Azur Jahić Posted August 18, 2012 Share Posted August 18, 2012 i tried but i cant make bellows Usually i use hairdryer Link to comment Share on other sites More sharing options...
Glenn Posted August 18, 2012 Share Posted August 18, 2012 We need more information, gas forge, solid fuel forge, what type fuel, etc. Look for anything that puts out air. Many machines have fans to cool the machine. Automobile fans for blowing heated or cooled air run on 12v DC, and every vehicle has one. You can build a box bellows, sack type bellows, or water bellows. The thing is if you say you can't, then you can't. If you want then you can find a way to get it done. There are many discussions on IForgeIron about getting air to the fire. A little research will open doors which open more doors once you start chasing down information. But it up to you to do YOUR homework. If you add your location to your profile, it will let us better answer your questions knowing where in the world you are located. Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 Iam from Bosnia and Herzegovina south europe i need to build simple forge with bellow that is it Can i use a wood like peach or oak some strong wood For making knife, axe nothing special just iron to gets red or orange colour Link to comment Share on other sites More sharing options...
Jeff Lodge Posted August 19, 2012 Share Posted August 19, 2012 You might want to look in the solid fuel forge area then. There are plenty of good ideas and build ups listed there. Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 can i use felt roofing to make bellows Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 my country axe it use for building balcan axehttp://survival.afor...ra-iz-kovaenice Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 my box bellow problems can somebodey help me to repair this bellow.Is the dimensions right Can i repair this thing I tried to make box bellow but it dont give me enaugh air can somebody tell me how to repair or make bellows that will work perfect Link to comment Share on other sites More sharing options...
David Einhorn Posted August 19, 2012 Share Posted August 19, 2012 You would need to seal all the openings so that air does not escape from where the boards meet. I may be wrong, but it does not look to be easily fixed. Link to comment Share on other sites More sharing options...
VaughnT Posted August 19, 2012 Share Posted August 19, 2012 Did you drop if from a plane? Looks to me like you have too many gaps. A section of sewer/water pipe makes a great chamber for a bellows. Just because it's called a box bellows doesn't mean it has to be made from a box. Take a length of pipe that's about 6" in diameter. A cap for each end. The plunger passes through one end, and the air pipe to your forge originates at the other end. The working end of the plunger can be a simple disc of wood that's fairly tight to the inside. And be sure that the pipe leading to the forge is of sufficient diameter so the air flows easily. Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 you mean like pump for bicycle Link to comment Share on other sites More sharing options...
Glenn Posted August 19, 2012 Share Posted August 19, 2012 Topics merged. No use asking the same question in multiple places. Link to comment Share on other sites More sharing options...
pkrankow Posted August 19, 2012 Share Posted August 19, 2012 Tar paper isn't flexible, but could seal panels. Can you get heavy canvass, leather, thick vinyl or other flexible air tight material? Old leather couches, old rain coats or trench coats, awnings, tents, drop cloth, tarp? Building a bellows with soft sides seems easier than a box bellows in my opinion. Phil Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 i dont know dimensions Link to comment Share on other sites More sharing options...
pkrankow Posted August 19, 2012 Share Posted August 19, 2012 about 1 cubic foot displacement (about 30 liters) per lung should be the small side of adequate. Someone who has built bellows can probably give better information. Of course adjust your dimensions to your materials. I estimated that from the plans linked in post #8 of this threadhttp://www.iforgeiro...-bellows-plans/ and measuring a car tire, since tubes are hard to find anymore. some other links with different drawings/planshttp://www.iforgeiro...-bellows-forge/http://www.iforgeiro...ws/page__st__20 Phil Link to comment Share on other sites More sharing options...
pkrankow Posted August 19, 2012 Share Posted August 19, 2012 Links, apologies for duplicates http://www.iforgeiron.com/page/index.html/_/blueprints/100-series/bp0141-building-a-bellows-r373 http://www.iforgeiron.com/page/index.html/_/blueprints/100-series/bp0128-forge-blower-r361 http://www.iforgeiron.com/page/index.html/_/blueprints/100-series/bp0127-bellows-construction-r360 May or may not be helpful I am working on a small bag bellows and may need a diverter http://www.iforgeiron.com/page/index.html/_/blueprints/100-series/bp0107-air-diverter-r343 Phil Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 19, 2012 Author Share Posted August 19, 2012 i have material but i will take picture so you can tell me can i make it with that material thanks for links IS this red canvas Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 20, 2012 Author Share Posted August 20, 2012 VaughnT you mean something like this Link to comment Share on other sites More sharing options...
