Search for Willow in Topics

how does pine and willow charcoal differ from plain old random tree charcoal when used in pyrotechnics? Answered

hello, i am starting up an online store, and am already starting to sell some of my pyrotechnic supplies, such as manganese dioxide and charcoal, but i just realised, on ebay (my online store is not an ebay store), people are only ever selling pine charcoal or willow charcoal! which doesnt make much sense since is a super fine powder and is made up of carbon. i need to know what makes these so much different from regular random tree charcoal that comes from just anywhere, and, is the charcoal i have now, which is of unknown origin, but mostly of from pine-like trees in the tropics, the same? i need to know if it makes any difference since i dont want angry customers demanding refunds because it isnt as good as other charcoal!

Question by oldmanbeefjerky    |  last reply

[newsletter] Racing Lawnmower, Electronic Candles, Willow Whistle...

July 17, 2008 Sign-up for this newsletter: function openSubscribePopUp(src){ var emailValidate = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/ if(emailValidate.test(src.value) == false){ alert("Please enter correct email"); return; }"/newsletter/newslettersignup?email=" + src.value,"newslettersignup1","status=yes,scrollbars=yes,resizable=yes,width=420,height=250"); } Welcome back! The next round ofBurning Questions has begun! If you've been struggling tothink of an Instructable to do, we've taken care of the topics for you. Wina t-shirt and a bumper sticker!The winners from the Lonely Planet Travel Tips Contest havebeen announced. Seewho won!Be sure to enter theInstructables Book Contest to get published or theHorny Toad Invent-a-Sport Contest to win some sweet clothesfrom Horny Toad! How to design and build a combatrobot by gneedel Super Summer BBQ Supper Deluxe! by supersaddy How to make a racing lawnmower by mowerracer Digital Picture Frame by micahdear Full Color Stencil Art withHalftoning by kylemcdonald SOCBOT - the next generationvibrobot by biochemtronics Willow Whistle by shoemaker Make a CNC Hot Wire Foam Cutter by tbarnea How to Make a Kubb Set by fungus amungus Steampunk tennis rackets by KaptinScarlet iPhone Retractable Headphones by engineerable How to build the one motor walker! by robomaniac See who won! Six Instructables for theiPhone Get published in the Instructables book! Electronic Birthday BlowoutCandles by cedtlab Easy Cutting Propagator by shellberry Cadence Meter For Your Bike<$12 by Sailor Bob Fingernails portraits (laser etch) by lamedust Now go make somethingawesome, and I'll see you next week! -Eric Sign-up for this newsletter: function openSubscribePopUp(src){ var emailValidate = /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/ if(emailValidate.test(src.value) == false){ alert("Please enter correct email"); return; }"/newsletter/newslettersignup?email=" + src.value,"newslettersignup2","status=yes,scrollbars=yes,resizable=yes,width=420,height=250"); }

Topic by fungus amungus  

What's the best procedure for making salicylic acid? Answered

Is it possible to make salicylic acid from aspirin using pretty common household gear?  If not, what would be the procedure for deriving it from willow? and what kind of willow to use?  Would it be more cost effective to buy crystalline salicylic acid?  Bonus Question:  What ppm would be good for using it as a facial cleanser and an anti-dandruff shampoo? or rather, what ppm would be bad? If it matters, I've done a year of chemistry and a year of organic chemistry with labs.  I sucked at the classes but rocked the labs like KISS at an assisted-living activity day.  

Question by AngryRedhead    |  last reply

why is my blackpowder burning so slow?

I have been using kno3 willow charcoal and sulphur (all are fine powders) to the ratio 75:15:10 but my results are not impressive at all it burns like a wet fart lol but i want it quicker to make firecrackers what am i doing wrong i have tried the most common tecniques from theinternet but to my dismay none of them work starting to get really annoyed as i spent a fair bit on the ingrediants and i dont want it to be a waste any ideas any1?

Question by 125mike    |  last reply

A display shell with whistle

Fireworkshere Effect:White Strobe Willow W/Red Strobe Pistil and whistle.Click the following Url: Or click here the "video" Icon to watch this fireworks effect. Perhaps you like it.

