Viper has released this 1st look at their new Copperhead sensorless brushless motors. These motors will be available in four KV rating options ranging from 3900-5200kv, and also in 550 and 540 can sizes. These motors will also be available with two different shaft sizes to choose from, 3mm and 5mm. The motor uses 4 pole design and the wires come pre-soldered with bullet connectors.
Included is a Viper Copperhead ESC which is Pro Gauge compatible and comes with 5 preloaded profiles, bullet plugs for easy install and will handle up to 3S LiPo packs. Esimated street price $149.99 for the VX4R versions (5mm) and a little less for the 3mm option.
Also a sensored version will be following soon after the release of the VX4 System which will be mid/end of November.