Boy was I off on this one!
Mike NF4L
On Feb 3, 2014, at 9:19 AM, Mike Reublin NF4L <nf4l@comcast.net> wrote:
> Hi John,
>
> I'm not an engineer, nor have I stayed at a Holiday Inn Express lately...
> ;-o} but I have seen one on TV.
>
> The pull will at worst be at about a 45 degree angle, and using double
> pulleys effectively halves the load to about 600 lbs. I don't think the pull
> could be more than the weight, unless it were horizontal, then you'd have to
> account for friction or the fact that the load is pinned in place by the base
> bolts.
>
> I don't know if that would actually cut the draw to something the PS could
> handle, but the 55 amps is for a 1000 lb. pull. The power leads are 10 ga.
> stranded.
>
> Maybe we can get an engineer to chime in.
>
> Mike NF4L
>
>
> On Feb 3, 2014, at 8:53 AM, john@kk9a.com wrote:
>
>> I am not a mechanical engineer, wouldn't the pull on the cable be
>> significantly more than the weight of the tower when tilting it? Then you
>> plan on running a 55 amp motor with a 20 amp power supply?
>>
>> John KK9A
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