Showing posts with label Snath. Show all posts
Showing posts with label Snath. Show all posts

Monday, March 28, 2016

Scythe Success in Costa Rica


Rolando (left) and Michael honing their blades. Rolando's snath seen in this shot was made of dry balsa, supposedly 'good for nothing' wood, and along with a narrow old 65 cm blade the unit was truly 'featherweight'. After being used from day one, it was still in one piece when I left...


"...the rage of the weed-whacker has not been heard from for over a month now.  Nobody, not even the workers who once rejoiced in weed-whackers, mention them; the scythe has clearly been universally accepted.  Given how workers typically cling to ingrained procedures, this is an enormous achievement!"
 -- Jagdish, from Sat Yoga Institute, Costa Rica




The Yogis and the Scythe
by Peter Vido

This little 'scythe success story' began when permaculture teacher Scott Pittman taught a course at the Sat Yoga Ashram in Costa Rica, and suggested that they 'need a few scythes on the place'. Trusting his advice, they did some research and decided to contact us. 


After a short exchange of emails, one of the members, Jagdish, promptly hopped on a plane and spent a week-long intensive scythe session on our farm in September. He went back with 50-some blades and accessories. But, being educated in other ways than hand tool use, he didn't in the end feel confident to 'properly' introduce this strange new tool to the ashram's full-time work crew of ten local farm-raised Costa Ricans who, it would appear, were born with machetes strapped to their sides. So we decided to take the efforts a step further... 

In mid-January I shed my long johns and travelled south to swap the snow for the heat of tropics, not looking forward to that part of it -- because excessive heat has never been my cup of tea. But I was surprised that up there high in the mountains, with nearly constant breeze present, a northerner could actually function. The ashram is situated amidst the breathtaking scenery of a cloud forest and though it was the 'dry' season, the landscape was green and growing vigorously. And much of it -- in line with the ashram's objectives -- needing to be cut.

The objectives are twofold:  One is to maintain a very diverse, permaculture-style ecosystem where edible crops are interplanted in creative patterns with ornamentals and native flora. Obtaining material for compost making, mulch and erosion control is an ongoing task. The other objective is the ashram's obsessive manicuring of certain portions of the grounds -- and those were maintained in accordance to the dictate of the "American Lawn Culture". Such a lawn can indeed be cut with a machete, but only at a great cost to some humans' comfort and health.


In the past I've read exclamations by those who have never tried to 'walk a mile in the machete-swinging man's moccasins' to the effect that the African or Latino men 'are not averse to working with a bent-over back'. That -- after talking to numerous such men from different countries -- I conclude, is uninformed bullshit! Those men do such work because they have to, or believe they do. Strong and agile as they generally are, many have told me that their backs and right shoulders are routinely sore. Accidents of sometimes serious cuts to the left leg are also not uncommon...


Nevertheless, I did witness much excellent machete work during the first half of my month-long stay there, and it was impressive. These men keep their machetes sharper than I saw anywhere else. The daily routine consists of scraping (not filing or grinding) the edges -- lengthwise -- with a tool self-made of a sideways-tapered 12" file, its one side shaped to a knife-like profile. This, in a way, can be likened to the grinding of Scandinavian, British or American scythe blades, except the steel is removed lengthwise and no grindstone is needed. Then the edge is finished on a stationary water-lubricated stone. In the field a smaller version of the 'scraper' is carried along and used as needed to mend the frequent nicks (because a machete's edge, more typically aimed downward, 'finds' more earth and rocks than does a scythe blade in experienced hands). 


Following this maintenance routine, I was told that the ashram's workers, on average, wear out (or break) 2-3 blades, each, per year. In view of the combined outlay ($5-10 apiece) for such a short period of use, the cost of a scythe blade (provided it is obtained through dealers who do not triple its FOB price) seems to offer a very good EROEI.

There is no doubt in my mind that both tools can (or 'ought to'?) have their niche-specific places in tropical agriculture. The machete, I agree, is an utterly useful multipurpose creation, and watching a competent native gracefully swinging it is a joy to behold. For certain tasks, the same can be said of the scythe. Not so with the other more recent among the grass-cutting alternatives -- the tool that (in his Love and Revolution) Alaistair McIntosh calls "an accursed strimmer"...

