Tilting floor trap and perch

Here's the axle, the rod in the corner.

Here's the sides and face plate. Also the tipping floor and funneling chute.

Counter-balance arm and slot in side wall. Notice the floor and wall arc matches the arc of the roof

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The chute that will lead to the down tube and catch cage.

The tipping floor wall hole will close off as soon as it tips. There's the counter balance bolt, nut, and washer.

  Counter balance arm and what seems to be the right amount of weight, such that the floor tips with 4 qtrs.