Trying new Air Crete Gun
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I have added a slurry pump to my dragon foam generator. I figured I was collapsing a lot of the foam when mixing the slurry in. Now I have modified my generator to where the Portland slurry is introduced at the same time the foam concentrate is injected.
Had a trial run with some old left over portland and did pretty well. I made a few modifications and hope to retest sometime this week. If it works it saves a lot of labor and should be able to do a 94 lb bag in about 8 minutes.
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@wlschenk said in Trying new Air Crete Gun:
slurry pump
Would you share more details about the pump.
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@gemniii it is an old 3/8" high pressure pump I used to water my Chameleons when I raised them. I have to pick up 1 more fitting before I can test again. I'm hoping it works because the mixing slurry and foam separate doesn't make sense to me. Just my opinion.
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Most Little Dragon owners on this forum would be very interested if you devised a reliable yet affordable method for doing this. Please consider including photos or videos. We wait with baited breath.
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@Zander Can't get my pix from smart phone to desk top to post. Can ya help an old man out?
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I'm also mixing the slurry at the 7.5 gal to 94lb portland. I use the soap/foam concentrate to mix the slurry. I believe the soap helps lubricate the slurry through the line and injector. ALWAYS run clean water through your slurry line and through the injector when you finish a run.
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It is a 1/2" brass Tee with the slurry line 3/8" ID 1/2"OD a 1/2" to 3/8" OD foam concentrate line (Shark Bite)
The slurry pump I'm using is a 3/8" high pressure pump 90 psi. The end of the foaming gun has a brass 1/2" to 3/8" reducer bushing. I have to pick up a 1/2" X 3/8" barbed fitting to replace the one shark bite on the slurry. Grabbed the wrong line to work with shark bite.
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@wlschenk Looks great.
Seems every darn time I just about finish a "gun" build someone comes up with a better gun!Back to the parts bin!
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@atravis4
It should be noted I have not actually produced any aircrete yet.
Well it looks like your ready to. Nice looking foam. Nice movies too.
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While sitting at the doctor's office with my wife I figured it takes 10.24 oz of water per pound of portland. This is for people that want to test smaller batches. or buy smaller than 94 lb bags.
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Hi,
I'm new to aircrete and this forum; but I'm planning to build an semi-underground structure somewhat of a mix between an earthship and a dome and I think aircrete may be the best solution to all the requirements.
I'd love to know how your home made mixer/thrower is going as I think something like that will be key...
Many thanks