Contrary to what one might expect somewhere amidst a near pristine wilderness, I had to put up (both philosophically and psychologically) with the noisy racket of just such a thing, at least initially. The yogis had obtained 6 of them -- at the cost of $800 each -- to both ease the drudgery of their workers and to expedite the manicuring process. (For the same reason -- with the 'lawn disease' first paving the highway -- the petrol-dependent strimmers are making significant inroads into many corners of even the very poor countries around the globe. And, of course, most spiritual/ecological centers in the West are 'taken care of' in a similar manner...)


Here they were used practically on a daily basis in some place or another of the ashram's extended territory. As opposed to watching the machetes in action (when I felt 'sorry' only for the men's bodies), while witnessing the strimmers blasting small rocks in all directions, I felt additional compassion for the shredded up little beings whose homes were being mercilessly ransacked whenever the men with plastic aprons, work gloves, face masks and protective head gear showed up. With the manicure completed they departed, leaving behind the torn-up ends of plant stems crying...

But hopefully, at least in this one place, that is now over.


Here each of the workers exhibits a different posture. The nearest one is probably leaning over momentarily to pick up some trampled stems, the middle one is in the average 'comfort zone', and Rolando (furthest away) seems to be angling his tool so as to trim a side of a steep ditch. Note the heaps of grass behind them, piled up in short spells between, and nearly simultaneously, with the actual cutting. Previously, the machete or strimmer-scattrered vegetation required more work to gather for removal to composting sites, with much of it remaining behind.

And, it is a beautiful place. I had never before mowed where the equivalent area was so diverse with regards to topography, variety of plants and spacing between what was not to be cut. And it is a 'land of ditches'. Even the few relatively flat patches are rimmed or crossed with drainage ditches from a few inches to two feet in depth, all covered with vegetation that is periodically trimmed. New tree seedlings continue being planted and need to be 'protected' from disappearing in the sea of wilderness. There are raised or wood-framed garden beds with very narrow paths between them and floral designs rimmed with immaculately managed grass. The banks along the roads of this whole property (that only four wheel drive vehicles can navigate) are from two to 'infinity' high, and in places virtually vertical.

One of many examples of a snath with multiple grips. Such specimens are 'a piece of cake' to make, and as you can imagine, the left hand has more options as where and how to hold the snath than the actual grip per se.


While 'setting-up' a scythe the "ideal" lay of a blade becomes a joke. All in all, this is a paradise-like terrain for a scythe-swinging person who likes diversity. Our friend Niels Johannsen from Denmark -- the most creative mower, when it comes to scythe-wielding techniques that I know of -- would be in 'seventh heaven' there; he'd have done all that work with his one and only snath -- the one that in much of his daily work travels through his hands as if it were alive. 

A portion of the snath/blade combinations I left behind.

But to meet the needs of more common people along with these diversified tasks, I ended up making nearly 30 snaths of different sizes and with grip positions breaking many normal rules. Some snaths custom-fit for those steep banks were not much longer than their long (80 cm) stiff blade, and some had 3 or 4 grips, plus (as the need called for it) were meant to be held in more positions than that. I was glad that Ashoka, one of the yogis, had fashioned a 'shaving horse' before I came, and that two of the workers were commissioned to gather a large heap of snake-shaped branches of trees they routinely trim. Thus there was material to work with in order to make both grips and shafts in an infinity of shapes. Not many turned out typical-like. It so happens that I enjoy working with such a diversity. And between what Jagdish initially took home from our place and what I brought additionally, I had ample room for fooling around with blades/snaths fitting. The inventory of blades included products of scythe industries from Austria, Germany, Italy, Russia, Slovenia and Turkey, and they ranged from short and heavy (or light) to long and light (or heavy and stiff) and with diversely-set tangs.


Here a Costa Rica-born woman -- the chief mind behind the truly perma-cultural flavor of the ashram grounds -- is showing a fine bodily posture (but not one that in that terrain can be maintained for very long without various shifts).

