cowana

Hi all.

I've got a Volcano EPX with the Novatech brushless 3300KV motor. I'm powering it with a 11.1V 5000mAh lipo pack (hardcase). The truck is a monster truck type, with 2.8" rim tyres. I'm using a 'mystery' brand 80A ESC.

Using a DX3S telemetry set I measured 48mph top speed with a freshly charged 11.1v lipo. Note this doesn't include tire ballooning - but it doesn't include wheels slipping, so I'll assume they cancel each other out. I'm eager to get this thing to 50 - how can I get the extra 2mph? I've already converted it to all ball bearings, and put a heatsink on the motor. I don't want to gear it up any more, as the motor currently gets quite toasty. Any ideas for the extra 4%? I don't want to spend much more money (eg a new ESC), as this is just for fun.

I know this is the on-road part of the forum, but I figured you guys would know more about high-speed (for a truck) turing than in the monster truck forum).

Andrew

Casper06

Without gearing it a little higher I would say maybe try to drop some weight if possible. I don't know anything about your truck but if they make carbon parts for it that would help.

proanti1

My Feedback: (2)

Swap the wheels to foams, they are way lighter and have less rotating mass. Plus they don't balloon. When wheels balloon they come out of balance, which will drastically effect a smooth running drive train.

Shenanigans

My Feedback: (12)

Dont you want ballooning wheels if you want a higher top speed?  The added circumference should add to the ground it can cover per rotation? 

proanti1

My Feedback: (2)

Theoretically... I have always managed better speeds with foams, I think the wheels bounce when they balloon, not allowing really good traction. Its also really hard on your bearings.