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Sunday, 4 July 2021

ultralight cook system (part 3)

the first brew (dans pic)

I expected this project to be completed three and half months ago and four months later it finally is. Their isn't much to say that hasn't already been said but i'd like to immortalise the resources that made this possible in one place. 

fresh lid

The supercat alcohol stove is the brainchild of Jim Wood. Dan suggested we use a hole punch that only makes a single hole and this was a good suggestion so I suggest you do the same.  

pot o noodles

Figuring out how to use this template generator took me a very long time. This is the best document I found that explains the inputs in the generator. An important note that will make more sense after having read the document/tried to make a windshield, is that getting the windshield to wrap tight around the handles requires the use of the 'flissure' system but it is not neccesary to have the windshield tight to the handles anyway, it just looks nice. See the coffee pot for an example of the flissure system in use. 



the rule 34 of ultralight backpacking stove systems.

The kit contains, from outside in:
  • cuben fiber pot sack
  • aluminum lid
  • snowpeak 600 series ti mug
  • aluminum windshield
  • supercat stove
  • magic eraser
  • lighter


Notes on a lid:

The aluminum lid on my pot was made using the same aluminum from the windsheild. I pressed the shape using a 3D printed mold with some success. All three tabs were riveted on. 




 





Friday, 11 June 2021

The Dales Way (sucks)


Dan and Pietro at the start of the trail

It has been a while since we left the dales way and it has taken me this long to start writing about it because I didn’t really want to remember it. This is not because it was bad, as it was, on balance, good fun, but because not finishing the easiest walk in England for the second time is hardly worth bragging about. I’ve never really liked step by step trip reports because you had to be there. However I do like the tangents that come from recounting the hows of what you did, and inevitably the why's that this reminiscing leads to. How I started walking in the first place really had nothing to do with walking, and far more to do with talking about walking. I have an inevitable attraction to enthusiastic people and an unnerving predilection to say yes to almost anything enthusiasm suggests, and in this case that was The Dales Way, which is apparently very easy, so the first time we attempted it in winter and we wild camped it. When I say we talked about walking I mean that we mainly talked about gear although we did at least ostensibly touch on the philosophy of it, but that obviously felt a bit contrived seeing as even then we knew we’d basically never really walked anywhere before. And that’s not really changed. We’ve obviously walked more since then, but we spent a lot of time on this trip talking about gear and ways in which we might use it to make ourselves slightly less miserable and/or heavy which is often (although it claims otherwise) the ultralight compromise. I think we talk more about gear than about walking because the philosophy of it is best kept to yourself. This is partly because it’s actually so embarrassing to be sincere but also because it almost goes without saying and like silence it seems as though speaking would ruin it. But writing, unlike speaking, is dead quiet so at some point I’ll try and get away with it. 

Pietro dressed to pull his harmstring on the first day 

This time we tried the Dales Way was different from the first in that we had a third wheel, and also because we did it in May. I made two assumptions here, one was that May would be warm as it had been in the 20s (Centrigrade) the year before. Two was that we could sit inside of pubs. This second assumption was a bit of an odd one to make as pubs legally couldn’t let you sit inside and everyone in the uk knew this including me, yet somehow I managed to compartmentalise this information, and convince myself and I think Dan as well, that this would, for some reason, be different in Yorkshire. At my most convincing/delusional I thought that maybe due to the small size of the villages on the dales, that the landlord and the law may very well be the same person and therefore emboldened to let me dry my feet and pet their dog. For one it was not that warm, and two it was full of law abiding, and in stark contrast to the first time we tried the trail, very grumpy landlords (coincidence?). What the trail lacked in warmth it more than made up for in rain and after the first three hours my feet were almost always a bit wet. 

Dan eating a homemade clify

A moment for discomfort. Discomfort when hiking is often a reaction to the elements. Being too hot is probably the most comfortable form of discomfort. Take off a layer, go for a dip, drink an ice cold coke. Being on fire is too hot, but being too hot is basically just being on holiday. Being too cold is not that hot. Being too cold is definitely not comfortable, and you could do a little run or maybe you’ve got another layer and you’ve got a fire waiting for you at home, in which case it’s just a bit of yang to your ying. But if you’re sleeping outside under a tarp and you’re cold, few things feel like they could possibly be worse. Unless of course you’re also wet. Being wet fucking sucks. Being wet should be illegal. Being cold and wet couldn’t kill you quickly enough. I also get really bad acid reflux when I’m too cold in bed which is a nice touch. 


