Sat Oct 18, 2014 12:41 am
I have taken over the management responsibility (and manufacturing of new parts) for one of the 172 conversion programs. After working on this for nearly three years, i have learned a tremendous amount, and I have gained some hopefully useful knowledge.
The rear tail structure of the early 172 is slightly different than the last 170B's. This makes it difficult, clumsy, and not a really good fit if you try to put the 170 tailwheel structure directly into the 172.
Commonly accepted history holds that Cessna found the tail control response of the big round tail on the 170 could be improved, so they knew they had to design a more efficient (higher aspect) ratio tail for the 180. This worked very well, so when the first opportunity came up, they used it on the new nosewheel version of the 170, which of course is the early 172.
So in THEORY, the converted 172 should have a little better control response than the 170, despite being nearly identical airplanes. We have plenty of high time 170, 172, and 180 pilots around here who can talk about that from thousands of hours of experience. I can't address this question on that level.
There is another entire thread dedicated to the details of my Fravel 172 Tailwheel Conversion, feel free to ask any questions there where I can address them in greater detail.
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