A small simple horizontally mounted squirrel resistant bird feeder.
This device is so simple to make that it requires no specialist tools.
The bird feeding tray is held in a stationary position whilst the horizontally mounted baffle is free rotating so that a squirrel can't get a grip whilst the birds can freely enter the feeding area from the front.
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Signing UpStep 1: Parts
Parts:
Baffle (in this case the top of a solar powered garden light, but the top half of a large bottle could be used, the larger the better).
Bottle top/cap.
Large metal bolt (preferably one which is longer than shown, but with not too much thread which hinders rotation).
Hexagonal nut and butterfly nut, that fit the bolt.
Several washers taped together in a drum, that fits on the bolt (this acts as a rotating bearing).
4 wall brackets (having a middle hole that fits bolt, and two small holes that fit the fixing screws).
4 Screws.
Small feed tray (not shown till later).
Baffle (in this case the top of a solar powered garden light, but the top half of a large bottle could be used, the larger the better).
Bottle top/cap.
Large metal bolt (preferably one which is longer than shown, but with not too much thread which hinders rotation).
Hexagonal nut and butterfly nut, that fit the bolt.
Several washers taped together in a drum, that fits on the bolt (this acts as a rotating bearing).
4 wall brackets (having a middle hole that fits bolt, and two small holes that fit the fixing screws).
4 Screws.
Small feed tray (not shown till later).
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OB
I agree with pretty much all you said.
However, I found that without the bearing the chaotic the motion of the baffle often lead to the baffle ending up sitting in an energy minimum position, and I thought that this might give the squirrel room to lock the baffle in place and lean over the baffle, but I suspect I am being a bit over cautious. Also, for aesthetic reasons, I thought the feeder looked 'nicer' if the baffle remained level when rotating.
I did think about putting a few screw through the brackets to hold the tin in place, but so far the tin has remained in place and allows it to be removed easy for cleaning. But I agree that it is a good idea, and would stop a 'dive-bomb' attack from the Squirrel (not happened so far).
A cover also seems a very sensible idea, I didn’t added one to the design as I wanted to keep the feeder to its simplest embodiment. However, I have the lid to the tin shown in the photos, so I could cut away a segment and screw it onto the base and so have the feeding area partially covered. Also a reduced feeding area might make it more difficult for the squirrel to get access to the feed whilst he contends with the baffle.
The other thing I thought I could do was to house the stem of the bolt in a freely rotating pipe, to give the squirrel the least stable footing possible. But again, I decided to go with the simplest form possible in this concept, and let people embellish upon the basic design.
Thanks for the comments.
Great, I look forward to hearing how it goes! The squirrels in my garden are not too habitualized to feeders so it will be interesting to see how the feeder fairs in another garden.
For the record, I'm currently using an 8 inch roofing bolt which has about an inch and a quater of thread.
I've updated the description to reflect your useful suggestions
Thanks
Perhaps he has learnt that too much rocking action causes the baffle to rotate, so sadly, I did not manage to capture too much of the rotation action of the baffle in this video.
Those with keen eyes will note that I’ve extended the length of the bolt to add extra protection, i.e. to stop any “reach around” attempts by the squirrel.
L