Topic by victorwu    |  last reply

Photoshop brushes? Answered

I need a brush that has a basic shape, like a leaf: an oval with two points. I also need it to alternate between several shades of green. How hard would this be? I want it to alternate automatically. I'm using this to kind of do a "weeping willow" effect.

Question by Iridium7    |  last reply

Time to Strut My Stuff...LOL

Anyone else in to this song?i think its catchy...idk i was watching americas funniest home videos the other day when i heard it.. oh its the love willows- stuff my stuff

Topic by amya000  

i make cricket bats.i would like to have a shaper machine that would assist me in this venture ... can any one help?

 Cricket is a game played in most parts of the world. Somewhat similar to the baseball has a wooden bat made of willow.(please look it up on the net.) the shape of the bat is unique, with almost no flat surface to it. Even the front is slightly curved. I make these bats by hand.... which takes away a lot of my energy doing mundane shaving volumes of wood to get to a basic shape. This is further shaved to a specific shape. I would like to have a machine... to help me do this. I have seen a surfboard shaper that is close to getting the curves on the willow blades. if i could achieve this as cheaply as possible (i am not well to do, with limited funds at my disposal) this would be of a great help. I live in mumbai...which is a city in.. India. Thanking all the guys who could help advance.

Question by shadeylight    |  last reply

Need some help making a home-made bow? (Aspen?)

Hey, I'm new here, and not quite sure if I'm posting in the correct spot.. I've been wanting (and trying) to make a bow for the past few days, without much success.. I live in Montana, and these are the trees I don't have too many trees near me, but I have Aspen, some sort of Willow (though I tried with a thick branch, and it snapped pretty easy), and Evergreen. Which would be the best to use? Would it be better to make it freshly cut, or semi-dead (or just left out for a few days to dry)? I've watched many bow-making tutorials, I got a few things from them, but they weren't using any tree that I can use. Approximately how long should the branch be? And how thick? The Aspens around me have a lot of knots (is that how you spell it, meaning a tree knot, not a string knot?), should I cut them off? or will it weaken the bow? What type of string should I use (preferably not too expensive)? I tried a string similar to kite string, only it was thicker and stronger, but it stretched too much. And finally (I think), should I peel the bark off, or leave it on? Thanks for any help! Any help/tips that I didn't ask for would be great. p.s. I'm 14.

Topic by mojobo1    |  last reply

September Project Contest Winners

The votes are in! Congratulations to the winners of the September Project contest!September Project Contest First Prize winnersAtomic Zombie's ChopWork Orange chopper bicycle by KoolKatCyanotypes - super easy photo prints at home. by ianFloppy Disk Bag by imanalchemistHandbound Book by BrianSawyerA Traditional Jacob's Ladder by ereinEach first prize winner with receive a Digital Spy Camera from Wild Planet Toys.September Project Contest Second Prize winners3D DDR Frame for PS2 by impulse94DIY Home Bicycle Repair Stand by pizzFixed Disc Sander from Angle Grinder by divxnzHydroponics - at Home and for Beginners and Solutions to Hydroponic Problems (Lack of Root-Plant Support) by trebuchet03Insulating Laptop Pad by Bats22pvc kayak by hellokellerStanding Desk Conversion Platform by 5dotsTen Green - modular shelving by royshearerTyvek FedEx Wallet with Change Pocket by cheewee2000Willow Twig Furniture by SlimJimEach second prize winner will receive a Magnetic USB card reader. Some assembly required!Honorable MentionAncient Aeolipile -steam engine, and magnets for good measure... by trebuchet03Can in Can Grill by nabilahmadDaisy Duke Toolbox by SlimJimDisposable camera coilgun by AlfonsVHDIY: EXTREME Power saving wireless mouse mod by Corbin_DallasEasy and tasty stir fry by SupercookieFolding Game Board by degroofFreezing summer tomato crop by shecktorGuacamole by easementHow to build a heliostat parabolic reflector by Tool Using AnimalHow to Build Up a Bike by joeHow to Build your own 1u Linux Server by jonesygoodstuffHow to make a RAILGUN! by AlexTheGreatHow to remove Logos from your PDA / cell phone with sugar by spankvalMagnetic speed sensor by PeterTheUnGreatMagnetic Tool Rack by packrathackerMicrodot - wrist watch LED pattern timepiece by rgbphilMonica's wedding cards by outofthewoodsOpenface Bagel Sandwich and Another gooood sandwich by eraaawghhhParty top-hat made of playing cards by Sergey ChernyshevPay-per-Copy Machine Exploit by nakPower to the Super Rebound by frickelkramSolid Perfume by rapierwittrailor project by trusted smilesVinyl Pencil Case by splityarnEach Honorable mention winner will receive an Instructables patch. It was really tough judging so many awesome projects. I hope everyone had fun building and documenting their projects. I'm sure you'll have fun going through the winners; it's really an incredible list!Thanks to everyone to who entered and to the people who helped judge the challenge: arwen, canida, dan, fungus amungus, intoon, leahculver, lebowski, and rachel.Original September contest instructions here, information about the SpyCam here, and information about the Magnetic USB card reader.

