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| vtsteam:
Me, too, Adev! :beer: Thanks for the link Andrew, I'll read through tonight. I like the idea of pins plus bolts. If I remember correctly my steel flasks were made of 1/8" x 2" channel iron (3mm x 50mm). The flanges faced out, and they could be stacked and bolted together into deeper drags or copes if need be. They did use tapered locating pins as well. But, oddly, I never thought to bolt cope and drag together! I was very much influenced by Ironman's flasks -- he used amazingly (to me) shallow flasks for pouring iron. And what beautiful castings he does! His flask frames were made of thin aluminum, too, so they were nice and light. I tried casting an aluminum flask with thin walls but didn't get good results, and I hated to use up a lot of my dwindling aluminum stock, so switched to welding out of the steel channel iron. But.......here I am using my old charred wooden flasks again.... :scratch: |
| vtsteam:
Found old pic of making them. Weld beads inside to help lock in greensand: Full thread here: https://madmodder.net/index.php/topic,8860.0.html |
| vtsteam:
Using the new lathe to reduce the stub end of the handwheel finger knob: |
| vtsteam:
Center drilling the handwheel: |
| awemawson:
Excellent - coming along nicely :thumbup: Ironman always seems to get good fluidity in his pours, or maybe his venting is especially good as I've noticed that he avoids high 'heads' of metals that us lesser mortals resort to ! |
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