a. Is that the flagpole makers rule-of-thumb, and does the depth depend upon the size of the flag and wind conditions..? b. The communications industry standard for conventional 'telephone poles', is
Paul, Keeping the little critters out of the conduit can be done by using any of several methods. If you stuff the open spaces with common home insulation, the majority of intruders will be kept out.
John, All guy lines, regardless of guy material, should be connected to the guy rings with thimbles, preferably stainless steel, although galvanized thimbles will work. A thimble will allow the guy l
George, If you cannot find a replacement thrust bearing through Ham Radio sources, you might look up the name of your local industrial bearing distributor. I have found that very few thrust bearings
Keith, The general rule-of-thumb for ground rod spacing is simple and effective. Space the rods twice the length of each rod and tie them together with copper strapping, or heavy copper wire using 'o
Martin, I've had similar problems with the mast freezing in the sleeve... My solution was to make a cone-shaped guard and fasten it around the mast slightly above the sleeve opening (seal it well). I
Phil, I like your idea even better than mine... CV Joint Boots are made to hold up under the worst conditions of off-road use too... I'd still recommend lubricating the sleeve/mast junction with low
Lee, AlfaSpid... http://www.alfaradio.ca/ the hands down winner..! Worm drive, and NO Brakes (therefore, no brake delays) needed... Enough torque to rotate a VW Bug..! The only rotator I'd recommend
Oh, Shannon, "1-1/2" solid inside 2" tubing 1/4"wall tubing" sure sounds like an 'oxymoron' to me...<grin> If you can make 'SOLID TUBING' you might win the Nobel Prize in dual molecular physics... ..
Joe, AlfaSpid, Canada... Double worm-gear drive, very strong... Very hard to damage... http://www.alfaradio.ca/ 73, Larry - W1GOR -- Original Message -- From: "Joseph Young" <jwyoung@cybertrails.com>
Jim, Two common sparkplugs, spaced about the same distance as the OWL, and threaded into a grounded block, will provide adjustable spark gaps that can be set to the desired breakdown needed to protec
TT Group, Go to: http://www.geology.enr.state.nc.us/gis/latlon.html for a conversion utility. 73, Larry - W1GOR, ARRL 40 year Life Member _______________________________________________ See: http://w
Dick, Sounds like a typical outboard motor problem...the case is aluminum alloy and the bolts are steel... Electrolysis has semi-permanently fused the two metals together. The cure is HEAT, carefully
See this web page for mechanical details of the 'falling derrick' method of tower raising: http://www.n6rk.com/falling_derrick_gme/falling_derrick_gme.html The site contains a number of excellent pho
In August 2002, the ARRL (QST) published a report of their laboratory tests of eight Low-Pass filters. The report is available for reading on the Product Review pages at ARRL.ORG As an answer to the
Can anyone provide a reasonable explanation for this issue..? What would be technically incorrect about filtering before and after the amplifier..? 73, Larry - W1GOR _________________________________
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