Topic by ewilhelm    |  last reply

Tempered glass screen protectors - understand and beware!

I recently had the joy of needing a new screen protector for my mobile after being dumb enough to drop it on gravel. The hard cover took all the impact but the film protector on the screen was scratched badly. Was old and partially worn anyway so I decided to upgrade to a Tempered Glass screen protector. Being somewhere rural I had no chance to get one in a shop so I ordered online. With no intention of advertising for some sellers, I collected a few links so you can check what I am talking about: Item1 Item2 Item3 Item4 Item5 Item6 So, what is my concern with these? They all can be found on amazon and other online services as well as on local markets... As I said I ordered a glass screen protector. If you check these listings and even some of the packing you will notice they all have a thing in common - being shatter proof and of 9H hardness. I also love this video showing how to remove and fix a glass screen protector! The last time I checked glass had one very distinct feature: It is hard and before it really bends it breaks - unless you use fibre optics of fibre glass cloth... What is my concern and warning here? Pretty simple: Stay away from expensive scams! Some claim their screen protector is only 0.25mm thick, even the 0.2mm one I measured was over 0.5mm with the glue... The hardness of 9H refers to the so called Moh's hardness - look it up on Wikipedia if you like. That means these tempered glass protectors would have a similr hardness than a diamond, or at least close to it. Problem is that they are made from plastic to start with and not glass at all. They claims that the screen protector is flexible because it is so thin - again a fake! Even the thinnest tempered glass will shatter if you bend it enough, not so these plastic ones. If you think I am making all this up try to use a really sharp knife or deburring tool and cut the thin sides of one of these protectors. All the ones I tested could be cut quite easy - and I though glass can't be cut with a kinfe... A nice website showing that the scratch resistance is far from the claims can be found here. And a video showing how a real glass screen protector sounds and breaks can be found here. So is it really all bad and should I avoid getting one? Not really if it is only for the added protection. To be clear here, and without the intention to blame any of the above sellers, some protectors actually do have a top layer made from glass and you can hear it as in the above video - it sound solid and not like plastic if you tap it with something hard. Another factor is the simple fact that plastic absorbs impact much better than glass. So where a real glass screen protector might shatter and crack like in the above video, the fake ones might one get a nasty dint or scratch. But you should be aware and clear about what you get and what to expect from it. These glass imitations are made from a strong polycarbonate plastic, similar to the stuff used for bullet and explosion proof "glas" windows - if you every watched the Mythbusters you have seen the big sheets I mean. The top layer of these things is specially treated to repell water, oil and dirt, it also gives the surface the good scratch resistance. The technique is nothing new, camera lenses, plastic sheets and the clear covers you see over the timetable at your bus stop all use it. The new thing is to intentionally mislable a product to make the consumer think it is glass ;) What is the real difference for the user? Check this video. Here a guy performs a drop test with a real glass screen protector. Thing is once the protector breaks the screen itself is broken too but until then it was not too bad. Here it is demonstrated how a real glass screen protector reacts to certain types of abuse - one of the reason I decided on glass. Compared to the plastic counterfeits just the sound on the glass is worth it, but I think the hacksaw was best. Another video from XDA gives a bit more info on how the glass is made - if you can't seeing a phone being abused then don't watch the drop tests at the end ;) Glass with these hardness levels and types of surface protection will give the user a long and worry free use of the phone. The plastic fakes will perform at a similar level for some time but will show signs of wear long before even the top coat of the glass one fails. Both types have their uses and if the fakes would be labeled correctly the user would actually