One notable thing regarding 'blade suitability' was that not too many mowing sessions into the experience, the two most talented of the mowers (Parvati among the yogis and Rolando among the workers) came to appreciate the blades of the lesser weight, and overall, the 'grass' models were used far more than the heavier (per length) 'bush' blades. I was also surprised how few nicks ended up on the blades' edges in all that challenging terrain with some rocks in most places. Rolando -- the supervisor of the workers, a talented jack of all trades, but who initially seemed very reserved about the scythe's introduction -- 'made' one of my days when (as we worked near each other on his third morning of the hands-on experience and he was trimming a shallow ditch with graceful diagonal strokes) he exclaimed, more to himself than to me: "THIS IS AN AMAZING TOOL".



I was surprised how practically all of the seemingly (visually) 'tough' vegetation could be cut with a scythe. Here some dry sorgum-like plant, allowed to die and partially lay down, is easily handled with a 45 cm/300gram blade.

In closing, here is an excerpt from email I recently received from Jagdish, the ashram's member who traveled to our farm and continues as one of the primary scythe enthusiasts:


"This morning, like many these days, included a delightful hour of mowing in the stillness as the sun broke over Bodh Gaia.  You can imagine it well. Not so far away Roy and Parvati are usually found cutting the grass somewhere around Hridaya. The agricultural team will soon be joining us.  You’ll be pleased, though not surprised, to know that the rage of the weed-whacker has not been heard from for over a month now.  Nobody, even the workers who once rejoiced in weed-whackers, mention them; the scythe has clearly been universally accepted.  Given how workers typically cling to ingrained procedures, this is an enormous achievement!



The blades' edge maintenance proved to be less of a challenge on this place than I expected, perhaps because bulk of the students are already sharp-tool-using men. Rolando took to the freehand peening like fish to water, and even two of the yogis (Parvati and Kalyan) were not far behind. Here is the robust Michael at the task.


-- Peter Vido










Sources:

Text and photos from Peter Vido, and used with permission.
A shorter version of this story, with the title "Scythe Mission to Machete Land" appears in  
The Windrow, Newsletter of the Scythe Association of Britain and Ireland, No. 11, March 2016.
More information and photos can be found at the Sat Yoga Institute blog, in the post by Jagdish titled
The Scythe Comes to Arunachala






Sunday, June 29, 2014

Russian Wrap-around Grip


Easily adjustable, and no holes that weaken the snath.


Instructions for making the traditional Russian one-grip snath (with wrap-around grip) were translated in this earlier post. Here's a recap:


The grip is made from a freshly-cut branch that is bent around the snath and secured with a piece of twine.  Willow or wild cherry is suggested, with a diameter of 25-30 mm and a length of 350-400 mm. The size of the cutout portion in the middle depends on the diameter of the snath, but is typically around 80 mm, with a depth that's less than half of the branch diameter. A groove is made within the cutout portion, removing the pith and the center of the branch to accommodate bending without breakage. Grooves are carved around each end of the branch to hold the twine in place, once the handle is bent around the snath.  A thin piece of rubber (like a scrap from an inner tube) between the grip and the snath will make the connection more secure during use.


The drawings appearing above are linked images from the Russian site Pandia.ru and originate from a magazine article titled кoси, кoса by Н. Н. Рoдиoнoв, appearing in the journal Сделай Сам (Знание) 1992-02 [journal name translated as DIY (Knowledge)].
With some willow branches from my backyard and a few hand tools, I tried to make one of these Russian snaths, and a couple hours later I was mowing with it. The willow for the shaft had been cut about two years earlier, so it was quite dry and surprisingly stiff. The handle material was cut a few days prior and was kept soaking in a bucket of water until used. I did have some difficulty getting the handle piece to bend sufficiently without breaking. After a few failed attempts, I learned that the central groove in the cutout section needed to be larger than shown in the drawing (at least for the willow I was using), to result in a thinner outside wall that bends more easily. A hook knife was useful for accomplishing this.

Tools used: 
  • Bow saw -- for pruning the willow tree
  • Hand saw -- for cutting the branches to finished length, and for cutting the flat portion where the tang of the blade is clamped
  • Mora knives (3) -- straight, hooked (for the handle groove), and double-handled (like a drawknife)
  • Brace and bit -- for drilling an indent for the knob of the tang; could have used a knife instead
  • C-clamps (2) -- for clamping to a picnic table, instead of using a vise or shaving horse
  • (Rasps and sandpaper were not used for this snath.)


