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Tail wheels... leaf springs, etc ?

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Jerry

Radial Skybolt Builder: 220.45% completed
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Okay... I've read a lot about the geometry of setting up the tail wheel, but haven't seen anything as far as the whys of making them.

A few questions.
1. How far back should the tail wheel be from the tail post? Is further back better than closer? The image below shows the tail wheel 12" and 16" behind the tail post.
2. Leaf springs... is there some logic as to how many leaf springs to use? I generally see three stacked.
3. Right now, at 11.5 degrees, the bottom of the tail post is 16" off the ground. Is 11.5 degrees a good angle to have in the three point... or more or less?

thanks
Jerry

tailwheel_geometry.jpg
 

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