Primitive Archer
Main Discussion Area => At the Forge => Topic started by: Ryan Jacob on August 31, 2019, 01:21:25 am
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So I wanted to try something new but still keeping it as primitive as possible. I wanna make a coal burning forge but I’ve got limited space and budget. If you have any methods on how to store a forge out of the elements, that’d be a big help too. Also, how do I get enough air into the coals without using electricity? I’m financially limited to manual methods? Thanks.
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Look up the mini metal foundary. Put coal/charcoal in it and it will get the metal red hot. And maybe do kaowool instead of plaster of paris and sand. It will save you money in the long run. Thats mu forge.
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If you're just financially limited and not morally limited an old hair dryer works great. Should be able to get one at a thrift shop.
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Do some browsing for ideas, Otzi's people were smelting copper without anything modern. I'd recommend posting for ideas on a knife makers forum, bladeforums helped me out alot. A brake drum forge with a hair dryer might be the way to go and both can be slavaged pretty cheap. There's a guy on youtube that goes by the handle Primitive Technology who's made many a kiln, including manual powered and natural air flows, from completely natural resources, and could be adapted to your needs (ETA turn on the subtitles, he doesn't speak, but narrates through subtitles).
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Mine's made from a brake drum & used a blower motor from a old oil furnace.
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I use an old Webber bbq with some fire brick in it, and an air mattress pump. You can make some bellows for primitive.
Heck, the first knife, I hardened “saw blade, stock removal”. I blew air through a pipe, to heat it in charcoal. Good luck! Ed
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mine is charcoal, but I have zero doubt I could use coal in it. 10 dollar water pan from tractor supply (on sale), lined with cat little, ashes, and some refractory cement on top of that, with a piece of metal pipe in the bottom and a hair dryer sticking in the pipe. wroks for me, and the totla cost was way less than 50 bucks plus my time. I can find more pics if you want.
the bucket is galvanized, but even at the highest temps the outside of that guy only gets warm to the touch. there is about 3 inches of refractory in there to keep the heat from the outside of that thing.
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Without electricity? You could always use a billow.
Coal forges are more difficult to get even and consistent heat. Be prepared to get frustrated
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Here was my original setup with a single-action bucket bellows- Cost me exactly $0, everything was scavenged (got the clay for the lining from a nearby park), and no electricity needed. However I found running coal needed a whole lot more airflow than running charcoal, so I usually ran it mixed to save my energy for hammering. all seals are old bike inner tubes.
(https://lh3.googleusercontent.com/mLoiCwGV4859mN0XfbHQ4m3CYuZfTOMr4d7YMUtmHIT89LT7ZJhrWDaCBu6OYGzUGToYhr45p6Au_whf5lzNDtWc39rkUDOeZjGfP3DpsEi1Siqm219YsZtUmuZlnQ16ZyqVzhmMqKWwBawS9PKaKVlMdaqkajfsqGR-K_6C9YAZsbsTyfquihSkC-jpUyzEy2nfmTeQGCyIlw9ryyuf8OKvvPwRQV9T-FPZXKsM5BrgmVS34Tf0kZh3VlIc4yHN0kAQDJk5pCwt4TRNsiIppKiucnO_pB9K0gC-h-00Q_9pjElUT1mllA4vQsBfWmkgAlUEf53sqcRLDA7VL3IwF9AIbu38P8RTan28GsXgQnS4abViVCBLKJ3JasHZLnmEpsgBIaxk09tgePp6q8Q40qZFqUqRs5c7CcqcZl9Eu1Z4vifzMLtqrkGRXgwVX3eCniOvB2rnfkQnUSBIVzYq88hHeZMmwn8rOfS8QR8yRkrYglD71GgIsVb9oKyavxP5jZNmBL6-ubaI2Vd76Pxa7EJ-v9fDBj8VDNrpUzxsQpVkhtHYG1woteFjVPKObCz_rJXcFoujeR8gUvDa_nJ6jqSIZrWhN-8I5oPFJ2_ooK4u2NOSVm1Yypo9VA7XZLd7xe6sWJx8WQTfrinATgt8mS_BGjhVv6619ca5k2tJzKSJ-tnpfgEEHA=w1182-h886-no)
The top of the bag had two straight pieces of wood so I could pull up to fill the bag with air, close the top, and push down to force the air through the cardboard valve and into the forge bottom.