Coupla bros

So it was wet and we were walking. The trail starts in Ilkley which is a good place to start a walk because you feel immediately compelled to walk straight out of it. And you do but for the first few hours it does feel as though you are walking through someone’s back garden. Considering most of the trail is a public byway this is often the case as you wind through farmland dotted, in may, with lambs. The sheep on the trail definitely fall into distinct personality types. The rarest and by the far the best is the curious lamb. In nature the genes for curiosity in lambs would no doubt be swiftly culled by things that eat lambs, but seeing as the lifespan of a lamb is determined unnaturally by the farmer you would have thought that curiosity might be an enjoyable trait for a farmer to breed into his coworkers. Although thinking about it I imagine this would make them much harder to kill. The second type of sheep baas back. This interspecies communication would be cool but it often accompanied by an unconvincing charge from the entire flock in an attempt to overwhelm/annoy you with relentless baaing and fear that a farmer might uck you up for issing off his sheep 


Their are other types of sheep. Terrified and indifferent, but one brings to mind grainy cctv footage of guys booting livestock, and the other is just boring. 


Where water flows the river goes

We walked at a much stronger pace this time around. When Pietro and I first attempted the dales the sun was setting at around 4 in the afternoon and considering Pietro doesn’t usually power up before 11 this meant that we had never walked far before it was dark. In this regard the season, if not the weather, was with us, and what had previously taken two days we had almost covered in one. Unfortunately after doing his masters for a year this was far too much for pietro's atrophied twiglets to handle and they buckled in the face of such relentless progress. He returned to the comfort of a seated position on the bus home as Dan and I pressed onwards. 



As we pulled out of Kettlewell, full of optimism in the morning sun, Dan's feet began to hurt. Drawing from a past life as a shaman, I suggested he use some of the abundant moss that grows on the ancient drystone walls, and I am pleased to say that moss is a viable alternative to compeed. This was, quite literally the calm before the storm. The weather was decent, the miles were flying, and the conversation had reached a level of weirdness that is experienced only in the relentless company of another. After an unnecessary pint at hubberholme, served by a landlord who was clearly quite annoyed his business had survived the pandemic, we set off into a snow/hailstorm. This, in and of itself, was not necessarily unpleasant in its novelty, but it would unwittingly set the tone for the rest of the day as this hail melted in the half hourly cycle of inclement/clement weather.


On the way to Cam Houses


The first time Pietro and I did the dales we had gotten very lost around Yockenwaithe and, having taken the ‘wrong’ road, we had ended up at the house of Jenny whose call to her husband regarding the two hikers that had just shown up, brought him swiftly back from his darts tournament. After realising we evidently posed more of a threat to ourselves then to him and his wife, he proceeded to inform us that the man who could condense the power of a fireplace (he was a fireplace salesman) into the size of a button would be the richest man alive. A thought he struggled to express as succinctly as I have here. Nonetheless, for both him and Jenny i have nothing but gratitude and, if at gunpoint, I were forced to attempt the Dales Way again, I’d pull the trigger myself. But Hypothetically, if I did, this route would be the one that I’d take. This was, of course, not the route that we took, which instead led us to Cam Houses, ‘One of the wildest and remotest farms in the Yorkshire Dales’, presumably making it perfect for obscene amounts of beastiality. The trail to Cam Houses is a 45 degree mudslide that you are constantly walking up just to go in a straight line parallel to the main river, whilst also trying, and failing, to avoid the mini rivers that run down the hill to feed it. It was shit, nothing else to it. We were losing control of the situation and decided to take a path downhill into a logging wood that I remembered as the alternative route to find somewhere to pitch. However we succumbed to the practice of ‘maybe if we walk a little bit further we’ll find something better’ and proceeded to find the exact opposite in a quagmire which we had to leave before the morning frost melted and it stole our shoes.


