Fairchild Club Forum

'Anyone have a copy of the overhaul manual for a D-3 wobble pump? I need to overhaul both of mine for the AT-21. I¹m trying to do some of the work on this restoration in an 6¹x8¹ workspace until we get moved, hopefully later this year. Craig C. [Non-text portions of this message have been removed]'

'Mike, It can be done. It takes talking to the feds and showing that you will in fact producing over 51% of the work involved in producing the end product. You then have to document that work. I can guarantee that designing an entirely new wing and center section, producing the parts and completing ...

'Actually Mike, it can be done without having to hire an experimental test pilot. The FAA will approve the mod. The biggest problem is that by the time you meet all the engineering requirements and test requirements to satisfy the FAA, you will have expended well over a half million dollars. It coul...