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Michaels Web Site
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Date: 1-6-2012
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Number of Hours: 2.00
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Manual Reference: L03
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Brief Description: Tail wheel push rod
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Having decided to make a different kind of tail wheel push rod from the plans, I ordered rod end bearings (x2), some 3/8" chromoly tubing, and some bolts of various lengths (because I they are cheap, and I didn't know how long I would need or want).
- I updrilled the rudder horn and tail wheel pivot arm to 1/4" holes, to accept the male post ends of the rod end bearings. Then temporarily installed them into the rudder horn and tail wheel pivot arm.
- Got the rudder at zero deflection, and then the wheel (so both were straight down the center axis of the aircraft.
- Now I measured between the female ends of the rod ends, as in photo #1.
- Then cut the heads off of two bolts.
- Laid out two lines on the work table (green lines in photo #2) that equaled the dimension in photo #1.
- Decided how much thread would go into the rod end bearing (I decided about 2/3 of the threads, marked that on the threads, then decided how much of the bolt shank to put inside the chromoly tubing.
- Set the bolt locations by laying them out in relation to the green measured lines, then laid the tubing next to them and marked where to cut the tubing. The end result of all that is photo #2.
- Cut the tubing to length then updrilled the inside ends of the chromoly tubing to get the i.d to 1/4".
- Test fit the bolts in the tube and taped them in place for a test (see photos on next page).
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Measuring between the rod end bearings in place
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Uncut bolts above; cut bolts below; chromoly tubing at the bottom, cut to length.
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Same as photo #2, but with bolts test fit in place
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