 Materials used:
  • Branches
  • Piece of string (from straw bale)
  • Piece of rubber (from bicycle inner tube scrap)
The selected branch had some curvature that was used as an offset to the right, which improves the balance (as described in this earlier post.) The piece of string was tied into a loop and then twisted to shorten it (resulting in a tighter grip when re-attached). The rubber was cut to size and used to prevent slipping between grip and shaft.





In use, I noticed a slight bit of play in the grip; it was not as rock solid as the drilled-and-glued grips on other snaths. I think this could be avoided by doing a better job of carving (to minimize the gaps between the grip and the shaft), and possibly by using a thicker branch for the grip (for more material to resist flexing). For the next one I make, I will try a larger branch for the grip, wider than the 30 mm shown in the drawing, which will be stronger and allow me to carve it down to customize the shape.





Sources:

Article titled «Коси, коса...» by Н. Н. Родионов, from the journal Сделай Сам (Знание) 1992-02, pages 45-69
Reprint and images from the article provided by:
Pandia.ru http://www.pandia.ru/text/77/398/102961.php
Original article appears at:
http://zhurnalko.net/=sam/sdelaj-sam-(izdatelstvo-znanie)/1992-02--num45














Wednesday, January 29, 2014

Zero-grip snaths from Finland


Photo by Pekka Helin, Museum of Central Finland
Linked from http://www3.jkl.fi/ksmuseo/paivaeilisessa






In contrast with the typical Continental and American scythes having two grips, and the Eastern European scythes with one grip, this type of traditional haying scythe from Finland has a bent shaft with no grips. In Finnish its name is Väärävarsiviikate, which breaks down to:

Väärä ("false" or "wrong") +  varsi ("arm") + viikate ("scythe")

So it seems to translate to "false arm scythe". (Is it purely a coincidence that the French word for scythe is faux, which also means "false" or "wrong"?)

The blade is attached by wrapping with a wicker-like strip of a flexible branch, and tightening it with a couple of wooden wedges, as shown below:

Linked from http://www.helsinki.fi/kansatiede/histmaatalous/karjatalous/leikkuuvalineet.htm


The scythe pictured below is from Southwest Finland. Note the difference in section views; one portion is round and another is teardrop shaped. The end of the snath is hollowed out to hold grease (more about that later).


Linked from http://www.helsinki.fi/kansatiede/histmaatalous/karjatalous/leikkuuvalineet.htm


Modern-day scythe blades from Finland have a profile unlike the typical "continental" scythes. Instead of a right-angled rib, the Finnish blades have a wedge-shaped thickening at the back of the blade, as shown in the two profiles labelled "Finsk" near the bottom of the following diagram. The traditional Finnish scythes (Väärävarsiviikate) presumably have blades with profiles similar to the one labelled "Finsk". 

linked from melicamedia.se

The Väärävarsiviikate blades would periodically be taken to the blacksmith for renovation after damage or when the edges became too thick from repeated sharpenings. The blacksmith would heat the blade, reshape it by hammering, and then heat treat it. A grinding wheel was then used to restore the bevel.

All of this information is given as background for the following video from 1936. Seeing these scythes in action can be quite surprising. (The video starts after about 15 seconds of black screen.)







Direct link to video here.


Commentary:

The film opens with a man loosening the "wicker" attachment on a scythe and taking its blade, along with five other blades, to the village blacksmith for renovation. Afterward, the blade is re-attached with some new binding material, adjusted, then wedged tightly in two places. The hafted blade is then sharpened on a boy-powered grindstone. The scythe seems to be fairly light and nimble.

Meanwhile, lunch is packed into a wildcrafted backpack, and someone gets her dress stuck in the door on her way out (a scene for the blooper reel). The group convenes, six men with scythes and two women with rakes. The men gulp down some shots while holding their scythes, and they proceed to the fields.

