Bewildering B-25s
Working in applying the new techniques to the B25s, what a bastage to build this plane is. I’ve had some tough planes but the B25 takes the cake. The airframe has some strange elements that just make it very difficult to get the right feel out of the plane. It also has some key data gaps which I’m struggling to fill, wing section has NACA 4409R, R= reflex, but what and how much reflex?? The wing has washout, it appears for be about 3 deg washout, but again I have no real proof, just some polish references to 3 deg incidence and something about wing also 3 deg.
I find the Japanese planes seem to have good and well documented data, at least the data makes sence. The US data you think would be easier to obtain?? It seems we have a LOT of US data that conflicts, to much information with lots of guessing and errors involved from said ‘experts’ who know everything about allied aircraft. Short of getting the original US blueprints it seems other data is full of estimations, or drawn from memory, which is obviously faded. Even the engine data sheets conflict with the graph that came with the manuals, totally unbelievable, perhaps the Imperial Japanese sabotaged the US documents library?
I have been stuck on the B25 for two weeks, it usually takes less time to build a plane from scratch than that. These are some of the issues a FM builder has to put up with I guess.
Any way, I ordered the 2600-13 manuals, lets see if that helps.
Back to work.
