Freewing F4 Phantom 90mm TrueFire and BlueFire LED Afterburner Style:Select-A-Fire BlueFire 4S (40mm Motor) Universal Mount 1) Remove the motor per

1) Remove the motor per the manual instructions

It gets really good around 30% throttle input

PN 28IN - Original version (Motor PN: 2860-Kv1850 inrunner

To map the throttle with a Spektrum radio follow these steps-

Installation instructions:

Freewing F4 Phantom 90mm TrueFire and BlueFire LED Afterburner Style:Select-A-Fire BlueFire 4S (40mm Motor) Universal Mount 1) Remove the motor perTwo options are available: 6S system PN 36IN 6S balance lead 36mm diameter inrunner motor PN 3668 1960 8S System PN UNIV options for a 4S or 6S balance lead connector (See our note below on series wired battery setups). Works with motor PN 4075 1350kv 40mm diameter inrunner motor. For the 8S PN 4075 1390Kv 40mm diameter inrunner motor we will provide a universal (UNIV) mount mount. See our Universal Mount instructions here https: fiftytwoeightyrc. com