Hi Everyone, Does anyone have a source for an inexpensive thrust bearing? I have a plate on the top of my tower with a hole through it, and was thinking of putting a thrust bearing on, but the ones I
Rob: Use a block of wood. My Rohn catalog from ca 1987 carried a thing they called an Amateur Block (P/N AB) that was intended to be bolted onto a flat top plate. It was nothing more than a block of
You get what you pay for. An inexpensive (aka cheap) thrust bearing or substitute device (not recommended) may in the long run cost you more in time and frustration than if you spent the $50 in the f
For that matter, the upper bearing in my sidemount is made out of a piece of an old high-density polyethylene cutting board. 73, Pete N4ZR _______________________________________________ ____________
You can build a thrust bearing for pennies or maybe a few dollars that is far superior to most commercial thrust bearings particularly if it is used to keep the mast centered and does not serve as a
Oh,oh...I feel a "..we're going to beat this subject to death..." coming on. Anyone want to talk about seabirds again instead? - Mike You can build a thrust bearing for pennies or maybe a few dollars
Thanks everyone for the ideas on thrust bearings. They have been very helpful. 73, Rob, KL7NA -- Rob Frohne, Ph.D., P.E. E.F. Cross School of Engineering Walla Walla College 100 SW 4th Street College
The Amateur Block was actually Phenolic. I would not use wood, as wood absorbs moisture and swells. That might put the "squeeze" on the mast and bind the rotor. An idea: Go to WallyWorld and get a pl
Thanks Jim, Gale, et. al., I will have the prop pitch mounted down in the tower about ten feet. The mast will thread through a bearing about ten feet above it that will hold side to side force. I was
And cut it through the center so you can replace it without taking anything down. Just take off the two pieces and replace them. Make several of them while you have the stuff and measurements handy a
There is a material called "star board" that is very tough and looks somewhat like Teflon. It is used a lot in the marine industry. It can be had at most plastic supply houses. You could probably get