Originally Posted by
wattsup
Hi Jim. Are you asking about the D3 or DS esc? Maybe I've missed something because I am not aware of a DS Electric Speed Controller as it relates to pattern use. Thanks in advance.
It might officially be D3 Motors and there has been some discussion on the NSRCA list. Sounds as though some were in use at the 2019 WC. It sounds as though they control RPM as a function of throttle stick position and won't let your prop wind up in vertical downlines or slow down on uplines.
Jim