Zinc Chromate enamel/primer yellow or green 12 3/4 oz spray cans $8.95 Dillsburg Aeroplane Works 112 Sawmill Rd Dillsburg, PA 17019 717-432-4589 M-F 0800-1700 Eastern catalog available on request I a
Blake, The product you're looking for is a Spiral Vibration Dampener, manufactured by Preformed Line Products. http://www.preformed.com/artsfest/files/literature/PLP_CommC atSec23.pdf I had the same
Hi Dick, I was very concerned that the vibration would damage my towers, so I took no chances. The Preformed Line Products SVD dampeners completely solved the problem by installing one dampener at th
And if you don't mind being prosecuted and fined for violation of federal law... -- Original message -- <ooe@odessaoffice.com> kd4e@verizon.net lovers! of that option. Richard AND live away. I would
* * A very important clarification to Gary's comment below * * Cadwelding presents a very serious fire hazard. It must be used O N L Y when there are no fire hazards in the proximity of the welding p
Hi Chuck, Its a ring rotator on steroids, just like everything from K0XG! He had several models at Dayton. 73! Frank W3LPL _______________________________________________ ____________________________
Integrity of the zinc-concrete-air interface is critical to long term tower durability. If poor construction techniques allow the interface to become a zinc-concrete-water interface -- or much worse,
Steve, Dillsburg Aeroplane Works ships lengths up to 8 feet via UPS. Thier price for 2 inch od, 0.25 wall 6061T6 tubing is $7.30 per foot. They provide same day shipping. Dillsburg Aeroplane Works Di
Yes, McMaster-Carr has it but its pricey! They are terrific with their next day delivery service, though Part Number: 9056K136 $88.95 Each Material Aluminum Alloy 6061 Outside Dia. 2" Wall Thickness
Do a Google search for: W3GH noodle beam His photos are sufficiently detailed to provide guidance for construction. 73! Frank W3LPL _______________________________________________ ___________________
Dan, Here are the attenuation specifications for some common cables at 28 MHz: Cable dB per 100 ft dB per 500 ft LDF7-50A .12 .6 LDF5-50A .19 .95 3/4" CATV .26 1.3 LDF4-50A .35 1.75 9913 .64 3.2 LMR-
Scott, I've had a full size 3 element 40M beam in the air for the last 35 years, and a pair of them since 1986 in a very exposed location. I've had no element failures, apart from several elements fa
Keith, In my opinion, two 40M full size 3 element Yagis would be just as effective as three, less costly, and your 15M stack will perform better. 40M full size Yagis interact badly with 15M Yagis. Te
Allen, To get useful stacking gain from a 4 element SteppIR and a small 10 meter Yagi, you would need to install you 10 meter beam at least 18-20 feet above the SteppIR. In all likelyhood, if your to
Tom, Lets assume your total coax cable length is 500 feet from your transmitter, out to your tower, up the tower, then to the C31XR feedpoint. Here are the loss figures in feet per dB for various com
Dave, Please provide some insight into what's important to you in your new antenna system, it will help many of us give you some really useful advice. For example: What about 17 and 12 meters? 17 met
DIS-72 is the HyGain Discoverer 72 http://www.hy-gain.com/products.php?prodid=DIS-72 73! Frank W3LPL _______________________________________________ _______________________________________________ To
Tom, Before you decide how much risk you should prudently accept (thats the question you really asked us), you should consider the consequences of potential tower failure. You should be less risk tol
Dick, 1/2" heavy duty thimbles are required by Preformed Line Products for use with their Big Grips for 1/4" guy wire and Phillystran. See: http://www.preformed.com/artsfest/files/AppProc/SP2049-3.pd
Hi Dick, It seems unlikely that Rohn makes preformed Big Grips. Preformed specifies use 1/2 inch heavy duty thimbles. The cost isn't much higher than 3/8 inch heavy duty thimbles. The only way to res