[TheForge] Little Giant / pulley / rpm / ???

[Dave Mudge]

that sounds like Mr. Clifton. What a great character.
I have seen his power hammer vcr's

dave m

On Thu, Mar 19, 2015 at 10:41 AM, Bob <blcksmth at wcnet.org> wrote:

>     Many years ago at S.O.F.A. I asked Clifton Ralph how fast a power
> hammer needed to run. I was building a line shaft driven shop.
> After about a 45 minute lecture about everything except my question he
> asked me "How fast do you want to hammer?" Class over.
>
> Bob Willman
> The Eagle's Anvil
> Bowling Green, Ohio
> WB8NQW
>
> Freedom is a fragile thing and is never more than a generation
> away from extinction. It is not ours by inheritance; it must be
> fought for and defended constantly by each generation, for it
> comes only once to a people. Those who have known freedom and
> then lost it have never known it again.
>
> Ronald Reagan
>
> On 3/19/2015 11:09 AM, David E. Smucker wrote:
>
>> Dave,  I believe this number to be correct,  It is slow for a 25 # Little
>> Giant -- most were set up to run between 350 to 400, 375 being a good
>> number.  Remember these hammer were built mostly for drawing out and for
>> drawing out plow points as their bread and butter job.  The high beats per
>> minute work great with the lower weight hammer of the 25 #.  Force = 1/2
>> mv^2.  So while the mass is low in the 25# LG the velocity is high and it
>> is
>> squared.  Ever see Jerry Darnell hammer -- light hammer very high beats
>> per
>> minute, really moves the metal.
>>
>> Speed the hammer up.
>>
>> Dave Smucker
>> Brasstown, NC
>>
>> -----Original Message-----
>> From: TheForge [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Bob
>> Sent: Wednesday, March 18, 2015 11:24 PM
>> To: Blacksmithing List Sponsored by ABANA
>> Subject: Re: [TheForge] Little Giant / pulley / rpm / ???
>>
>>       1725 divided by 5 = 345
>>       345 times 8 = 2760
>>       2760 divided by 10 = 276
>>
>> Bob Willman
>> The Eagle's Anvil
>> Bowling Green, Ohio
>> WB8NQW
>>
>> Freedom is a fragile thing and is never more than a generation away from
>> extinction. It is not ours by inheritance; it must be fought for and
>> defended constantly by each generation, for it comes only once to a
>> people.
>> Those who have known freedom and then lost it have never known it again.
>>
>> Ronald Reagan
>>
>> On 3/18/2015 11:06 PM, Dave Mudge wrote:
>>
>>> Good evening kids,
>>> I am setting up a nice 25# Little Giant hammer and i have some questions.
>>> This hammer came with a 1-1/2 hp. motor connected to a speed reducer.
>>> The motor turns at 1725 rpm, connected to a reducer that is 5:1. The
>>> output of the reducer is connected to an 8" flat belt pulley and the
>>> hammer has a 10" flat belt pulley..........
>>> Of course the question is, How fast will the hammer be turning if I
>>> use this set up?
>>> I don't recall ever seeing a hammer set up in such a fashion, on the
>>> other hand I haven't seen everything by a long shot. So why do you
>>> think that the hammer was set up like this?
>>> In the book, "The Little Giant Powerhammer" by Richard Kern it says
>>> that the speed should be around 375 rpm.
>>>
>>> Thanks,
>>> dave m
>>>
>>>  ______________________________________________________________
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