Donek
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Posts posted by Donek
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56 minutes ago, Eboot said:
Interesting fact! I was discussing same with a colleague and mentioned that (I believe) that hard carving can result in several g's of force and the source of my information was challenged. Anybody have any fact based stats for g's bulled in a hard carving turn? Happy to take this to a separate thread if required.
There was a device for measuring g-forces that was being passed around a few years back at a couple of SES events. No you can just put an app on your phone.
https://play.google.com/store/apps/details?id=com.haofu.gforcemeter&hl=en_US-
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Most snowboard manufacturers have gone to an insert with an even smaller base and lower retention strength. At this point in time, we order the old inserts as a special order. I would not trust a board made by a mass producer to handle the loads created by an aluminum binding. Our construction on everything but the phoenix and park twin can handle at least 12,000 lbs of axial load at each insert. You won't find this in a mass produced board. Mark Kress rides our Saber with Bomber bindings and usually pops and insert by the end of the year. He is on snow several days a week and rides hard.
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I am getting some calls from people in a panic about broken parts, heels, and such. Last Friday a gentleman called me from A Basin (I was at Mary Jane)in a panic to get a fintec heel part. Today, a similar situation. I am happy to do what I can to help out here. I have just put 3 Fintec heels in my car for Fridays trip to A-Basin. I will also put a few boot parts in my car. Keep in mind I only have boot parts inventory, no Bomber binding or fintec parts. I'll see if I can throw in an old bomber binding or two just in case though.
I will be at A-basin on Fridays generally. If there are parts you need, let me know and I'll do what I can for you. I drive my white Chevy Volt with the DONEK1 license plate and generally park in the front row. If I am riding with my son, he will take priority and you may be on your own when installing things, so bring your own tools please or get friendly with the guys in the Base N Edge. I can only accept cash if you buy something from me at A Basin.
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I'm almost certain Ryan Knapton had videos talking about both of these models on his youtube, so you could watch them. You are also welcome to call and discuss the differences with me.
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3 hours ago, erazz said:
I hate PETG
Still, lettering aside, looks pretty good!
It can be a bit stringy., but it's stronger than PLA and a better low temp performer than ABS. It claims to be as easy to print as PLA, but I think it's somewhere between PLA and ABS. I was surprised by the warping as I had not seen any information on that being a problem.
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4 hours ago, Dan said:
Oh? I'm surprised to hear that...if so, does that mean that anyone with the designs can legally fabricate and sell TD3s?
A patent does not stop someone from producing an object unless the patent holder has the funds to sue the infringer. There is no patent on the Bomber binding. The design files would be intellectual property that could be purchased in order to make reproduction easier. Reproducing parts by making careful measurements and creating a design facsimile is not an infringement on the IP. There may be an infringement on a copyright, should one exist. Generally there is a percentage change in design that is required to overcome a copyright infringement. Google would tell you what that change needs to be. Once again the person with the copyright has to have the funds and desire to litigate the issue.
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I had warping and bed adhesion issues with the PETG. On the 3rd attempt, I just gave up and printed on a raft. That fixed the warping, but the lettering looks crappy. My riding this Friday will be in softies, so no testing unfortunately. Maybe next Friday.
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I have put all the boots on sale for $200 below their retail price. This price will be available for the next 2 weeks.
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The boots are all unloaded, inventoried and on the web site site. I will work on the liners and parts this week. The 225s are a discontinued boot, so the price is pretty attractive.
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2 hours ago, barryj said:
So Sean only got the Deeluxe inventory. Hmm?? Wonder who is the mystery Bomber parts buyer and when they will open for business?? Wonder if that person also got all the non bomber stuff, boards and bindings??
I can't say for sure what will be done with that small quantity of items. There were only a handfull of new boards there. I saw some carve company binding parts, but was no paying attention enough to look for those bindings.
1 hour ago, Lurch said:Sean would you be able to give a rough estimate of how much TD3 hardware is left? (Us Andean Vultures are impatient birds
) )
thanks
I have never assembled bomber bindings, so I can't claim to have a good eye for the number of total binding parts available. I would estimate that there were at least 100 to 200 bindings worth of some parts though. I do not know if every component had such a count. It's possible that there is a limit of only 30 pair based on a single component. There was a very large quantity of unopened part boxes labeled as Bomber parts.
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3 minutes ago, Chouinard said:
Assume that means Deeluxe boot components as well. What about Paula Liners?
I did get the boot components.
16 minutes ago, carvedog said:Any chance of replacement pads for the Fintec heel? Thx Sean.
I saw a box full of them, so they are there. I'll let the other party chime in once his deal is done.
16 minutes ago, *Ace* said:Great news, thanks Sean!
What about Fintec heel parts? Is that something that is available now or sometime in the future? I know a few guys might be looking to stock up on some of the internal parts.
I do not have parts, but I saw many many cables and handles. I would imagine the other parts are there somewhere.
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I did pick up all of the Deeluxe inventory. It is still packed in the van, but we will unload it this week and begin generating pages on the web site to sell them. I also have an order in with Deeluxe for next season, so we will be able to fulfill your needs there. If you go to the Donek web site, you will also find that we have a stock of Fintec heels and have access to more should you be in need.
