Silangit Feed 1: Re: [Titanaircraft] Solved! - Drilling replacment gear legs on 2S & 2SS

Sunday, July 5, 2009

Re: [Titanaircraft] Solved! - Drilling replacment gear legs on 2S & 2SS

So when are you going to start selling the seats?

They look great! Much better than factory...

Kimberly Panos wrote:
>
>
> Hello All,
>
> Many of you may have seen the 'C' channel drilling jig like Chuck
> Riley's design for drilling replacement gear legs using existing gear
> truss holes. However, on the 2S and 2SS, there is the aileron torque
> rod bracket in the way. We happened to be replacing our gear legs
> today to upgrade the axles on our 2S, and had to come up with a way to
> drill the fiberglass legs and preserve the original holes in the gear
> leg truss. We built an aluminum 'C'-channel jig similar to Chuck's
> with a steel sleeve for the drill to ride in and it has a replaceable
> steel pin guide in the end (I could machine it pretty and stylish, but
> it takes more time that I just don't have). You might ask why the
> radius is so large. That's to allow for holes that are not centered
> exactly in the truss.
>
> The 'C' jig worked flawlessly on the three out of four holes where it
> could fit around the truss, but it was a problem when we got to the
> one at the bracket for the aileron torque rod. The solution was so
> simple, I had to laugh when it worked perfectly. We used a magnetic
> base for a dial indicator, but tossed the indicator for a 15/64"
> combination ignition wrench (a piece of aluminum with a hole works
> fine). We slid the 3/16" x 6" drill bit in the hole without the gear
> leg and set the articulated arm to hold the wrench centered around the
> bit. There had to be some play between the drill and wrench so we
> could see if there was any movement off center without bumping the
> wrench. We then pulled the bit, mounted it in the drill, inserted the
> gear leg and pushed in one bolt through the upper hole we already
> drilled, then carefully inserted the drill bit through the wrench and
> drilled the hole free hand while keeping the drill centered through
> the wrench. When the drill exited out the back, it hit nothing but
> air. If you are interested, take a look on the last page in the
> 'Panos' folder.
>
> --Kimberly
>
> P.S. --
> Oh yeah, you might notice a photo of our new rear seat design for the
> 2S we just finished yesterday with extra leg support and three
> different density one-inch thick layers of cushion and memory foam,
> and stitched padding totaling 3-1/2". It is comfy and cushy! The
> inside edges for the control stick are angled to clear the control
> throws. We obviously haven't flown it yet, but it sure feels good
> sitting on it in the plane. The back now zippers-off to swich between
> the factory seat frame and cushion, and the new one for quick swaps.
> Boy! I don't ever want to have to do that again.
>
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>
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