sailboat I can attest to the fact that epoxy based products are NOT UV resistant. Polyurethanes are the way to go. Epoxies breakdown quickly (approx. one year here in the Pacific Northwest USA - a v
Paul, For additional information you might find W4RNL's article titled "Some (Old) Notes on Home-Brew Parallel Transmission" worth your time. His excellent home page is located here: http://www.cebik
I'm just finishing up refurbishing a 12 year old A3S and adding the 40 Meter kit that's been languishing in the basement for a long time. After researching the various balun options I decided to go w
Steve, Just happen to be working on the same project myself at the moment. Took down my 12 year old A3S to refurbish it and add the 40 meter kit I acquired ten years ago while "horse trading". You ar
Maybe July 2002: http://www.arrl.org/members-only/tis/info/pdf/0207035.pdf 73 Patrick W7TMT --Original Message-- From: towertalk-bounces@contesting.com [mailto:towertalk-bounces@contesting.com] On Be
In addition, don't overlook a tool called the "Solder Sucker" - at least that's the name of one the one I have. It's basically a small squeeze bulb type device with a small plastic tip. You heat the
Tom, 1) In your opinion where is the cutoff between "elevated radials" and a "ground plane" system. How high off the ground does the system need to be before it becomes a GP rather than an "elevated
Tom - W8JI, As always Tom thanks for your clear explanations. You often plug the gaps that are left by some of the mainstream printed publications. 73 Patrick ________________________________________
The Central Texas DX & Contest Club has a page about tracking down power line noise sources... Just happened to run across it today while looking for something else. http://www.ctdxcc.org/powerlines/
On my HF2V (very similar to the HF6V) the gap is only 5/8 inch. Its not at all critical so don't worry about getting it exactly like the original. If you're going err make the gap a little larger and
Here is how the testing is described on the SteppIR site... (http://www.steppir.com/, click the Field Test button) -- "We started by placing a reference dipole at one end of an antenna range and a re
Tony, Not sure how the available space around the Widows Walk is structured but you might want to checkout this link. The specific item that might meet your needs is titled "RM-2 POLE /BUILDING MOUNT
Barry, Try this link. The specific item that might meet your needs is titled "RM-2 POLE /BUILDING MOUNT" (scroll down the page a bit). Lower assembly has bracket with holes for rotator and upper assy
The real problem with Boeing surplus is that we (Boeing) don't "build" aircraft anymore. We are now officially a "Large Scale Systems Integrator". Translated that means that a huge and growing amount
There is also this link on VE6WZ's site which might be helpful. http://www.qsl.net/ve6wz/CC_coil.html He provides details of the coils he built for his modified 2 element 40 and provides detailed inf
Tom, I've read your comments & analysis of "T" tuners before with interest but what's your opinion on the "L" - double balanced" tuner concept with variable inductors in each leg (used with open wire
"Simplified Strengthening of the Cushcraft 40-2CD" by N4KG, NCJ - Mar/Apr - 1994 73/Patrick W7TMT Snip... I believe there's another article detailing a subset of Dave's modifications that appeared in
I won't comment on the value of rivets vs. hose clamps since I have no experience. However, hose clamps I do know a little bit about having owned a 40' sailboat for nearly 30 years. My personal inter
The "double nut" approach for locking has been used on boat propellers for decades. One nut locks the other and then, considering the consequences that loosing your prop can generate, the deal is fur
I think in the 2nd sentence he was saying essentially that he doesn't have access to his handbook otherwise he wouldn't be asking. I'll scan the chart and send him a copy directly. 73/Patrick W7TMT _