Bad day for Papa Smurf


From here it was a series of universal injustices that swiftly ended the walk for us. Our feet were wet, our stomachs were empty, our resolve was strong, but our self respect was stronger. Sat at a cafe it had taken multiple train rides to reach under an awning that was equally incapable of enduring the relentless weather cycles, I looked into Dan’s eyes and I didn’t see recognition, I saw the man inside with his head between his knees. It takes one to know one. We were not having fun, and if we were to continue on this path, fun didn’t seem like an imminent prospect, and where's the fun in that? We made this decision 30 mins away from the train station, at which the train we needed was due in 20, so we flew up the hill and we made it, which made me feel quite vindicated and made my face contort into what my reflection in the train window quickly reminded me was a smile. I also lost a single sock on our race to the train which, if you ever see a single sock and wonder, bemused as to how someone could lose just one, is a possible explanation. 


Said sock frozen

It’s hard to sum the Dales Way up because one, I’ve only done half of it, and two, even though I'd quite happily never mention it again, I know we’ll be back (see point one). I won’t speak on Dan’s behalf, but I was quite happy to leave the trail because doing so wasn’t going to impact my self worth. We could have finished it despite our situation but there was nothing to gain from doing so simply to say that we had. It’s hardly K2. That being said, it is the self proclaimed ‘easiest walk in England’ and it has gotten the better of me twice so for all my zen bullshit my ego will be on the line next time. Until then! 


Face down ass up, that's the way we like to ! 

To read Dan's version of events, and see more photos, click here




Monday, 10 May 2021

cricket trophy + thoughts on documentation

I think this may have been my first comission. The project took far longer than expected, but I have become used to this difference between expectation and reality. If I seperate the work I do into things done for love and money, this is in the latter category. 

Before I recount the build processes i'm going to talk about documentation. With access to a smartphone there is no excuse not to document a project, but the act of breaking a build into chapters often interrupts the flow of making. Documentation of the build process has always felt like an afterthought to me for this exact reason. It's a tangential project in and of itself and incredibly time consuming to do well, and in this way it's a lot like a blog post. However, unlike a blog post it exists parralel to, and in competition with, what you are making. There is of course the opportunity to change ones perspective and view both building and documentation as part of a larger whole. 

I started blogging because I wasn't talking about the work that I was doing. I graduated in 2020 at the height of the first lockdown. We didn't have a ceremony, and we didn't have a show. I'll talk more about why I started blogging, although I hesitate to state the obvious, but for now I think it can be summed up in a quote from Doug Mccune's talk, Desperately Trying to Remove the Air Quotes Around the Word “Artist”; 'Make things. Tell people'. To paraphrase, 'doing the work isn't enough... You can't be a dandelion that makes thousands of seeds but hides them away from the world... don't stress out as much over whether what you are making is good enough, or if it is "done" and polished and ready for the world to see... make as much as possible and send it into the wind"

Telling people is done through documentation and i'm trying to take it as seriously as making. In the case of commisioned work it is the only part of the whole project that remains with me. To that end i've started treating the shots of my work as precious things, worthy of consideration. These images were shot on fujifilm superia 200 with an Olympus XA. I will talk more about photography, why i'm shooting film, and what my goals for these shots are in a later post. 




If you had any doubts as to what I said about documentation (or lack of it) the sum total of four photos I took should convince you. To be fair i'm sure some have gone missing, I remember doing a very basic sketch of the trophy and feeling very smug about going with my first idea for the first time in four years as it's illegal to do this at university. 

Ingredients:
  1. Bat and ball provided by the client
  2. Pallet wood for the base
  3. Carbon fiber rod left over from a hiking pole project. wood dowel would have probably been better. certainly easier to glue
  4. Astroturf samples for free! if you ever need to turf a desk sized area out of random patches of astro you shouldn't be paying for it. 
  5. Brass plates were from a trophy store. The battery plate was left over stock of my own. 
  6. Mixture of red and yellow flicker LED's
  7. Switch from RS components 
  8. Some 3D printed housing stuff
  9. Cotton wool 
  10. Hot glue 
Why is the next bit of text all the way down here? Ask the developers of the compose interface. 
Construction of the bits should be fairly self explanatory. bit of glue, bit of solder, make a circuit, add a battery etc. This wasn't a particularly interesting project in terms of process but I think the result is quite compelling. 












     






Sunday, 9 May 2021

my glasses (pupdate)

The grade 5 titanium arrived and was clearly a much better fit for the frames than grade 1. It is far less ductile and has some of the 'springiness' of stainless. There isn't too much to say regarding process as it remains practically identical to my last post, which is the beauty of CNC machining. Modelling and setup take a long time, but you only really have to do it once barring minor changes to the part and stock. Speaking of minor changes, tabs were added to increase the surface area of the glue and the depth of cut was increased to ensure full penetration of the stock (kinky). 