Rich Hale Posted August 20, 2012 Share Posted August 20, 2012 As we discussed in chat the drawwing will not work for a forge bellows, It does not have valves, When you push the operating handledow the air will comeout that hole in side of the bottom...when you lift the handle the air will come from the forge right back into the bellows, thgta may also bring with it hot air and sparks that may destroy your bellows. I gave youi a link with instructions on how to build a bellows with drawings. Was that of any help? Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 20, 2012 Author Share Posted August 20, 2012 but VaughnT tell me that i can make bellow like box I think it is easyer to make bellows from pipe than use two board and atach leather on it vith nails HOw japanesse use box bellow that not destroy thair fire Iam lithle confused now Link to comment Share on other sites More sharing options...
Dodge Posted August 20, 2012 Share Posted August 20, 2012 a bellows of any type needs a relief flapper to prevent sucking hot forge air back into the bellows. Did you see Rich Hale's post above?? Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 20, 2012 Author Share Posted August 20, 2012 yes i see on ehow page but i dont know Is the easyer to make box bellows or the board bellow with leather Link to comment Share on other sites More sharing options...
pkrankow Posted August 20, 2012 Share Posted August 20, 2012 Looks like an old work jacket. That material should be fine but may need to be painted with a flexible material if it leaks too much air. I am not sure what the black material is, but if it is durable and flexible you could make a hinge or valve out of it since it looks small. Google harris and heers blacksmithing pdf and you can download a copy. Bag bellows are illustrated in Harris and Heers, Basic blacksmithing on page 105. Box bellows are a couple pages later. I realized last night that a pair of sturdy pants (slacks) could be made into a bag bellows, or pair of bellows, very easily, but would destroy the pants. Your old jacket sleeves may work as well. Because your hand acts as the intake valve, a valve on the exit is not explicitly necessary (but may be helpful). Two smaller bellows can be joined with a T or Y. Two smaller bellows would of course require both hands to operate. In videos they are frequently operated by a second person. Phil I argue a soft sided bellows is easier to build because less exact carpentry is required, or in some cases no carpentry. The leather, or canvass take up small errors in measuring and cutting of the wood. A more sophisticated system will give you better, long term performance with less effort to use, but a simple system can get you forging sooner. If your hair dryer is working I would stay with it for a while. Phil Link to comment Share on other sites More sharing options...
Azur Jahić Posted August 20, 2012 Author Share Posted August 20, 2012 http://dogonlanguage...ga_juuri_JH.jpg i have old bycicle i thin to make bellows usin power of the bike puting tube on wheel and make like hand crank bellow by the way my hair dryer is break, it over temperaturing and get red and break up.And i deside not using electricity But i can made iron to get red colour with hair dryer. I dont see this picture clear but i think i have material to make hand crank blower with bicycle part can you explain me how i can i use old jacket to make bag bellows and can you sand me a lin of that book i type on google and i dont findhttp://www.mtforge.com/Congoarchives.htm Link to comment Share on other sites More sharing options...
Rich Hale Posted August 20, 2012 Share Posted August 20, 2012 Seems to me like the longer this thread goes on the more folks put different ideas on and he is confused more now than when he started. Someone suggest one thing then another then another, he is limited as to wot he has availeable and does not have anyone close he dcan go to for help. Azur pick one of the methods and stick with it. Pick one htat has directions that work for you and that youi can make with the materials you have or can find..Ignore the rest of us. Link to comment Share on other sites More sharing options...
pkrankow Posted August 20, 2012 Share Posted August 20, 2012 here's a few threads with pictures of taken apart blowers. They are very simple. The intake is a large hole in the side of the case inline with the axle, and the exhaust is out the side. The large paddles move the air. If the exhaust is centered the fan can operate in both directions, if it is tangent it should operate in only one direction. My blower uses about a 50:1 gear ratio and is about 12 inch diameter. Some hand crank blowers are about 16 inch in diameter. There is no need to limit your material choices as heavy sheet metal or thin plywood will be stiff enough for paddles, the case can be made out of an old cookie tin from the holidays. The hard part is getting the bearings set up, but if you have the back portion of a bike and its crank then you can mount the cookie tin to the frame and the paddles to the rear wheel hub, without the rest of the wheel. You could also use thin wood that can flex around to make the case, or heavy wood for the sides and thin metal to wrap. Inexpensive bearings or bushings can be mounted into a lumber U frame supporting the blower as long as the space for air intake is allowed for. Bushings (bearings) can be made from copper water pipe and if kept lubricated be expected to last a couple years of use against a smooth steel shaft.http://www.iforgeiro...lower-overhaul/http://www.iforgeiro...cranked-blower/http://www.iforgeiro...kewheel-blower/ Feel free to take apart any available blower from an old dryer or furnace to use. If it is belt driven you can just make it hand crank instead of motor driven. A 12 inch furnace blower running at a slower speed will still put out a whole lot of air. Might as well use the whole assembly if it can push the air without too much effort. Phil 12 inch is about 30 cm 16 inch is about 40 cm Link to comment Share on other sites More sharing options...
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