So I got my casting equipment finally from Midway yesterday. I've gained some edumacation in the last 24 hours.
I figured I had read enough here, and in books that I was ready to begin casting perfect boolits from the beginning. Yeah - RIGHT!
The learning process has been fun though, and I'm happy with the results.
I have two molds that I've used so far (and third that I can't use - made a mistake in my order.)
The first I'll talk about is a Lee mold - #452-228-1R. This one was very tricky to cast well. I selected it for my .45 ACP. My first attempts were met with about a 90% attrition rate. Back in the pot with the boolits riddled with crevasses! I was discouraged, but I wasn't giving up.
Tonight I decided to try a different mold. I picked out the Lee #452-300-RF. This one I had picked out for my S&W 460V, which I just picked up today. (Hooray!!!) I guess this would be a good place to mention the alloy I've been using. John Z Sr was kind enough to send me several ingots of lead. I don't know what kind of alloy they are, but I am guessing wheel wieghts. I used those ingots alone for the first mold with little success. I learned that heat range is very important! For this mold, I decided a hardening agent was in order considering these boolits will be used in a high-pressure cartridge, so I threw in some linotype I got from Midway. (about 50-50 ingot from John Z and linotype.) Maybe it was the mold, maybe the alloy, but these boolits came out MUCH better than the first ones. I did use more heat, thinking the harder alloy would require it. I have the cheapest, smallest Lee melting pot and I had the heat set at 7 of 10. My attrition rate for these boolits was very low at about 10%.
After this, I decided to play around with the heat level a bit to see if the .45 ACP boolits might come out better. I discovered that the trick is to cool them only minimally in the mold before cutting the sprue and dropping them. With the heat set at 6.5, and cooling only about 30 seconds in the mold, my boolits were looking much better. The pic below is indicative of the majority. The one on the left is one of 73 for the pot of the 300 grain boolits for my S&W 460, and the one on the right is one of 92 for the pot of the 228 grain boolits for the .45 ACP.
I am learning fast and having fun. I already have a sizing die on order for the .45 ACP (The cheap Lee dies come with a solvent that is considered "hazmat" and can't be ordered through Midway.) and since my S&W 460 came today I'll be able to mic the cylinder and bore to determine which sizing die to order for it.
I think it's safe to say I'm hooked, and ya'll aint getting rid of me anytime soon. May all your boolits hit true!