benefit from that. On bigger screens like a tablet I would actually prefer the plastic ones to prevent damage once it needs replacing. On a mobile used in less than perfect conditions I would also go for plastic as it usually is a bit thinner and will fit better within quality hard covers. But when it comes to real abuse like using with dirty fingers most of the time or mostly outdoors where a lot of dust and fine sand can be involved I always go for glass. If you paid attention to the surface treatment then you already realised that the plastic and the glass are in the same region, making them quite scratch resistant. Still fine sand or metal dust will scratch it.... The difference is in the hardness of the actual material that was covered with the oleophobic film. Glass will not give in any way, where plastic is much softer - so not to be confused with the surface hardness! This mean that sharp and point object will easier penetrate the plastic than the glass, something to be considered if you often ecounter harsh use. In terms of actual protection we need to differenciate between surface quality and actual screen damage. After all when badly scratched we can replace the protector but if the display got damaged we are back to square one. The surface hardness was already covered so let's move on to the screen itself. In some of the above videos you can see the abuse a screen might see in normal conditions, and if we would not drop our phones so often repair shops would not be at every corner LOL I have done quite a few screen repairs, mostly for friends and work mates that did not want to pay the hefty extras in a repair shop. From there I got the stories on how it happened and in almost all cases the screen cracked when the phone landed on the corners. In one case the screen and glass protector failed, including the actual display when the phone was dropped out of a 4WD and landed screen first onto a rock. A glass protector will spread the (direct onto the face) impact force onto a much larger area, where a plastic one will produce a dint onto the actual screen much sooner. So again glass wins in terms of actually protecting your expensive screen. But be aware that all this is useless if the phone lands on the corners!! Let me explain: Both the top glass on your screen and the screen protector have a thin layer of "glue". This acts like a shock absorber, so unless an impact goes deep enough so the pressure on the actual screen is too much only the protector should fail. But the screen itself is a tight fit into the frame of the phone, so all side and corner impacts go directly into the glass. As the rest of the glass has no way to give or go the stresses will crack the screen. How should I treat my phone with the new screen protector? Exactly the same way you would without it of course. But if you don't have a proper cover that offers protection of the corners you should invest in one. Having a quality protector and a good case does not mean your phone can be used as a football, see it as an added insurance in case something does go wrong. For obvious reason it can also pay off to have a spare at hand, if something bad happens that requires replacement of the protector you won't be left with an unprotected screen ;) Last but not least, double it up: For people that already know their screen will see a fair bit of abuse in term of scratches it is a good idea to put an extra film protector onto the glass one. Once it is too scratched you peel it off and replace it, while the glass protector gives you the actual protection for your screen. Corning Willow glass As time of wrinting Corning Willow glass is the only "flexible" glass on the market, unless stated with your flexible screen protector you can assume it will be just plastic. I did not list it above as this high tech material is mainly reserved for displays and at least to my knowledge is not available for screen protectors, although I will stand corrected as I have to assume some big players use it for their protectors. The material is actually a sandwich where an ultra thin sheet of glass stis bewteen two layers of durable coating, read it up on their website it is quite interesting. It won't reach the strength of their famous Gorilla glass so without an outer plastic that has the additional oleophobic coating it won't provide the strenght of real tempered glass protectors. Some phones like the Galaxy Round and the fleixble HTC phones use it for example.

Topic by Downunder35m    |  last reply