Neidhart Performa Racing HMX 8 Instruction Manual
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ITS NOT NORMAL TO HAVE GLITCHES/STUTTERS OR NO POWER, IT MEANS SOMETHING IS WRONG. YOU NEED TO STOPUSING THE ESC AND FIX THE ISSUE. SWITCHING THE ESC OFF AND ON AGAIN WILL NOT FIX ANYTHING! IF YOU DON’TFIX THE ISSUE, YOU WILL BlOW UP THE ESC!Following the release of the HMX 8 ESC and feedback from customers and the issues they might have had, I feel the need to provideextra information. Please read and comply with the following recommendations.● The HMX system is a full sensor system, the ESC needs a continuous and clean sensor signal (hence the special Performamotors). There cannot be interruptions or interference of the signal. If the signal is not clean, the ESC can malfunction or fail. Thismeans that the installation needs to be tidy and reliable.● 1/8 scale cars put a massive load on electronics and the chassis flexes considerably under the mechanical stresses of jumps,landings, crashes etc.● The components inside the car have a tight fit, it means there is a chance that they will crash one against the other in case of highflex, like on missed landings and crashes.● Some cars have a very tight fit, there have been issues because of the ESC hitting the sensor wire/sensor port on the back of themotor. The sensor wire gets damaged, sensor signal is compromised, the ESC can malfunction and if you don’t stop using the ESCimmediately there is a good chance it will fail.● You need to think about the chassis flex when you install your electronics, wires need to have enough give so that they can movearound with the chassis when it flexes and you need to protect connections from damage if other components are likely to hit them.● You need to install the sensor wire so that it is protected from mechanical stress and damage and you need to check its stateregularly.● Basically you can use things like Zip Ties to manage the direction you want wires to point into, but if you decided to make the wirestight you really need to make sure there is enough give to allow them to follow the flex of the car. Otherwise extreme forces will pullon the wires or connections. I’ve seen installations with wires as short as possible and in my opinion, it is certainly not the safestway to do it even if it looks “professional”, it’s best to leave an inch of wire so that it can flex around.● Do not attach the sensor wire together with the motor wires and do not route it with the motor wires as the current going through themotor wire can cause interference to the sensor signal.● Keep the sensor wire away from the motor wires.● Install the capacitors where they are out of the way and not pulling on their wires.● We recommend using very thick or two layers of double-sided tape to attach the ESC to the chassis this will help dampen impactsetc. than can mechanically damage the ESC.● You need to use strong and reliable connectors for the battery. Gold plugs etc. will loosen up with time and you need to “re-open”them regularly so that they always fit tight inside the battery tubes.● Loose plugs will increase the electrical resistance and current, overloading the ESC and ultimately causing it to fail if the issue isnot fixed in time. Also here don’t make your wires unnecessarily short, It will only cause issues.We have tested the HMX ESC with all popular transmitter brands, even low end RTR stuff and it has always worked for us. We cannottest every single transmitter/receiver combination in the world. If the ESC is not calibrating:• Use a fresh memory profile inside the radio without any trims/curve/expo/abs active.• Try using the reverse function for throttle channel• Make sure your radio is functioning properly• Check that the throttle travel is correct and not glitching/jumping• Check that the throttle neutral point is not glitching/jumpingCopyright © 2019 Performa RacingPerforma Racing is a trademark of Neidhart SA, SwitzerlandRULE #1!HMX AND 1/8 SPECIFICITIESINSTALLATIONBATTERY CONNECTIONSCALIBRATIONHMX 8 TECHNICAL INFORMATION |
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