The scything technique is amazing, cutting with both leftward and rightward strokes, and making a sort of figure-eight swing (more like an infinity symbol). The curvature of the snath is used to facilitate the turning of the blade from one cutting orientation to the other. For the most part, the hand positions remain the same during both strokes (with the left hand at the end of the snath), but starting at 5:31 one of the men is actually switching right and left hand positions as he swings. 

The alternating strokes cut toward the left front quadrant, and then toward the right front quadrant. With the six men lined up, the right/left strokes are synchronised, presumably to avoid injuries.

When the blade is about to be honed, note the dry whetstone hanging horizontally from the belt in a flap of fabric. At 5:57, note the grease being taken from the hollow end of the snath and rubbed on the palms and the snath.

Later, they all get busy with hay rakes. At about 6:27, one of the women reverses her rake and uses the top of the handle to move some hay.

Lunch follows with some very large "bagels", and then rest time. At around 6:49, note the woven soles of their shoes. Birch bark?

Hay is then dragged on a "sledge" made from a tree branch.  One man cuts and twists a "cord" made from whippy branches, and uses this to tie up big bundles of hay that he carries. Note the "Hay Pusher" technique starting at 7:42, with women and men paired up and each pushing a hay rake. 

After the hay is taken to the storage structure, at 8:19 a woman gets a drink of water from the lake using a dipper. A communal meal follows with no individual cups or plates or bowls. Drinks are taken from the same pail on the table, and food is shared from the same bowls.

The title of the video is listed as Hämeenkyrön heinänteko. Peltotöitä vuodelta 1936 which translates to "Hämeenkyrön hay-making. Field work in 1936". Hämeenkyrön is town in Southwestern Finland, with a present day population of about 10,000.

Altogether a remarkable video. 
 


Linked from http://asfilmsgoby.blogspot.com/2010/12/hameenkyron-heinanteko.html


Linked from http://www.helsinki.fi/kansatiede/histmaatalous/karjatalous/leikkuuvalineet.htm



Linked from http://www3.jkl.fi/ksmuseo/paivaeilisessa/paja/pajat/sepp/tee.html











Sunday, December 8, 2013

Russian variations





When it comes to scythes, the Russians evidently do some things differently (compared with the typical Western European ways).  Some of these Russian methods are presented below. Seeing different approaches to familiar problems can benefit one's understanding, creativity, and improvisation potentials.

The drawings appearing below are linked images from the Russian site Pandia.ru and originated from a magazine article titled кoси, кoса by Н. Н. Рoдиoнoв, appearing in the journal Сделай Сам (Знание) 1992-02 [journal name translated as DIY (Knowledge)].

Here is a Russian scythe with a moveable grip. The advantages of such a grip include having a wide range of adjustments possible for different conditions or different users.



The grip is made from a freshly-cut branch that is bent around the snath and secured with a piece of twine.  Willow or wild cherry is suggested, with a diameter of 25-30 mm and a length of 350-400 mm.  The size of the cutout portion in the middle depends on the diameter of the snath, but is typically around 80 mm, with a depth that's less than half of the branch diameter. A groove is made within the cutout portion, removing the pith and the center of the branch to accommodate bending without breakage.  Grooves are carved around each end of the branch to hold the twine in place, once the handle is bent around the snath.  A thin piece of rubber (like a scrap from an inner tube) between the grip and the snath will make the connection more secure during use.



Although one-grip snaths seem to be the norm in Russia, this unusual style of two-grip snath was shown as an example from Lithuania: 




The blade attachment method (shown in the first drawing above) uses one or two non-adjustable rings in combination with a substantial wooden wedge. This type of wooden wedge is used with a snath having an acutely tapered end. The snath taper is evident in the drawing below which illustrates an alternative grip arrangement:




Having the snath end taper like this, instead of being squared off, will effectively make the blade perform like it has a steeper tang, which can be good for low tangs and/or tall folks. Here's a photo from Peter Vido that shows a blade attached to a tapered snath using a wedge and simple ring (with no set screws):


From ScytheConnection.com: A snath with a very acutely tapered end. For this arrangement the common set-screw type rings do not work well. However, the simple ring in the picture, held in place by a thick wedge, is a very common way of attaching a blade; many East European and other mowers prefer this method. It is in this manner that most Russian-made blades (the tangs of which are approximately 23-24 degrees) have been used on the straight one-grip snath in Slovakia by tall mowers. For this ring/wedge to hold better, the upper side of the snath’s end remains square, i.e. flat on top, instead of rounded as it would be in order to take the set-screw ring. http://scytheconnection.com/snath-and-blade-fitting/



