I have posted photos of my homebrew tiltplate at:
I basically copied NN4ZZ. He wasn't selling them at the time.
At this time, I'd recommend buying his plate.
The piano hinge concept didn't seem to make sense for a MonstIR.
If you come up with a design that works, please let us know about it.
I did build a light duty tilt plate using door hinges (piano style).
We used it on Field Day to put up a 204BA 4 element 20 meter beam. It
worked fine, but was a fair weather solution. If there is sufficient
interest in the Field Day design, I'll try to put that up on the
web site. A mechanical drawing of it is available.
I added a latch of my own design to the MonstIR tilt plate to keep the
beam level when the wind blows. I operate the latch from the
ground with a 20 ft pole. Photos are up on my web site.
Terry G. Glagowski wrote:
> Has anyone ever built their own homebrew TiltPlate similar to what NN4ZZ makes
> described here?
> Maybe REAL contesters don't use crank-up / tilt-over towers, but I do!
> I would envision a less exorbitant version consisting of a couple of
> mast-to-boom plates joined with a heavy duty piano type hinge. The top plate
> would be fastened to the tower mast, the lower one to the antenna boom.
> As the tower tilts over, the antenna stays horizontal due to gravity.
> Any ideas or caveats to this? Using materials from McMaster-Carr, one could
> built for between $50 and $100 (or more) depending on how heavy duty you would
> like to go. (1/4" or 3/8" aluminum plate, and 3/16" thick stainless piano
> 1 ft long)
> Terry / W1TR
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