Re-arranged-rover

From Hacky Racers Wiki


Re-arranged-rover
Built By Chris Shakespeare
Theme Range Rover
First Race ???
Current Status Active
Motor 1 x BLDC 2000W motor
ESC 1 x e-bike controller 2000W
Battery 2 x 6S 9.5Ah in series
Transmission ??:?? Chain
Contact ??
View all Racer Profiles


Background

Theme is to look like a Range Rover.

It uses the body from a kids electric car modified to fit a Hacky chassis

See more of the build log on https://www.facebook.com/JacklsRobots

Construction

How is the chassis constructed?

Majority of the chassis is constructed from 20mm x 20mm box section. Its fully welded together

The box section used allows a level of flex over rough surfaces that is beneficial

Brake Disc

Steering? Geometry?

Steering is direct in the style of a go-kart

There is about 8 degrees of negative camber and around 8 degrees of positive caster

Where are your wheels, tyres, hubs, axles from?

Majority of components are from mini ATVs

It uses tyres13x5.00-6 with a knobbly pattern.

The Hacky uses a differential using parts from a Aliexpress

It resolves the issues of a single axle causing understeer

How do your brakes work?

There is a single disc on the differential with a hydraulic caliber

The master brake cylinder is actuated directly from the brake pedal

Brake Disc

Powertrain

Motor

Uses single 2000W BLDC motor.  The chain tension can be simply adjusted by slacking a couple of easy access bolts.

ESC

1 x Whitebox 2000W e-bike controller. This has a small shunt mod to give it a bit more umph

Details of chain and gear ratio?

11: 64 sprockets through a chain

Do you have a diff?

It has a diff

Where is your battery from?

China Hobby Line 9500W 6S  2

Other Features

Changing the wheel/tyre changes the ratio of the gearing by a few percent which can be handy

Race Results

EventDriverPositionClass
Fully Charged Live 2023Jan100 - Full Size - Piloted
Fully Charged Live 2023Jan399 - Overall
Scrumpy Cup 2023Jan200 - Full Size - Piloted
Scrumpy Cup 2023Jan299 - Overall

BOM

Item Cost Total
Motor £xx £xx
Wheels £xx
... ...

Limitations

The diff can cause the unloaded wheel to spin

Resources

More detail on https://www.facebook.com/JacklsRobots/


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