(https://lh3.googleusercontent.com/lqATT_59fTR-yLS7JpQcWnO03LS9nM1zEj6k7jjd-ZR56spyuL4NYKONF0dZlwxW7vXvnrxQ7gfMGRXEgSbj06gI3bYPsRh48y6B0UxJQo9bfENG9XXqJd4pkXIhqmseL1zHc2daEiE08mdtsjqCg_rbb646fIWTcAnZoFIi0H5zTLtRJ9RTtkiIElRwiFHAju-eV_z3PI2lP4dFQLxQeiaZYxVf6FYOgo1lqAYUzIqEyE48Kz6uZZw7jOWwtObK13ZXDU8voD1pGkukSuTRODXhEVsKveZQWcNcp-GMBjuLIwWIx6x8VQMR0FVphsV4H80r7NFByVNrOkuBkrqmUt50upUI0aO8Y0p-hGhfy2QKLSs2vIdJAwZZRwBL1O74_Gof1_uewZcHMt8-USNKAsVtsQ6TYAFjL956_GVV3krbs4SAFly6pUp-Yofn3gHgr37OmXvZsqfpDDB5HLpGN8elcQmZbLEL59Wr-iuWDVZjaFBsWUBNdJLV5R4pAdepHg4RHmZIkONeGElw2FywIqaGk8bWwodaTWoMQi0VHsEg9BZLC49EIxBgszZvSnXL6POmpe_q9cCrL0VW0sRQSPQ4n1ts3xh_m3AyvrI0T7OfLo8-9B8ZGVzCpb2VYo8I0H36F8D8APaEoRH4vkOJtmQSyrfVfI6W8hW3hPb4GaFRAYxC_H028A=w665-h886-no)
The cardboard valve to prevent accidental backflow (there's a flap there)
(https://lh3.googleusercontent.com/TKGLVrWUEV4Mmma1g3d19AsuPBhChs5ZVM0v0BTOWNyfxaJFzlTdAw16035XT0ExTiOicaslKHh_ok7hOnmNUlCIGRfQXHOuIypkUF9_PCrCqLRbaktYavsTSsLR4L0XFw2fE8u2eu_EEtToWnJtdCW4eidF5H7kInC0zXcfe0CHXwH3PYN2efh8HMztPmPkKF0OVGYSV31zEy8fmn_K8n9JY4oKOT3SlTE8tQrNONWHdeigv0IbdEoVWR_mYqorbekPqpDv8UkWbZxGFQvJyIkxJTAh8lCPl_-N18pWGPV0YBTSIUDRdl7Eohubz5jCMEUntFHENz6hABzo5unPQwEiXhMa8O5m7wMn_Fvqy70ptfAufibfgbQA9Ziqi6CtlTPhF7-OjhyI_K6lmrlV7bcjGhNyv3OJqb3y8hvku9slZ2z7r452AhrFZokDFMJYkST1ohFDfEufydvKI0g-nxqvCF_QjLdv8D8ZsILPbEgjU_mS4hPpiMLIIdhwVwRggHUeKmgi5FUcC2k4iL_UQpjefZU4e4wKj9x60ovp60IjZIJioDNJBq6o-rI9wDJaBOz0L8ic3Z0LYKBnhvIh9S8MfDL4VuUK3RmfsIX9HRsnB1MhuZrrCKkvGjSv2V0hz12g1P5VEDokgLzMywjVkUDd9fAB4df1kA7ZpZYkR0C1Doi_uz0FIQ=w1182-h886-no)
Actually made this for an appropriate technology class
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mine is charcoal, but I have zero doubt I could use coal in it. 10 dollar water pan from tractor supply (on sale), lined with cat little, ashes, and some refractory cement on top of that, with a piece of metal pipe in the bottom and a hair dryer sticking in the pipe. wroks for me, and the totla cost was way less than 50 bucks plus my time. I can find more pics if you want.
the bucket is galvanized, but even at the highest temps the outside of that guy only gets warm to the touch. there is about 3 inches of refractory in there to keep the heat from the outside of that thing.
my 1st working coal forge was very similar.
I forge welded many wrapped eye tomahawks in it.
once ya figure it out its no so bad.