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tail rotor shaft drive in the boom for the RW
Location: Qld Australia
Certificates: pilot, owner builder
Graeme Smith Offline
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#25
06-17-2026, 09:24 PM (Edited 06-21-2026, 11:33 AM by Graeme Smith.)
(06-17-2026, 02:15 PM)Lyle Swallows Wrote: so the original lower secondary bearing when loosened allows for angular adjustment for alignment, does this allow for any alignment? i can see laterally due to slotting of the holes but it otherwise has to be shimmed to the same level of precision as the upper bearing for longitudinal alignment, correct?

yes that is the design, shim to keep the correct tension on the drive belt and shim the sec gb to match it the bolt slots in the SEC GB have an up / down tolerance but not side to side
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RE: tail rotor shaft drive in the boom for the RW - by Graeme Smith - 06-17-2026, 09:24 PM

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