Tom, of course the spring tension is the same on both paddles, the spring
just wraps around the rear post. However, the distance from the pivots to
the spring attachment point is individually adjustable. So, although the
spring tension is identical, left to right, that tension's torque (toward
opening the contact) is dependant on the lever arm from the pivot to the
spring grove on the screw (or is it a bolt<g>).

Dan / WG4S / K2 #2456

<snip>
2a. You forgot to ask about spring tension. The BY-1 is (supposedly)
independently adjustable for tension, however given that the spring
can (eventually) 'roll' around the cylindrical post, you usually wind
up with both paddles adjusted to nearly the same tension... which is
not all that bad an idea anyway.
</snip>

btw, I have mine adjusted so the opening torque is the same on both
paddles<g>.

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