This doesn't capture the silkiness of
the sandblasted finish 

fig 1.


This second run came very close to being the last but unfortunately there were some issues: 

  1. On test fitting the arms whilst the part was in the machine it seemed tight. Instead of trusting the measurements we opened it up 0.25mm (the diameter of an accupuncture needle) and consequently the fit was sloppy which meant the arms had far too much play up and down. Edit: I've just realised that this probably meant 0.5mm total which would explain it 
  2. The hinge snapped in exactly the same place as my original glasses (fig 1.). This is evidently a weak point which I will have to strengthen. I'm fairly confident that this piece can't be solid as I think it is used to open the frame up for lenses. 
  3. On closer inspection of my canvas (shown in my last post) I had neglected to model a small indention of about 1mm at the end of the hinge which allows the arm to slot in and rotate around. This was cut with a dremel on this part but this is easily added to the model and fusion will update the toolpaths to suit automatically.
Solutions and other points:
  1. For the fit of the arms, stick to the measurements! There is always self destructive tendency to assume you know better than the tools which is apparently emboldened by constantly being proven otherwise. 
  2. For the snapped hinge there are a few options but I think the most logical is probably just to offset the toolpath by 0.5mm making the frames that much thicker. Titanium work hardens very easily. At a molecular level a work-hardenable (new word?) material exhibits a 'defect free pattern' which is to say it's molecules are aligned in a consistent pattern that is deformed when the material is work hardened through say, bending, squeezing, sheering etc. These deformations create obstacles and 'pinning points' in the materials structure which compound, impeding the motion of other molecules and therefore increase the materials strength through resistance to further change. Unfortunately by deforming the material and introducing these deformations, you also make the material more brittle as the molecules are less able to slide past one another as they do in a ductile (pliable) material. Instead the molecules are forced up agaisnt one another until breaking point and the material snaps as it did in the hinge of these glasses. If it seems like I just read the wikipedia article before writing that, it's because I did. Fortunately there is a process (and another wikipedia article) called Annealing that involves heating a material to above its recrystalisation temperature which allows the molecules to 'relax'  back into alignment reintroducing ductility. Unfortunately, for titanium this occurs at 600-750C which are the kind of temps I do not have access to. 
  3. The finish this leaves had me swearing oaths. I'm not one for finishing (honesty of process and all that) but this may have changed my mind, it doesn't hurt that it's also a very practical way of removing burrs left by the machining process.    

Wednesday, 28 April 2021

my glasses

image by Poppy Thorpe

My glasses are a pair of Mykita Claas. Here is a pair on ebay. I've had these glasses for over 6 years now and i'm sure in some small way they define me. That being said, since I broke them, i've been wearing my old glasses to very little effect. Take me back to when people gave a shit. 
fig 2. Or shouldn't
Glasses are, for anyone who wears them (whether they like it or not), a part of our physical identity, and subtly convey our interests in a way that other crutches cannot (fig 2.). It is because of this that i'm often so suprised at how little people are willing to spend on their glasses, and I suppose that this itself is insight into a bespectacled persons (misaligned) priorites.

So what do my glasses say about me? It's been a while since I was the person I was when I chose them so i'm bit hazy on the details. I know that gold was a departure from the norm. Up until that point I had always considered myself a silver person, which in my mind would correlate with a prefence for cats (and gold for dogs) although I'm not sure why. In retrospect I suppose I was trying to distance myself from the round tortoishell glasses and harry potter jibes that plauged my youth, and which to this day I have no satisfactory retort. 

Friction hinge 'whorl' on Mykita Lite frames
On a more meta level it is the hollistic approach to the design of the glasses, from production to advertisement, that I appreciate and wish to be associated with. This video frames my previous sentiments perfectly. The music, Dot by composer Chilly Gonzales, trips along with certainty, rolling through tempos with the confidence that expertise is rewarded with. Musically it reflects a combination of the two worlds that Bert Haanstra initally contrasts in his 1959 film Glas. That is the freedom of experienced hands to play with process and technique, and the apparent rigidity of mass manafacture. Dot marches tenderly to the confluence of man and machine; stamped, pressed, spun, bent, by both.                         
Perhaps that was a load of pretentious waffle (the answer to which is always to some degree, yes) and I don't want to conflate this advert with the brand because that's not what i'm trying to fetishize, but rather that this video conveys thoughtfulness and ingenuity in the process of making a pair of glasses, as well as in its depiction. And that when I sat on my glasses, and they broke, so did part of my face, and that they are worth repairing. 

