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My crucible holds 12 lbs. The furnace is based on a 200 gallon oil tank and tilts on a set of elec actuators It fires with 2 waste oil burners at about 6 to 7 gallons per hour on high fire. The burners are controlled using servo motors on needle valves and the temperature of the melt pool in...

I process automotive engines for the hobby caster, I use fire extinguisher based crucibles for a couple reason. one is that I pour 150 to 200 lbs per session in about 2 hours. The weight of the full crucible is about 13 lbs and "when" not "if" failure happens its a pin hole, I don't need to...

I bought 4X6 at a garage sale four $75.00 it needed bearings, I looked at the HF saw and ordered a set of bearings when they arrived I realized my saw bearings where half again bigger. There is no name on my saw but I suspect it was one of the Cummins saw spoken of earlier. Any way if you...

aluminum has a fairly low melt point, about 1300F, it normally melts when trying to silver solder, iron is close to 2500F, silver solder flows at about 1100F. If you have a shard of the metal, heat it with a propane torch, if it melts it is aluminum but if all you can do is get it red hot...

i took a good look at the pictures of the burner that burner has secondary air holes around the burner, it also isn't really a ceramic burner like the one in the video from David Shealey. You might try firing it up and when the sound changes pull the burner assembly out of the boiler far...

if the flame gets behind the ceramic it makes a similar to a pulse noise. if it is caused by the lack of secondary air it will make a more roaring sound. also the lack of secondary air could actually cause the flame to exit the chimney, it depends on how little primary air there is. on big...

my background is combustion. It sounds like the gas is no longer burning on the face of the ceramic, infrared or ceramic burners are designed for secondary air they do not draw enough primary for complete combustion, once you have burned up the secondary air in the firebox the flame will lift...

I used 2 on my mill and 3 on my lathe one is 36" on the lathe. I also used YURIs arduino base DRO and blue tooth to My tablet. I have used them for about 4 years and have had little Problems I originally used the same arduino for both machines but finally set up 2 arduino so that i...

I would assume (you know the assume statement) that using sufficient ventilation would be going on when firing a furnace due to the high possibility of CO in the flue gasses and in most cases more heat then a non ventilated environment can handle. The exception to this are those that are using...

I have found that calcium Hypochlorite in spa shock works best for degassing aluminum. I had a problem with bubbles forming in a flywheel that I was working on and it resolved the problem. I was also using a SS sand mold using a catalyst as a hardener. this is the thread with the...

for quality casting you want to use something that was previously a casting, automotive or marine engine parts such as intake manifolds, cylinder heads, engine blocks, rocker arm covers( some of the rocker arm covers are magnesium so be careful about them),and pistons. I don't process transfer...

this is the link to the Ebay store https://www.ebay.com/str/aandashandiwork I also do a discount on the 43 lb boxes ordered direct to my email address handled through PayPal. I do between 6000 and 8000 lbs per year. My email address is [email protected] I didn't post the link at first...

I do a lot of casting, i can cast up to about 65 lbs aluminum with my tilting furnace, I provide aluminum to the hobby market through my e-bay store in 6,14,28, and 43 lb boxes as well up to 250lb orders for small foundry operations. The tilting furnace is designed to melt automotive cylinder...

I have converted a number of drill press to functional Milling machines this is the location of a write up i did a few years ago., I would suggest that you use a brass screw for the spindle lock so it doesn't tear up the spindle This is the write up that i did a few years back...