IDC Technology - SIDEWINDER

The Sidewinder consists of a system of shelves mounted to the tower with a "gate" as shown in the picture. The shelf on the top is the bushing shelf, which carries the bushing for the gate. The bushing is made of a high quality Nylon impregnated with graphite. This material is U.V. resistant & wear resistant. The bushing is fastened to its shelf with three 1/4" stainless steel bolts and Nylon lock nuts. The shelf is made of 1" x 1" x 1/8" aluminum tubing. The shelf is secured to the tower in three places with 1/4" stainless steel U-bolts & lock nuts.

The gate consists of two vertical round masts & two square standoff arms. The masts, inner & outer, are approximately 2" outside diameter, with heavy walls. The inner mast fits in the clamps of the rotator at the bottom & in the bushing hole at the top. The inner mast is nominally 48" tall, subject to change per customer requirements. The outer mast is where the antenna(s) get mounted. It is normally 26" tall, with 8" below, between & above the standoff arms. The standoff arms are 1.5" square with 1/8" walls. The standoff distance is determined by the tower on which the gate will be used.

Not shown in the photo is the optional thrust bearing shelf, which mounts to the tower just above the rotator when used. It is made to carry the thrust bearing, which is chosen & supplied by the customer. The thrust bearing & shelf assembly relieves the rotator of the vertical (thrust) & lateral (radial) forces normally imposed onto the rotator in the absence of the assembly. Additionally, having the thrust bearing shelf with an appropriate thrust bearing will support the gate & antenna assembly in the event of rotator failure, allowing the removal of the rotator without concern for the security of the antenna & gate assembly; they stay on the tower while the rotator is replaced or repaired.

The shelf on the bottom is the rotator shelf, which supports the rotator. The frame of the rotator shelf is made of 1" X 2" X 1/8" rectangular aluminum tubing. The rotator is supported by a 3/16" thick aluminum plate which is welded to the rotator shelf frame. The plate is drilled for both HyGain abd Yaesu bolt patterns. (Please notify us if you have different requirements). The rotator shelf assembly is fastened to the tower by three 1/4" stainless steel U-bolts with Nylon lock nuts for a strong, rust free, vibration proof attachment.

This product is subject to change per customer requirements. The description given herein is intended to convey the basic idea & architecture of the Sidewinder. We have thus far produced the Sidewinder for Rohn 25G, 45G and 55G towers. Please notify us of the particular tower on which you plan to install the Sidewinder at the time of order.

The basic Sidewinder, including bushing shelf, gate, rotator shelf & attachment hardware is priced at $429.00 for the SW-25, made to fit Rohn 25G towers or equivalent.  The basic SW-45 and SW-55 models, made to fit the larger Rohn 45G and 55G towers or equivalent, are priced at $479.00. The optional thrust bearing shelf is an additional $100.00 for all three models. All prices do not include shipping. This item will now ship UPS or FedEx.  Motor freight to your location, pickup at the IDC Technologies production facility in Tennessee, or delivery to certain hamfests in the Southeastern US are other options. These are custom items (non-stock) and are manufactured at time of order. Lead times are at least one week for production. Contact us for current production times, shipping estimates, or special requirements. NOTE: When ordering this item, please tell us which type of rotor you will be using with it, as some types require special drilling on the mount.

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