The frames are made of very thin stainless steel. I temporarily superglued everything together, topping up as it inevitably broke apart. I also tried soldering the arm back together but stainless steel requires both special flux and wire to be soldered together and in hindsight, combined with a very small surface area to solder to, it was never going to work. 

An optician suggested I send it to a man with a very expensive laser welder but he sounded like a bond villian so I didn't trust him. Instead i've decided to CNC the front piece of the frame out of titanium.

This is a good oppotunity to talk about process. A number of projects require you to copy an existing object into 3D modeling software which is difficult to do accurately without a scale canvas to work off of. By placing your object next to something of known scale and taking a photo tangent to the object you can use fusion 360's scale canvas feature to produce an accurate canvas to work from. 


For such a simple model generating logical tool paths is incredibly simple. I suppose it needn't be very hard but it is very impressive to use such a powerful tool as a complete novice without feeling intimidated. 

Tooling is from APT tools.





0.5mm end mill
The titanium plate was glued down to a flat piece of foam to prevent the need for tabs, but I didn't do a very good job, and the first pass pulled the part from the foam 'ruining' it. I don't dislike the hole in the brace, and it has made me wonder if it's worth doing something with this space instead of just hollowing it out. Although i'm not sure if the possibility that this will become a suntan stencil outweighs any benefit.  

Unfortunately the limits of the pure titanium were immediately apparant as it was incredibly soft, and easy to bend, with none of the spring of the stainless steel original. I hope that this is an issue with this particular grade of titanium, grade 1, which is 100% pure, and i've ordered an alloy, grade 5 which will hopefully solve these tissues.   























anodising with a blow torch


Thursday, 1 April 2021

spidercrank

I needed to buy new cranks which is fairly daunting because cranks are fairly specific things. To give you a taster this was the title of my mental wanted ad on retrobike: 175mm 110BCD Shimano XTR FC-M952 JIS taper, crank arms only. Obviously this was an impossible ask as the FC-M952 crank only came with Shimanos proprietry (take a shot) octolink spline, but you already knew that. 

A different pair of cranks then, and after multiple messages back and forth to an ebay seller to make sure I wasn't paying for something I couldn't use, and being confidently reassured that I was in fact getting what I needed...





haha, every cloud has an alminum lining!

So i needed a new blue bit, and on these RS7? middlburn cranks it's a seperate piece held onto the crank arm with a combination of proprietry (shot) spline and proprietry (shot) lockring. They're also about £70 new, and impossible to find used. Talking to Odin my predicament came up and he suggested we mill something on his 5 axis (3 functioning) cnc machine. Although for Odin the problem is a secondary concern to the solution, which is always, mill something on the cnc machine. As far as I know, he's never been wrong.

Doing the bare minimum, my specialty!









Autodesk just released Generative software as part of a Fusion360's subscription. This basically takes force input on a part, in this case, rotational force on the chainring bolt holes and spline interface, and then uses a machine learning algorithim to optimise material placement accounting for those force inputs. The pictures show this iterative process as it goes from viable to tenuous to laughable. This had me pretty worried  
that we'd underestimated the load and where it would be applied as some of the outcomes seemed to be held together by faith alone, but this is a happy story with a happy ending so no worries.

I overnighted some 6061 aluminum stock and watched Brodin setting up the tool paths for his machine. This is some nerd shit and tbh it's pretty boring to watch and I can't imagine it's that fun to do either so thanks again man. 

These tool paths are translated into a language the machine can understand, essentially loads of XYZ coordinates, called gcode and then it's the future and the machine does all the work. Except it's not and you're Odin and you're constantly worried the machine will decide to start milling your part out of itself instead of your stock. But it still is a little bit the future as the part gradually emerges from the seminal coolant. 


all the tool paths for the front side




 













HAAS Super Mini Mill if you're in the market
 








Thanks for watching!

I do all of these posts on my computer and i've realised that the formatting is a bit funky on phones which I imagine is what most people will use to read these so i'll work on that in future.