I'll soon be wiring some toe boards with telephone-type cable. What's the best method of tying those bundles to prevent their interfering with direct valve action? Surely there must be a more modern way than lacing with waxed cord, but I'm hesitant to use the plastic ties, having noticed they get brittle over time. How about nylon in place of plastic (assuming they make such things)?
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Best Method of Tying Wires on Toe Boards
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Re: Best Method of Tying Wires on Toe Boards
I haven't used it in organ repair yet, however for many projects I like to use monofilament fishing line. I believe that there is some made of nylon. I think it would be a fabulous substitute. However the tying is alot more tedious than using the plastic ties. Yes they do degrade but not all that quickly. The important question is what lifetime do you want to give this repair?
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Re: Best Method of Tying Wires on Toe Boards
I turn the toe boards over (bottom up) install 3 or four 3" or so round dowels spaced evenly down the middle of the tow board. I then attach a round dowel the lenght of the toe board and that allows me to suspend the wires for the magnets over the top of the magnets. Simply bring the wire down from the bundle (which is secured to the long dowel) and wire the magnets. After cleaning all the wiring up, use small tie wraps to finish your work wrapping all the wires tightly around the toe board length rod.
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Re: Best Method of Tying Wires on Toe Boards
Jay I've done ground straps two ways. I've run the copper strap out under the toe board, folded it up and ran a screw though it and most often I've used 4-6 of the spares and soldered them to the common strap. I've always mounted the magnets on a common copper strap. It's that Organ Supply roll copper material with the sticky back.
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Re: Best Method of Tying Wires on Toe Boards
Yeh, Don....I guess that will work over a lifetime, or so. Was just curious.</P>
I don't do many direct magnet chests...but the last one I did was down at Covington. On that one, I used 2" thick toeboards for good speech, and 40 ohm magnets throughout....mainly to ensure a darn good pull on the armatures so there would not be a need to go back and re-balance the position of the magnet poles to the armatures. You know how annoying that can be.</P>
I used 4" eye bolts, which I ran about one every 18 inches....as cable standoffs. They are positioned where the cable is running over the magnet cores...you can see either front or back of each magnet. I twisted #14 solid copper buss wire around the stems of the eye bolts, just above the eyes. This became my grounds. Then I ran the keying cable through the eyes, themselves. Suspended the cable with plastic wire ties, just snug enough to hold it up close to the ground buss. My initial plan was to wrap the cable with friction tape, but time was of the essence...so the cable remains undressed. Each magnet has a ground pigtailed wire, and of course, each keying wire has a pigtailed lead.</P>
One of the tricks I learned in this installation...that of nicked wires, resulting from the stripping process. As you are soldering the stripped connection, the PVC coating will retract slightly from the heat of the solder...if you back the soldering iron up, over the nick, the wire will not break as a result of the vibration of the magnet working all the time. This greatly cuts down on the possibility of broken wires. Of course, one of my helpers was a "smart a.." from Austin Organs...he stripped wires with his fingernails!</P>
I'll swear...there must be a thousand ways to build an organ, and this guy just showed meanother new one.</P>
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Re: Best Method of Tying Wires on Toe Boards
Those are great ideas Jay. I never thought about using eye bolts. I had to counter-sink drill and glue my dowels in the bottom of the toe boards. Screwing in the eye bolts wold have been easier for sure!! Thanks for that tip. I think the reason I did mine that way was because I saw it in another organ....Wicks I think.
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You're right....there are thousand ways to get to the same goal building pipe organs.[:D]</p>
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