i bought a castle sidewinder 5700kv sport and i got a 5000mah 2s lipo 25c. got it all put together and i did the quick set up which is just the full throttle makes noise then reverse then neutrel, it works fine up untill about 15 yeards away from me then it starts to cut in and out. please help ive only been in this hobby for 2 weeks. i tried calling castle creations but there out of the office till next monday due to easter