While not all epoxies are the same, in the boat building and repair world heat is regularly used to soften and remove cured epoxies. Most of those epoxies have a pretty low resistance to heat. 200 de
In the fiberglass boat world 2 part linear polyurethanes are generally considered the longest lasting although not cheap. Caution is advised during their application. Just follow the instructions and
Grant, Did you use a single part polyurethane or a two part product? Huge night and day difference between the chemistries. Im sitting in a marina right now where at least 95% of the fiberglass boats
My suggestion was based on 35 years at Boeing and 40 years owning and painting sailboats. However, if others have had good luck with $18 a quart consumer grade paint rather than the $70 a quart stuff
In the aircraft/aerospace industry the tools are called "cannon plug pliers". Just need to find the right size range for the connector in question. https://www.aircraftspruce.com/catalog/topages/cann
They are great! However, note that not all are created equal. The low quality units have just the bare screw end pressing down on the wire ends. That variety can easily cut smaller gauge wire. The be
Mike, Since you indicated guys were not a problem, you might want to check out the telescoping masts that Max-Gain Systems offers. (https://mgs4u.com/fiberglass-push-up-masts/?v=7516fd43adaa) I don't
My single tower contest station is based on a 38' sailboat. I use a pair of Jackite's largest poles to support an inductively shortened 40/15 M dipole and another pair for a 20/15 M dipole. I need to
As a sailor, with tens of thousands of miles of open ocean sailing and zero tolerance for gear failure in that environment, I'll add my 2 cents. KZ1W's recommendations regarding polymer ball bearing
I've no source for premade but several links that might help you roll your own. I used AD5X's technique to make loading coils for a shortened 40/15M dipole I use on my sailboat. The elements are supp
I was looking for an old style (straight element) 20-10M dipole. No longer appears on the site as best as I can tell. Theres a heading for Dipole but its for an add-on not a plain standalone unit. Ma
Wasnt suggesting they were in trouble. I was just offering my observation that the product offerings have in fact changed. Given the price, something like a dipole is likely very low demand. So its n
I contest from a 38 sailboat located near Seattle. When people comment on the difficulties of a small city lot it brings a smile to my face. My lot is 12 wide at its widest and 38 long with a 45 alum
Sorry about my prior post. Was intended for an off list suggestion regarding the Urban beam not Larrys musing about that replacing the dipole. W7TMT Probably pruning for what sells the most - still a
Jim, I changed the subject as I hadn't intended to hijack the previous thread. I think I have read everything you've written. Have that article right here on my hard drive in my antenna folder along
I use the four pin version of the flat NAPA connectors with my SGC-230 tuner control cable. Note that out of the package they are a very, very tight fit. A bit of grease on the pins and sockets make
This basic concept is used to power anchor windlasses on mid-sized boats. The windlass motors draw 100-200 amps. A dedicated battery is mounted close to the windlass motor and its control solenoid. T
With 40 years' experience owning saltwater based boats I've observed that 316 stainless is the standard in high end marine use due to aesthetics not strength or longevity. Grant, KZ1W already covered
Follow Up I received several questions off list regarding the cleaning process. Since they were all essentially the same I'll respond here. My apologies if this isn't of interest to all. On simple su
Bill Gates once said that "The best way to make money is too set the defacto standard". Apparently he was correct. Someone else said that "... standards are so great that everyone wants their own." S