The HI0304042 is an RC tail boom brace produced to work with the Lepton Lex helicopter platform. Listed as L=290 and finished in black, its key function is to stiffen the tail assembly and provide a stable datum for tail trim and pitch tuning.
Installation considerations: attach the brace at the designated Lepton Lex mounting points, ensure it is straight before final fastening to prevent boom twist, and confirm there is no interference with tail rotor linkages or pushrods during movement checks.
Tuning and maintenance: employ the brace as a fixed reference when adjusting tail servo gains and mechanical pitch. Periodically check and re-tighten mounting hardware and correct any misalignment prior to intensive flying sessions.
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