Curtiss Jenny Restoration

Welcome! We hope you enjoy following the restoration process of a 1918 Curtiss JN4D Jenny. Once completed, the aeroplane will be flown and displayed at the Candler Field Museum in Williamson GA (30 miles south of Atlanta). You can contact me below by clicking on "VIEW MY PROFILE"

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Location: Peachtree City, Georgia, United States

Tuesday, September 14, 2010

Stick pushrod and Wobble Pump Mount

Today the end of the rear stick pushrod was finished. The bracket (which was made before) was tack welded to the rod.



And then finish welded.



Here is the rod in place. This design allows the stick to move left and right and still push/pull the elevator horn.



Another view from the other side. The rod was given a final coat of primer and will be painted black soon.



It was time to tackle the wobble pump mount. Location of the mount was frustrating a bit. First of all, we had aileron and rudder cables to avoid. In one location, your knee hit the pump handle so that wouldn't work. We tried raising the pump above the seat rail, but you needed a big piece of plywood mounted vertically between the upper longeron and seat rail. I didn't like that.

Most of all, if you needed it, you had to be able to pump the handle and still fly the aeroplane.

After mucg head scratching, a good location was found. But till then, the bracket was cut from some 1/4 in. plywood and some sheet metal.



The sheet steel was cut into strips and bent 90 degrees using forming blocks. Yes, a brake would have worked nicely here, but I don't have one.



Here is the lower mount. It will screw to the plywood and floorboard.



The brackets were drilled for the brass screws.



The hole in the plywood for the pump was cut using a small hole saw...



...which allowed the scroll saw to cut the radius.



Things got cleaned up on the spindle sander.



Here is the location of the bracket ! The aileron cables run above the top bracket, the pump sticks out enough so you can pump the handle without hitting the aileron cables, and the rudder bar cable runs in front of the bracket.



Believe it or not, you can sit normally (with one hand on the stick) and operate the pump. I hope we don't have to use it, but if we do, you can fly and pump simultaneously.



More soon

Brian

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