[SEL] Shearing plant questions/answers please

Edd Payne edsengns at optusnet.com.au
Wed Apr 25 18:57:58 PDT 2007


Hi Peter.Here is the mechanical information from the Cooper Sunbeam book.
Line shaft :650 rpm
handpiece :3.300 rpm
grinder : 2.400 to 2.800
Hope this helps.
EDD PAYNE
PO Box 364 Gulgong N.S.W
Australia
2852
Phone:0263742387
edsengns at optusnet.com.au
edsengns
----- Original Message ----- 
From: "Peter Lowe" <plowe at exemail.com.au>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Thursday, April 26, 2007 8:34 AM
Subject: Re: [SEL] Shearing plant questions/answers please


> Thanks Bill, you input is noted and appreciated mate.
>
> Regards
> Peter Lowe
> R&V Engine Registrar
> Australia
> Ph: 61-266453455
> http://www.oldengine.org/members/plowe/rv-engines/rvpage.htm
> http://www.oldengine.org/members/plowe/rv-engines/rv-register.htm
>
>
>
>
> Peter, I was hoping to see something more definitive come out of the list
> for you, but in the absence of that I'll take a stab at it.
>
> For speed I'd guess about 500-1000 rpm; that may be off, so be careful.  I
> expect the speed has a range that's OK, I know my Dad talked of running 
> his
> earlier setup off a hit-miss John Deere and he installed a brake drum to 
> use
> as a pulley to get the speed up.  Of course, I have no reference as to 
> what
> the other pulley was...  By the time I was hanging around and even doing a
> little shearing it had long been converted to electric.  My mind's eye
> pictures a motor, probably running at 1800, and about a quarter to a half
> speed reduction with the V belt pulleys.
>
> The down shaft was attached to about a 16-inch shaft to which we attached
> the handpiece.  I'd say if you placed the handpiece on the ground, the
> 16-inch shaft was at about 45 degrees.
>
> The grinding disks seemed to run pretty aggressively, maybe 1800 rpm.  The
> surface Dad liked the best was one where he cleaned off the disks, applied
> adhesive, and sprinkled the fine and coarse grit upon them.  He also 
> bought
> grit disks that he pasted to the aluminum disks but he felt he got a 
> better
> job with the ones he prepared himself.
>
> Hope I'm not giving you a bum steer here.  This is from memory approaching
> 50 years ago for me.
>
> There were competing schools of how best to shear a sheep.  The one that 
> the
> pro's in my area subscribed to was referred to as the Australian method. 
> In
> fact, that's the only sequence I can remember watching and certainly the
> only one I ever attempted.  I never sheared enough to get very good at it.
> Most of my time was catching and bagging.
>
>>
> Bill Brueck (brick)
> Chatfield, MN, USA
>
> Confusion is a higher state of knowledge than ignorance.
>
>
> -----Original Message-----
> From: sel-bounces at lists.stationary-engine.com
> [mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Peter Lowe
> Sent: Wednesday, April 25, 2007 5:57 AM
> To: ATIS; Oldengine.org
> Subject: [SEL] Shearing plant questions/answers please
>
> Hi all
>
> For those of you that might know a little or a lot about Shearing Plants I
> have a few questions:
>
> 1. What speed do the clippers runs at, what RPM on the final drive shaft 
> or
> down tube shaft.
>
> 2. When the clippers are attached to the down tube and the tube is hanging
> vertically, at what angle do the clippers rest on the ground.
>
> See photos attached at:
> http://home.exetel.com.au/plowe/wolseley/index.htm
>
> 3. What speed do the grinding discs run at, the disc for honing the 
> cutters.
>
> Regards
> Peter Lowe
> R&V Engine Registrar
> Australia
> Ph: 61-266453455
> http://www.oldengine.org/members/plowe/rv-engines/rvpage.htm
> http://www.oldengine.org/members/plowe/rv-engines/rv-register.htm
>
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