1) you do need at least 10 usefull (!!!) postst before you can post pictures.

2) You think an oil bath is not the way but it is the best option in what you want. And really, if you have experienced the ease of it you do not want to go different.

3) a 1000kv motor is a motor that produses 1000rpm per volt, the KV has nothing to do with Kilo Volt. But yes, a decent BL motor will survive as long you use the right value resistors. A topic to several dyno benches using a BL motor and 3 resistors as a load:
https://www.rctech.net/forum/electri...ss-motors.html