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"You must be the change you want to see in the world." "First they ignore you, then they laugh at you, then they fight you, then you win." --Mahatma Gandhi
"Preach the Gospel always, and if necessary, use words." --Francis of Assisi.
"Family farms work when the whole family works the farm." -- Adam Klaus
Life on a farm is a school of patience; you can't hurry the crops or make an ox in two days.
Henri Alain
Scots John wrote:Looks cool, I can see the potential for casting intricate shapes but one would need a high frequency vibrating table to produce a good end product.
Are Dragon rocket stoves still being made?
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R Scott wrote:It would be much easier to ship plastic pieces and bags of mortar than a delicate already cast core.
It would be easier if you had a big printer, but if you could find someone to help split the files (that only has to be done once) then anyone could print them locally.
Way beyond my abilities, but you have me thinking in a whole new direction!
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Joshua Rimmer wrote:I do functional mechanical 3d modelling on a daily basis. If someone could send me the original model or drawing, I would be happy to split it up into pieces that could be printed on the typical 200x200x200 printer. Purple Moosage for email addy!
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Solomon Parker wrote:
Scots John wrote:Looks cool, I can see the potential for casting intricate shapes but one would need a high frequency vibrating table to produce a good end product.
Are Dragon rocket stoves still being made?
Somewhere on Peter's site (or somewhere) is instructions on how to make a vibrating table. They are indispensable for casting cores.
Dragon stoves are still being made, but for the $1100 price tag, I can think of a lot of ways around buying one. That's just me though, I rarely buy something I can build. I can justify a lot of development costs and tooling to figure it out for myself for that price.
Scots John wrote:I am only guessing but, perhaps there would of been around $1500 2000 investment for a proper vibrating table, $5000 for the mold construction and $100 of refactory for each unit?
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Scots John wrote:I did not say it would not work as I don’t actually know that but casting course dry mixes and expecting good results with fine detail would normally require a high frequency vibrating table?
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Evolve.
Dirtling Farm https://www.youtube.com/channel/UCWN8bHd4A0uMW8kF_v4J7GA
Life on a farm is a school of patience; you can't hurry the crops or make an ox in two days.
Henri Alain
Evolve.
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Solomon Parker wrote:I don't think that's quite the next step. What I'm suggesting is not people building their own printers or CNC machines, I'm just talking about printing molds on standard off the shelf printers that are already all over the market.
This is certainly an option, especially if someone is using EPS or XPS foam. But I think building a CNC machine is going to be a bit daunting for most people interested in casting their own core.
Life on a farm is a school of patience; you can't hurry the crops or make an ox in two days.
Henri Alain
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Rocket Mass Heater Plans: Annex 6
https://permies.com/wiki/138231/Rocket-Mass-Heater-Plans-Annex
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