Another method of blade attachment is this clamp, which has a lever arm and a cam:





Peening the blade is done while on the snath or off, with anvils and hammers similar to those used throughout Europe:





The Russian-style peening jig, however, is different. Instead of having a hammered cap that fits over and around a central post, the Russian jig has a hammered post that fits within a round guide:





While the design of this jig is more complex, one apparent advantage is that without a fixed central post, the part of the blade being peened is not butted against anything during the deformation, and therefore would not be dulled by the hammering. This jig has two set screws, one to hold the bottom anvil piece in place, and the other to align the hammer post and keep the up and down movements within limits.




Along with a whetstone, some Russian mowers will carry a smooth, hard steel rod into the field with them to use like a butcher's steel (labeled 2, below).




The function of the steel is to realign the edge and recover some sharpness without having to wear down the edge with the stone. During normal use of the scythe, some of the microserrations in the edge become folded over, dulling the blade. Using the steel can reposition portions of the bent edge back into the original position, restoring the sharpness to a certain extent. Some of the regular honings in the field can be replaced by steeling the edge, effectively prolonging the life of the edge. Another Russian site suggests making this scythe sharpening steel from an old triangular taper file that has been smoothed to remove the file teeth.



Below is a Russian design for grain cradles, made from durable, dry wood, with 3-5 "teeth" (depending on the height of the grain):



1 = Teeth, fitting into 12x12 mm holes in Base

2 = Rawhide straps
3 = Base, 20x20 mm wood, length 350-600 mm
4 = Ring
5 = Twine

The wooden base is firmly attached to the snath with a steel bracket, with one end of the bracket attached to the base using two screws, and the other end of the bracket clamped between the snath ring(s) and the blade tang. The lowest tooth is slightly shorter than the blade, and each upper tooth is 50-70 mm shorter than the tooth below. The teeth are sanded smooth to avoid burrs. Dry rawhide straps are twisted to connect and separate the teeth. Wet rawhide straps are used to help firmly secure the teeth to the base, tightening as they dry. The ring is attached to the snath about 15 cm below the grip, and strong twine is stretched between the teeth and the ring, for additional stability and adjustment potential. All of the teeth should be arranged parallel to the cutting edge of the scythe blade. Fabric or netting can be added,if desired, using a U-shaped frame attached to the snath (not shown).











Sources:

Article titled «Коси, коса...» by Н. Н. Родионов, from the journal Сделай Сам (Знание) 1992-02, pages 45-69
Reprint and images from the article provided by:
Pandia.ru http://www.pandia.ru/text/77/398/102961.php
Original article appears at:
http://zhurnalko.net/=sam/sdelaj-sam-(izdatelstvo-znanie)/1992-02--num45

Wedge attachment photo from Snath and Blade Fitting page at ScytheConnection.com

Painting (upper): Haymaking by Nikolay A. Sergeyev (1855-1919), dated 1887, [Public domain] via Wikimedia Commons

Painting (lower): From Mowing by Pyotr Konchalovsky (1876-1956), dated 1948, linked from Wikipaintings.org













Thursday, July 5, 2012

Take-apart Travel Snath




Alexander Vido (of ScytheWorks) designed this compact snath for his recent travels to Nepal.


The two halves of the one-grip snath are coupled by a piece of 1-1/4" copper pipe, with a bolt holding each half in place.  Attached to the removeable grip is a hanger bolt which passes through both halves of the snath (note the diagonal joint) and secures the grip to the pipe. 


                                                                           

The grip can be attached to any of the three holes, making the snath adjustable to the user's height; and the orientation of the grip can be changed to make it suitable for right-handed and left-handed users (with the appropriate blade, of course).





In the photo below, Alexander demonstrates the use of this scythe to cut wheat, using a grain cradle that he also designed.  (More about this cradle in a future post.) 






Additional information about the Scythe Project in Nepal (SPIN) can be found here.  
An excellent video showing this scythe being demonstrated in Nepal can be found here.  


