The spring switch from the West end of North 1 to the North Main is now
installed and operational. The point spring mechanism and the manual override
(to manually line the switch for reverse moves through the diverging route)
work as intended. The only thing left to do is re-install about six feet of
North 1 and make the proper (this time!) electrical connections.
The next thing is to make remote manual switch throw mechanisms for the Back
Lead switch and the West Pass switch to eliminate the "long reach" necessary to
line those switches. I'm seriously considering spring switch mechanisms for
them, also, but not for operating convenience. that wouldn't work, anyway,
since those two switches are of "selective control" variety. The purpose of the
springs would be to return and hold the points in normal position after
reversing the switches for their respective diverging routes with the manual
throws.
This way, the control rods will be subject to only tension (pulling) forces
against the springs when lining the points for the diverging routes and not
have to be fortified against buff (compression) forces to line them back. The
more I try to explain this, the more confusered I get. I'll let you know how it
works.
boB Nicholson _____________________________________________________
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