Grinding sound on HK 2403 BL 2100kv
782 views · Published 8 March 2011 · 0:23 · Indexed 15 October 2026
Channel: Serkan ÖZKAN · 2011 · Science & Technology
Why does this sound occurs? I lubricated all the bearings and tightened the screws but still the sound occurs. Li-po: 2S