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Type: Posts; User: DavidF

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  1. Im betting you will be waiting on that video for...

    Im betting you will be waiting on that video for a long long time.... Well im off to play with some lego's :)
  2. Im calling bull shit :) Many of the things he...

    Im calling bull shit :) Many of the things he stated just dont add up to anything other than bull shit. Looks like shit, smells like shit, and im certainly not going to taste it to be sure. Ive...
  3. Ok time to clear up the bull shit. They say the...

    Ok time to clear up the bull shit. They say the wax filament burns out at a lower temp and burns out cleaner than pla.. Well yea if you put the two in the oven at 350 the wax will vaporize and be...
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    I totally agree.

    I totally agree.
  5. I do alot of yellow brass casting. It will really...

    I do alot of yellow brass casting. It will really fume if you get the melt too hot. Keeping the melt temp lower reduces the fuming but does not 100% eliminate it. When I am at the right temp there...
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    If you dont uses too much (

    If you dont uses too much (<5%) ss in the mix and quench when hot it will come out pretty easily. If you use too much ( >6%) it will be like trying to remove concrete. Atleast that is what I have...
  7. I started playing with the idea as well. what I...

    I started playing with the idea as well. what I have found is that the mold needs to be hot as Hades 400-500 f to get a good fill and must be well vented. I used pure zinc for this and was very...
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    What temp did the mold need to be at? Was this a...

    What temp did the mold need to be at? Was this a pressure die cast, or gravity?
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    I could, but would need to cast up some rods in...

    I could, but would need to cast up some rods in the same alloy first, so might as well just re cast it.
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    There were some small inclusions on the top of...

    There were some small inclusions on the top of the radiator cap. Wasnt too terrible but not perfect.
    This is a paying job, so i want it to be perfect before i mail it out...
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    Making a hood ornament...

    doing a bit more lost wax casting, this time for a hood ornament.

    http://youtu.be/ZfigkKDueXU
  12. What does the part look like anyway???

    What does the part look like anyway???
  13. The other choice no one mentioned would be to...

    The other choice no one mentioned would be to have them die cast. The cost to produce the mold is high, but it would give you the lowest costing castings and i think would get you the tolerance you...
  14. If you vacuumed the parts in the flask that...

    If you vacuumed the parts in the flask that should have gotten rid of any air. Sometimes what I have run into is that the investment gets old and sets up too fast to relax after the second vacuum. ...
  15. Man, that would take a long long time to write up.

    Man, that would take a long long time to write up.
  16. Probably was me. Glad to hear you got a kiln...

    Probably was me.
    Glad to hear you got a kiln for burn out, makes worlds of a difference..
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    How much K bond could you make with 55 lbs of...

    How much K bond could you make with 55 lbs of bentone 34??
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    I feel ya. Maybe you could just paint it...

    I feel ya.

    Maybe you could just paint it silver, then spray a silver marblizer and brush stroke it, then clear... satin clear.
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    Man, that really sucks. I dont think I would...

    Man, that really sucks. I dont think I would have left unless I had a piece of someones ...........
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    Ill be sending him a "Pattern" roflmao...

    Ill be sending him a "Pattern" roflmao...
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    making another car emblem

    http://youtu.be/rzf2pzVRj_o
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    Does this mean that "IM DA MAN!!" ?? roflmao...

    Does this mean that "IM DA MAN!!" ?? roflmao...
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    I deleted it. Not trying to start forum wars on...

    I deleted it. Not trying to start forum wars on here or solicit members...
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    Sticky: You need about 9 layers of it. It takes several...

    You need about 9 layers of it. It takes several days to complete the shell. Burn out can be completed in about 2 hours which is nice.

    http://youtu.be/1VNy6QuakxY
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    Sticky: Ive just started using the suspendaslurry with...

    Ive just started using the suspendaslurry with lost pla. Your going to need a way to gradually heat the molds and not shock them. The first couple I did I flash fired the shells which is supposed...
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