14.9:1 (The gear ratio can be changed by different gear set in the center gear box)
Factory standard gear ratio: 14.9:1
Gear modulus: M1.5
Number of locking differentials: 2, servos for activation not included
Locking differential positions: center and rear
Wheel size: diameter 230 mm; width 100 mm. The tires feature Kevlar fiber belt to prevent ballooning and can handle 12S power
Wheel drive size: 24 mm hex
Front shocks mounting length (two-stage springs): 170 mm
Front shock travel: 53 mm
Rear shock mounting length (two-stage springs): 212mm
Rear shock travel: 80 mm
Calculated top speed:

8S power: 80 km/h (based on a 750KV motor)
12S power 110 km/h (based on a 680KV motor) (The maximum speed is calculated based on the electronic components and the actual numbers may vary)

Weight of empty frame (excluding wheels and electronic components): 13.5 kg
Total weight: approx. 22 kg
Maximum payload of the frame: about 10 kg (do not press heavy objects or let people sit on the frame for driving operations, which may cause damage to parts)

Lubricants parameters

Front shock oil (silicone oil): 100cst
Rear shock oil (silicone oil): 100cst
Front differential oil (silicone oil): 300,000 cst
Center differential oil (silicone oil): 300,000 cst
Rear differential oil (silicone oil): 300,000 cst
Front gearbox (grease): Swedish molybdenum disulfide high temperature grease (blue)
Center gear box (grease): Swedish molybdenum disulfide high temperature grease (blue)
Rear axle gearbox (grease): Swedish molybdenum disulfide high temperature grease (blue)

(The above lubricants parameters are for reference only, and can be replaced according to your driving habits and environment)

Frame materials and parts specifications, etc.

Chassis

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining, no stamp-out processing
Surface treatment: hard anodizing and hardening
Specifications: thickness 5 mm

Front skid plate plate (standard configuration)

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining non-casting
Surface treatment: hard anodizing and hardening
Specifications: thickness 5 mm

Lower trailing arms

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining
Surface treatment: anodizing
Specifications: The thickness of the part is 30 mm

Front gear box housing

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining
Surface treatment: anodizing
Specification: wall thickness 4 mm

Center gear box housing

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining
Surface treatment: anodizing
Specifications: wall thickness 2.5 mm

Rear axle

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining
Surface treatment: anodizing
Specifications: wall thickness 4 mm

Front spindles

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining
Surface treatment: hard anodizing and hardening

C-Hubs

Material: AL6061-T6 (aluminum)
Processing technology: CNC machining
Surface treatment: hard anodizing and hardening

Differential ring and pinion (front and rear)

Material: high-strength billet gear steel, non-powder metallurgy
Processing technology: CNC gear hobbing machine
Heat treatment process: carburizing and hardening
Modulus: M1.5

Center gear box spur gears

Material: high-strength billet gear steel, non-powder metallurgy
Processing technology: CNC gear hobbing machine
Heat treatment process: carburizing and hardening
Modulus: M1.5

Differential spider gears

Material: steel-based powder metallurgy
Processing technology: hot isostatic pressing sintering
Heat treatment process: vacuum

Differential locking clutch

Material: high-strength billet carbon steel
Processing technology: CNC
Heat treatment process: carburizing and hardening
Surface treatment: electroplating

Front suspension drive shaft (CVD structure at the wheel end, universal joint structure at the gear box end)

Material: high-strength billet carbon steel
Processing technology: CNC
Heat treatment process: carburizing and hardening
Surface treatment: electroplating
Specifications: CVD end shaft diameter 12 mm; gearbox end universal joint maximum outer diameter 32mm

Center drive shaft

Material: high-strength billet carbon steel
Processing technology: CNC
Heat treatment process: carburizing and hardening
Surface treatment: electroplating
Specification: shaft diameter 12 mm

Rear universal drive shaft

Material: high-strength billet carbon steel
Processing technology: CNC
Heat treatment process: carburizing and hardening
Surface treatment: electroplating
Specifications: The outer diameter of the spline telescopic shaft is 12 mm; the maximum diameter of the universal joint is 32 mm.

Rear axle shafts

Material: high-strength billet carbon steel
Processing technology: CNC
Heat treatment process: carburizing and hardening
Surface treatment: electroplating
Specifications: shaft diameter 12 mm, non-pin positive locking structure, shaft reaches into the differential planetary gear.

Front bumper

Material: high strength nylon

Roll cage

Material: high strength nylon
Specification: diameter 10mm

Car body shell panels

Material: Polycarbonate
Specifications: thickness 1.5 mm
Clear

Receiver box: nylon

Front and rear shock absorption main parts

Upper shock cap

Material: AL6061-T6 (aluminum)
Processing technology: CNC
Surface treatment: anodizing

Shock body

Material: AL6061-T6 (aluminum)
Processing technology: CNC
Surface treatment: hard anodizing and hardening
Specification: barrel diameter 28mm

Shock spring

Material: piano wire
Surface treatment: black nickel plating
Specification: front 2.8mm/rear 2.5mm

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Stock: In Stock

Model: 10263

SKU: ufrc-ghost-rabbit-gr1-4wd-1-5-brushless-buggy-with-tires-1

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