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Post by briank on Oct 31, 2017 5:23:54 GMT -8
Hi folks, Quick question: if 24”x12” and 24”x9” insulating firebrick slabs were made available individually (2.5” or 3” thickness) at a reasonable price would there be a market for them in the rocket heater field? These slabs could be used for fire boxes or expansion chambers and risers without seams or fitting as with current sizes, and they can easily be cut to form 3D shapes when stacked. I can get them but only by the skid load, which is cost prohibitive! Thanks, Brian
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Post by wiscojames on Oct 31, 2017 17:27:13 GMT -8
Boy I'd love some of those to tinker with. I suppose demand will depend on cost of each unit and shipping cost. Any ballpark estimates? I suspect I'll end up visiting a supply house to collect some materials at some point, but maybe your cost will be competitive.
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Post by briank on Oct 31, 2017 17:54:02 GMT -8
Boy I'd love some of those to tinker with. I suppose demand will depend on cost of each unit and shipping cost. Any ballpark estimates? I suspect I'll end up visiting a supply house to collect some materials at some point, but maybe your cost will be competitive. I'd be getting them direct from the manufacturer. The problem will be figuring out how to ship them without them breaking as they're fairly fragile, and that adds cost. I don't know price per unit yet, I've only bought them in bulk in the past and don't have a unit price yet. As far as I know, no one anywhere offers a 24"x12" at this time. I have to ask them to cut the slabs to that size specifically for this purpose, but I know from talking to supervisors at the factory that it can be done. If you've ever priced new 9"x4.5"x2.5" insulating fire bricks you know these won't be cheap. I estimate at least $30-40 a piece for the 24"x9"x2.5" and $45-60 for the 24"x12"x2.5", more for 3" thick, plus shipping and handing because they have to be individually padded/protected. I just don't want to make the investment to get a skid of these if folks are put off by the size and cost of them. But if rocket heaters are ever going to move into the mainstream, we're going to have to eventually move beyond experimenting with whatever we happen to have on hand. That approach only appeals to a narrow minority of people who might otherwise eventually adopt this environmentally sound technology (IMO).
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