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15 hours ago, jburk said:
This is from the other thread on this topic:
@Donek: did you ever get a chance to try out printing in some shims in PETG?
Not yet. Hopefully this weekend.
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Jim,
I have no expertise with Open SCAD. I would guess this isn't too tricky to fix, but the parts are not laying flat on the xy plane when created in the print mode.
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24 minutes ago, jim_s said:
Sean - I originally did some high-level research, and read that ABS tended to keep its 'useful characteristics' down to about -20C (-4F). That's certainly colder than I'll generally be man-enough to go out in, much less face here in the mid-Atlantic, but certainly, colder temps are regularly encountered in more extreme climates. With that in mind, I purchased some PETG filament, and printed up a set of shims, but my season ended before I got to try them out. PETG seems to be more cold tolerant (I read about -40c, which also mathemagically corresponds to -40F), and that seems to be beyond the temperature that even the hardiest of Manly Men would choose to head out for a carving session. These temperature ranges, I would imagine, would be what would be expected of industrially-molded components, however - I have no idea how printed materials would be affected, though I can't imagine that materials properties of printed plastic would compare favorably to those of molded plastics in any circumstance.
I had a hard time finding definitive temperature ranges, or meanings of those ranges, for plastics. Lots of info about the upper end of the scale, but not much definitive info about the lower end. As a materials guy (ie, you), I'd be interested if you could possibly shed some light on some of this (or at least let us know in which direction we might seek out such light, ourselves...) , so that sensible decisions on materials (or even whether printing makes sense or not) could be made.
I initially also did some seat-of-the-pants stress testing (at room temperature), including running the shims over repeatedly with a vehicle, hammering on them (sandwiched between 2 pieces of wood to reduce the effect of point stresses, which didn't seem very real-world), and the ABS held up Ok to that, but I'm no ASTM lab...
Since the parts are primarily in compression, I would expect them to do OK. I'm not sure how they will last in a repeated loading sitiuation though. I'm riding on Friday and will attempt to print the back heel lift and cant I have in there in PETG and see how it does on the hill.
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Yuani is out of town this week. I'm visiting with him on Friday. I have no idea what the outcome will be, so just be patient.
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14 minutes ago, jim_s said:
@digger jr - just based on the shims (ie, not taking any internal boot ramp angle into account), the stock lift shim gives about 3.5-4 degrees of lift, and the stock cant shim gives about 3 degrees of cant. Obviously, any lift or cant shims stacked on top of one another will increase in increments of those lift and cant values.
This is some pretty cool stuff Jim. I just opened them in Open SCAD. Thingiverse's customizer has never once worked for me. Have you tried them in ABS at really cold temps yet. I'd be afraid they might get brittle. I'm not familiar with the brittle behavior of PETG though. I recently got some Matterhackers PETG but have only printed one item with it. Maybe I'll print some in that and test. Thanks for sharing this stuff.
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Do you have a solid model? In general the reason printed parts are not strong enough is because people do not redesign them to be strong enough. If you copy the existing design, it will most likely fail, but if you design the part with appropriate dimensions for a 3d printed part, it might work. Unfortunately, you'll need a model of the entire mechanism to see how mods affect the function within the space available.
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So with all the engineers on here, nobody has tried to 3d print these in nylon or petg yet? I sold my pair to someone that needed parts, but it couldn't take more than an hour to model one and another couple to print. Actually Tom likes the polycarbonate as the strongest material right now:
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The base appears to be not flat. The center is low and the tail edge on the right side is also low. If this was a brand new board with a belt grind, then it is consistent for most race board manufacturers from my understandings. Most of the tuners we work with and talk to have told me that Donek is the only brand that comes to them totally flat from the factory.
I see areas of binding suck as well. Are you sure it has never been mounted or ridden? Was it waxed with the bindings mounted. That is a huge mistake by the way.
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sometimes a Variable sidecut board will do this when you over rotate or induce a twist in the board. Usually it occurs when a hard booter tries to ride a soft boot board at low angles.
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I've been using eliminator tongues for the last few years because I have a low volume ankle. They work, but progressively slip out of the boot until I find them in my pant leg at the end of the day. I decided to try a new approach this year because there was so little to loose. I used some craft foam sheets from walmart and just started putting them in the boot wherever it felt loose. I can say that it worked really well. With some minor tweaking I think I can get rid of the eliminator tongues and ride in way more comfort. I have to be a bit more careful when inserting my liner, but I had far fewer problems with the boot grasping my ankle and calf.
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I grew up with a mother that made everyone miserable with her painful ski boots, but never had any problems until a few years ago. I can definitely say my feet get worse every year.
Fin Doyle has compared me to a prom date. All I do is complain about my shoes.-
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Donek Ryan twin
in Carving Central
Posted
Sorry. Im in China and just got wind of this thread. Unfortunately I can not review our original conversation or any notes so I can not say exactly why I directed you to the knapton. Reasons I might have had could include ability level, desire for a certain turn shape or feel from the turn or the description of your riding style. I return on Monday. If there was an email thread leading to this decision, I would be happy to review it. If it was based on a phone conversation I will be unable to. It is not my practice to pressure anyone into purchasing during a phone consult precisely because i want them to have the time to research their decision. I do not.pressure customers to purchase anything, I only advise as to the best direction I think will achieve the goal that is deacribed to me.