Kudos to Alexander for imagining, planning, and implementing this worthwhile project!


[All photos by Alexander Vido]








Friday, May 11, 2012

Q&A: The Balance of a Scythe


A wildwood snath (made by Peter Vido from alder wood) is suspended 
by the right grip. Note the thicker upper section of the snath.


Dear Peter Vido,  
 
I was hoping you would be able to elaborate on your suggestion that the scythe be balanced along the length of the whole tool, even going so far as to suggest adding extra weight near the upper (handle) end for some models !  

An argument can be made the scythe should be bottom heavy (at the blade end). First, such a scythe would always weigh less, a good thing. Second, the tool would then be analogous to swinging a ball at the end of a rope, with great centripetal force.
 
Of course, such an unbalanced system would increase the friction between the ground and the blade making the mowing of hay (for example) harder. But some people suggest pressing the blade down on the ground when cutting a grass lawn, and a bottom heavy scythe would require less pressing.

So, does it depend on what the terrain is? on what you are cutting? etc.?

Best wishes and thank you.


Your question is logical; you are obviously considering the physics of it all. And perhaps many of the designers of the traditional snaths thought along the same lines. Were they "wrong"? Who is to say? But we all know that many traditional tools could have been designed better.

You also already know (by reading my take on the issue) that I would not want to use those heavy-nosed snaths. Not now, since I've stumbled upon what I consider a better design. And I do mean stumbled -- because I did not approach the matter as an engineer, but as a farmer guided by 'feel' rather than an understanding of physics. (I had once described the 'story' of how it happened, but perhaps it did not quite make it into electronic form...)

I presently can't take time for a long discussion on this topic, so let me get away with just jotting down a few points:

1.  Of all snath designs, the one which mostly benefits from some counterbalance for the weight of the blade, is the one with two grips pointing towards the mower. In addition, with the style of movement I advocate, the "light-at-the-bottom" unit will be most appreciated. By "light-at the bottom" I mean that a snath without 
the blade will more or less hang/lay horizontally if suspended upon a finger from the lower grip. Once the blade is mounted the unit will, of course, be heavier at the bottom.

2.  The downward pressure upon a blade during its cutting stroke is a good (sometimes even necessary) technique under many (though not all) conditions. I did not "invent" the idea, but yes, I was probably the first to present it in print -- at least in the English language. However, if you wanted to make a snath whose bottom end weight would "automatically" fulfill the function of the downward pressure, you'd end up with an awfully heavy and awkward tool overall. Keep in mind that at least half the time the scythe is used, it is not actually cutting (the backstroke already represents a half...) During all that time, a unit that feels like a well-balanced 'feather' in your hands is a pleasure to use, period. 

3.  I should also note here that for the single-grip snaths (which are held mostly at a more upright angle), there is NO advantage to have the upper end heavier; in fact it would be counterproductive (I've tried this as well).

To sum up:
Try your physics in the field; if you come up with anything revelatory, please get back to us.

With best regards,
Peter








Sunday, August 29, 2010

Black walnut snath



From the mailbox at ScytheConnection.com, sent by the happy maker of a beautiful snath:





To the Vido Family,
I want to thank you for all the fabulous information you have published. Your web pages inspired me to construct a wild-wood "one-grip" snath. I used black walnut and ash from dead wood found on the property and antique hand tools found at a garage sale. I'm so glad I found and your website and decided to build my own. I would not have been able to do it without you. Thank you so very much.

Today, I completed the setup and mowed a section of very mature forage grasses and chickweed.  I am tickled with the results.

All the best,
M.












Some initial comments from me about this snath
(Peter Vido might have other comments to add):

1.  The wood is attractive; the coloration is striking.

2.  The grip looks like it is set at a good angle (slightly toward the blade).

3.  The location of the grip looks proportionally close to the blade; I'd know more by seeing a photo of the snath being used and the resulting position of the user's body.

4.  With the curves, I can only guess at the hafting, but a more acutely hafted blade may give even better results.

5.  The tang steepness and the lay of the blade in use is likewise unknown to me at this point.

6.  My overall impression is quite positive, especially since the maker is so happy with the results.