3racing cactus setup

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Buying Format. All Listings. The main portion incorporates wiring tunnels to keep things neat and tidy under the body. Both pieces are made from composite plastic and have more flex when built in the rear-engine configuration than the mid-engine configuration.

This is good because when using the Cactus on loose dirt in the rear-engine configuration, the flex will help increase traction. The chassis is narrow so the ESC must be mounted centrally, above the battery on a hinged battery hold-down or graphite ESC plate.

Each shock features a threaded aluminum body that is PTFE-coated with an adjustable pre-load nut for quick easy adjustment. The plastic shock caps feature a bleeder valve that makes building the shocks quite painless. The shafts are TiNi coated to resist scratches. The kit comes with 1. I used the 1. The center link features horizontally mounted ball studs that the steering turnbuckles attach to.

Because the ball studs are horizontally mounted, it allows the turnbuckles to pivot more freely as the suspension moves and also allows for painless Ackermann adjustment. The bellcrank does not incorporate a servo saver like other vehicles. When in the mid-motor configuration, the transmission uses a different case and is a 4-gear configuration. It also has a 2-pad type slipper clutch, similar to what is used on vehicles by Team Associated, with a large adjustment spring to smooth out acceleration and protect the drivetrain.

A durable black plastic gear cover, with an easy to remove cap, keeps dirt and debris away from the pinion and spur gears. Not only does it look sharp, it increases down force to improve steering and traction. Like when I reviewed the rear engine version, I sent the body to Bradley Farmer for paint. Bradley uses Parma paints, is one of the best painters on the planet and a great many factory drivers seek him out to paint their lids.

As usual, he made yet another masterpiece for me! They mount to 12mm hex adapters and feature the same offset as the Team Associated B4. While these would be great on a rear-engine buggy, they would not be ideal on a mid-motor buggy. They are more suited to off-road carpet racing like I will be using this Cactus on. SkyRC might not be a household name when it comes to electronics but they should be.

The Toro TS Competition ESC with Aluminum Case is no larger than similar speed controls and has some spectacular features that other manufacturers are still working to perfect, like the ability to be programmed via Bluetooth with an iPhone. I mounted the TS on the center-hinged battery strap on the Cactus and wiring, for the most part, was very straightforward.

While it did come with a sensor wire, I opted for a silicone one from TQ Wire. On the track, the stock, out-of-the-box settings were just about spot on. It has an exceptionally smooth power band and linear break.

I ran the Cactus hard for about six to seven minutes and throughout the run, acceleration and braking remained consistent. When I pulled the Cactus from the track, I decided to dial out some drag brake using the Bluetooth module and my iPhone.

The process took two minutes and the result was exactly what I hoped for.