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Shippable core makers  RSS feed

 
Doug Barth
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Hello rocketers,

Has anyone been making shippable cores? I know there has been research on it. And they burn really hot.

I've been thinking of installing a system and the shippable core seems the way to go.

 
Glenn Herbert
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Dragon Heaters makes three sizes of Peter van den Berg's J-tube core design. Other than that, I don't know of anybody actually making a business of it. If you are handy with tools and good at following directions it is not difficult to make your own. Or you can build a firebrick core with next to no tools.
 
Byron Campbell
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Another source is Walker Stoves, for cook-stove (sidewinder) cores, plus batch-box and J-tube cores:

Walker Stoves
 
Doug Barth
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Thanks for the info! Are there instructions for a shippable core on the internet?
 
Glenn Herbert
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"Shippable" has nothing to do with how efficient or effective a core is. There are plenty of resources, including some threads in this forum. Matt Walker ("broaudio") has a series of youtube videos on casting a core which will be very well insulated and efficient.
 
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