[TowerTalk] Rotor on the verge of failure? - Follow up

[Tony]

On 4/15/2010 5:52 PM, Roger (K8RI) wrote:

>I've not seen any rotators using planetary gear trains that offered much
>resistance to rotation. IOW you can probably turn most any of them by
>hand when the wedge is disengaged, which is the reason I went to
>rotators that use double worm gear drives.


Thanks for the reply Ron. I understand that Yaesu uses gear reduction as the braking system instead of a wedge. If that's the case, it could be that the noise is being cause by wear on the gears. Don't know.

Tony -K2MO


>
> Tony wrote:
>    
>> On 4/13/2010 8:05 PM, ronald schmid wrote:
>>
>>      
>>> Get up their and make sure the bolts are all tight. Mabe it will make the noise while your up their Ron / N6DCN
>>>
>>>
>>>        
>> Ron,
>>
>> Ive been on the tower several times (see link below). Tower / rotator
>> bolts are tight. The noise seems to be coming directly from the rotator
>> itself and some say it's normal, others say it's not. I'm hoping that if
>> it does fail, it will freeze and not free-spin. Not sure what to expect
>> with Yaesu's planetary gear rotators.
>>
>>      
> I've not seen any rotators using planetary gear trains that offered much
> resistance to rotation. IOW you can probably turn most any of them by
> hand when the wedge is disengaged, which is the reason I went to
> rotators that use double worm gear drives.
>
> 73
>
> Roger (K8RI)
>    
>>    http://www25.zippyshare.com/v/53201444/file.html
>>
>> Thanks,
>>
>> Tony -K2MO
>>
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>>      
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