Re: Should I buy a B2?

[Dave Chesavage <dchesavage@qualcomm.com>]

>Dave,  I'd like to upgrade my BC to the newer style drawbars.  How
>difficult/expensive is this job? Cheers, Ken

Good question. Somebody on the list suggested it was a simple matter of
replacing the old drawbars/contacts with new ones (salvaged from a spinet,
for example) and I can tell ya first hand that this won't work. I know this
because I spent the better part of last weekend trying to do it. 

It sure looked and felt like the drawbar contacts were making physical
contact with the busbars, but it's pretty hard to see in there when it's all
assembled. There was no electrical contact as evidenced by the VOM meter. I
suspect that you either need to replace the busbars themselves, and/or the
busbar shims, or perhaps the up-and-down spacing of the slits in the
bakelite side panels is different. I'm not sure yet.

Right now I'm trying to track down a newer drawbar assembly, or failing
that, another old ratchet assembly that I can use as a guinea pig for my
experimentation. That way the organ isn't "down" while I do the job. I plan
to post the directions once I'm successful.

Dave