[TowerTalk] Yaesu 800 rotor pin ?

[Ed Stallman]

Thanks everyone for all the tips and good information. I'm all set and 
good to go .

73 Ed N5DG

On 10/1/2024 6:13 PM, Lee K. Brown MD via TowerTalk wrote:
> 5/16" is just slightly smaller than an 8 mm metric bolt, and should work. You can also drill the hole in the clamp out a bit and use a larger bolt. Here in New Mexico, where the wind is always blowing (we call it a breeze even if it's 40 mph) I have had multiple Yaesu bolts fail. I now use a grade 8 bolt that is the next size up from 5/16".
>
> Lee, KI7UR
>
> Lee K. Brown MD
> Emeritus Professor of Internal MedicineDivision of Pulmonary, Critical Care, and Sleep MedicineUniversity of New Mexico School of MedicineAssociate Editor and Founding Editor (“Emerging Technology”), Journal of Clinical Sleep MedicineCo-editor, Section on Sleep and Neurobiology, Current Opinion in Pulmonary MedicineChair, New Mexico Advisory Board for Respiratory CareChair, Polysomnography Practice Advisory Committee of the NM Medical Board
>    
>
>      On Tuesday, October 1, 2024 at 04:08:38 PM MDT,john at kk9a.com <john at kk9a.com> wrote:
>
>   Some people are against pinning a mast however Yaesu rotator clamps are
> designed with a bolt through the mast.  I followed the manufacture's method
> at my windy P40A station and never had a rotator issue.  If I recall, Yaesu
> uses an 8mm socket head cap screw. and I believe they call for a Ø9mm hole
> 50mm from the end of the mast.
>
> John KK9A
>
>
>
> Ed Stallman N5DG wrote:
>
>    I'm using the rotor turning  a 6m 30ft boom.  It has slipped at the
> rotator from Hurricane  Beryl . I would like to pin the mast , not
> having the manual , what diameter bolt is needed ?
>
> Thanks Ed N5DG
>
>
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