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Weathervane planning

Posted: Thu May 16, 2019 7:08 am
by ZachC
I've been working on planning a fairly simple weathervane and while I am finding a decent amount of information on the internet, there are some things I'm just not having much luck with. Does anyone here have a weathervane or know specifics about them they could share with me? The specifics I'm looking for are:

1. How wide around does the shaft need to be? From the pictures I've come across some look as small as 1/4 inch, others 1+ inch.
2. Proportions: Are there fairly standard heights for the three sections? This site shows what they use for a small or large weathervane.

I did find some general guidelines about how large the design should be based on the roof it will be placed on, but after I wet-cement-finalize the design, I will be creating a 1/8 scale model to see what issues I'm going to run into.

Re: Weathervane planning

Posted: Sun Jun 09, 2019 2:58 pm
by Martin Pansch
Hi Zach.

I haven't done one myself and don't know of an industry practice for sizes. If it were me and time constraints weren't an issue I would probably haunt some of the flea markets and antique stores with a notebook and tape measure. I see weather vanes in them from time to time. I'm guessing you are going to find a range there too just like what you found online.

Are you asking from an esthetic angle or for strength?

Are you planning on using a bearing or bushing for the rod to turn in or is it going to be steel on steel?

I'd love to see a photo of your drawing or scale model when you get to that point.

Re: Weathervane planning

Posted: Mon Jun 10, 2019 12:44 pm
by ZachC
Hi Martin,

For the shaft and mounting bracket it would be for strength. For the proportions it would be to make sure it's good and visible from a short-ish distance, about 150 feet or so.

The whole thing will pivot on a bearing and some grease. It seems like the easiest implementation overall.

I am not in a big hurry, I believe I have about 2 years or so before the anniversary of the location I would make it for (friend's business). Since I just moved and our final grading on the yard is not complete yet, I don't really have anywhere to setup and forge just yet. But I'm planning to show up to the Hammer In this coming weekend. I'll have my sketches there and a bit of metal to try a few things out with.