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Cool shot , maybe dry ice would work for fog
I spent a good deal of hobby time this week doing deflection and stress calculations as I design a new return spring for "Train Order Semaphore Mark II". As reference, here is what Mark I looks like:
... And I was just gonna us lights in the fascia. ...Steve
I spent a good deal of hobby time this week doing deflection and stress calculations as I design a new return spring for "Train Order Semaphore Mark II". As reference, here is what Mark I looks like:I need 6 of these installed, with a couple of spares, in the next two months to meet my internal deadline for Vanrail 2013 in September. I am flipping the design around so the "hot" Nitinol line is outside the mast instead of inside. This should simplify the design overall and permit a faster response time but it does require a new spring design hence the calculations.md