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Hello everyone and welcome to another of my original creations.
This time it’s a remote controlled buggy, i call it “Rapid Raptor”, there’s no specific reason for the name, i just like how it sounds.

 

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If you have been following my MOC releases, you know my previous two (the “Red Arrow SUV” and the “Sporty SUV”) shared the same chassis, which featured return-to-center steering and independent front suspension; this buggy was built upon it as well and expanded on its functionality by adding rear suspension. Ok, what so special about this chassis? Well, it doesn’t use any rare parts or specialized pieces like shock absorbers, steering racks, etc… It was done using only common liftarms, connectors, axles and pins.

Now let’s talk about the buggy itself, it’s 41 studs long, 16 studs tall and 23 studs wide; i consider it to be medium-sized.
It is fully suspended, using common rubber bands, which take less space and are surprisingly responsive, having decent ground clearance.
The return-to-center steering is achieved using a PF servo motor; it is RWD, a single PF l-motor drives the rear wheels with a gear ratio of 1.4:1, it is slightly biased towards torque which is expected for an off-roader but it still runs fast as you can check on the video below.
The PF battery box is hidden by the buggy body and inaccessible, but the button to turn it on or off is linked to the rear bumper, which can be pulled or pushed to operate it.
The IR receiver is occupying the cabin, this way the sensor can receive the light from every direction.
The rear axle is exposed and while many may see this as an unfinished section, i left it that way intentionally because i like to see the gears working and the suspension doing its job; a MOC should be the reflection of its creator.

 

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This is a MOC meant to be played outdoors, so i highly recommend using a bluetooth solution if you can, because the IR receiver is useless under daylight.

 

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I hope you liked it. For anyone interested, building instructions are available at Belle-Ve Bricks

Edited by davejsp
formating

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Nice presentation!

Rubber bands do work well for suspension.

The front suspension looks quite unusual with the steering pivot set so far back from the wishbones. Is there a particular reason for that?

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6 hours ago, 2GodBDGlory said:

Nice presentation!

Rubber bands do work well for suspension.

The front suspension looks quite unusual with the steering pivot set so far back from the wishbones. Is there a particular reason for that?

Hi, thanks for your feedback!

Yes, there is... When i first started this MOC, i hadn't a clear idea of it was gonna be and the front suspension had just one single line of liftarms; later in the build, as the MOC became bigger and heavier, i noticed the front suspension and wheels were becoming stressed and misaligned, so i had to reinforce the structure and could only add parts at the front, as you can see, it looks kinda off but otherwise i would need to redo it from scratch.

I do intent to improve this structure/chassis in the future and maybe do a new MOC with it.

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