ORIGINAL: RCVF
... I think thrust is more what a trainer needs.
I had a 12.5X5 on it, applying that logic; no joy. It is slightly less "piggish" with the 11X7.5.
I think the main problem is the airplane is heavy. I haven't weighed it yet (cannot find my scale, but I bought another one yesterday), but it feels like seven or eight pounds.
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