[TheForge] OT -12v motors

[peter fels]

Either combo is unpleasant...dual purpose word then.

On Jun 22, 2011, at 6:11 PM, blakkpawss at yahoo.com wrote:

> I thought Shart was the technical term for when you try to fart but sh*t yourself?
> Sent from my BlackBerry® smartphone powered by Alltel
> 
> -----Original Message-----
> From: peter fels <artgawk at thegrid.net>
> Sender: theforge-bounces at mailman.qth.net
> Date: Wed, 22 Jun 2011 18:07:39 
> To: Blacksmithing List Sponsored by ABANA<theforge at mailman.qth.net>
> Reply-To: Blacksmithing List Sponsored by ABANA <theforge at mailman.qth.net>
> Subject: Re: [TheForge] OT -12v motors
> 
> "Sharts" is Jerry's amalgam of sharks and shafts and is just right!
> 
> 
> On Jun 22, 2011, at 6:00 PM, Jerry Frost wrote:
> 
>> Rotating shafts or any narrow tooling is indeed really dangerous. It's easy 
>> to take it too lightly and get careless. Drill bits in drill presses 
>> grabbing a hank of long hair are one of the most common tales of woe I know 
>> of. Heck, getting caught in the tooling of a rotary earth drill is almost 
>> always a death sentence of a most grissly manner. We had posters with pics 
>> of guys who'd gotten wrapped up in rotary tools in the drill shop, some 
>> pretty awful, the guy wrapped up with the cable in the winch drum was 
>> horrendous.
>> 
>> Anywho, keep clear of rotary stock. The guards like you describe are well 
>> worth having, anything to keep you out of the sharts.
>> 
>> Jer
>> ----- Original Message ----- 
>> From: "Andrew Vida" <osan at netlabs.net>
>> To: "Blacksmithing List Sponsored by ABANA" <theforge at mailman.qth.net>
>> Sent: Tuesday, June 21, 2011 9:24 PM
>> Subject: Re: [TheForge] OT -12v motors
>> 
>> 
>>> 
>>> 
>>> On 6/21/2011 4:03 PM, Jerry Frost wrote:
>>> 
>>>> Guards on rotating machinery are good ideas but I've had things come 
>>>> through
>>>> some guards and the ones nothing can get out of make it really hard to 
>>>> get
>>>> things in through meaning you are working at BAD angles of attack. 
>>>> Learning
>>>> to work out of the potential ballistic tragectory(sp?) is your best bet. 
>>>> As
>>>> an added safety measure, especially when others are in the same area is 
>>>> to
>>>> put something behind you like a locker to act as a scatter shield.
>>>> 
>>> 
>>> One of the most effective safety features come in basic design where the
>>> shaft is completely enclosed right to the hub.  A friend of ours in
>>> northern NJ, we can call him Dick, has a combination grinder/buffer of
>>> the 5 or 10 hp variety (not seen in a long-ish time).  The grinder side
>>> is just like a typical large frame pedestal grinder - short shaft
>>> issuing from the left side of the motor housing.  On the buffer side,
>>> the motor housing extends rightward at least a good 20 inches, the
>>> shaft/hub protruding just a few inches onto which the buffs or wire
>>> wheels are mounted.
>>> 
>>> I have found that while the wheels themselves pose a very definite
>>> safety hazard, the rotating shafts are actually quite a bit more
>>> dangerous.  Anything catching on the shaft will rapidly wind up and pull
>>> in whatever is attached to the other end.  Think "farm equipment" and
>>> "PTO shaft".  Bare shafting is hella-scary stuff.
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>> 
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