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    put a few coats of high build primer on it, makes...

    put a few coats of high build primer on it, makes all the difference in the world....
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    B e a u t i f u l ! !

    B e a u t i f u l ! !
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    Zapins, the vcr is in the rafters of the...

    Zapins, the vcr is in the rafters of the garage......
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    Im seeing a whole cup full of zinc :) LOL

    Im seeing a whole cup full of zinc :) LOL
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    Love this stuff....

    Love this stuff. http://www.alumilite.com/store/p/927-Plat-55.aspx
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    I like the way you think ;)

    I like the way you think ;)
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    Think I will hire some dancing bikini babes for...

    Think I will hire some dancing bikini babes for my next video :)
  8. Thread: Casting Advice

    by DavidF
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    Re work the pattern so it has the proper draft on...

    Re work the pattern so it has the proper draft on it. Then primer/sand/paint the patrern so it is smooth.
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    That mixer on a drill will wear you out!! You...

    That mixer on a drill will wear you out!! You can only put about 6" in the bucket at a time.
    Thats a gear reduction drill, I think it runs at 450 rpms and has enough torque to twist you into a...
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    Technically you should remove the burnt...

    Technically you should remove the burnt sand.....not all that easy when it comes down to it and some gets back into the mix. You can mull the burnt sand back in, but over time and many casts you...
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    Ransom and randolph ultravest w/o fg is the best...

    Ransom and randolph ultravest w/o fg is the best i have found. The kerr satin cast is pretty nice too though.
    Petrobond is easy to work with and has better green strength. I have been...
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    1 Lost wax is going to give you the best finish...

    1 Lost wax is going to give you the best finish possible.
    2 Buy a vibratory tumbler to help with the clean up.
    3 Post some pictures!! :)
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    http://youtu.be/WsfnOHrPyfw

    http://youtu.be/WsfnOHrPyfw
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    Its better if you scrape away the black and...

    Its better if you scrape away the black and separate it. It can be recovered but I would advise against it, it takes some additions of the binder, catalyst and oil to do so. petrobond vents pretty...
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    I've been wrestling this myself a bit. My main...

    I've been wrestling this myself a bit. My main two thoughts for my problems are that the SS has gotten old, or I am mixing it too long and its drying out before I gas it. I will be replenishing my...
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    Talk about your late follow ups LOL

    Talk about your late follow ups LOL
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    Those dragster rods are likely 7075..... One...

    Those dragster rods are likely 7075..... One awesome alloy, but not the greatest for casting.
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    Yea, forged pistons usually begin life as an...

    Yea, forged pistons usually begin life as an extruded rod and then are smooshed into piston. Damaged or not, I would still slap them on e bay. Likely worth more as wall hangers than scrap...
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    I would measure the bore size pin dia, and height...

    I would measure the bore size pin dia, and height then slap them on e bay before melting. They will likely cast like sh!t...
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    Ive taken and added about half a pound of beer...

    Ive taken and added about half a pound of beer can ingot to 2 lbs of 356 ingot and made a really nice casting alloy....No idea what the alloy is now, but it casts and machines very nice.
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    5/8" isnt too bad... Looked thicker in the...

    5/8" isnt too bad... Looked thicker in the photo. You will still need a way to feed it other wise it will rob from that outer rim...
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    Looks like a pretty thick cross section. You are...

    Looks like a pretty thick cross section. You are going to need a way to keep feeding it metal as it cools. I did one similar years ago and put the shrink bob in the center of the hub and fed into...
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    Theres more to it than just slag. Cans are a...

    Theres more to it than just slag. Cans are a pretty pure source of aluminum but that is not all ways a good thing. Aluminum is alloyed to increase it physical properties and or increase its cast...
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    Welcome to the forum, and thank you for the...

    Welcome to the forum, and thank you for the pictures....We like pictures!
    Im not really sure what to think of the burnt sand. Maybe someone on here has had a similar experience.??
    One thing I...
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    The sodium silicate is still kinda funny. I...

    The sodium silicate is still kinda funny. I mixed at exactly 4% two times with two different results, then I mixed at 6% and it acted like it did with the first set I made at 4%. Not sure what is...
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