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a bit late but I just wanted to say that the sheaves are installed on Stella SM359 and worked perfectly even under tension. No issue at all; AND they look GREAT!
Thank you very much for your support and your sharing the details of the machinist! We should look at getting further SS things from him!
SM 359 Stella
My machinist just finished making another batch of the jib car pulleys from 316L Stainless Steel:
<Single Jib Car Pulley Complete Kit.jpg>
<SM _ 207 02.jpg>
The design is pretty much identical to the original cast aluminum pulleys but we make them out of 316L Stainless Steel to avoid the corrosion issues the aluminum ones suffer from. I sell them for US$190 for each complete pulley so $380 for a set of two (2) pulleys. Contact me at mfmcgovern at gmail dot com if you are interested in purchasing them.
Out of curiosity I got a quote for getting them made using Direct Metal Laser Sintering process (3D Printing) out of the same 316L Stainless Steel material. The quote was around US$1776 per pulley or US$3552 for a set of two pulleys:
<Jib Car Pulley 3D Print Quote.PNG>
SM #440 Cara
Deale, MD USA