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Hey guys! Hate to bother you with another probably obvious question that seems to be slipping my mind. The aft cg limit is limited by the nuetral point of the aircraft. However, I can't remember what is used to determine the forward cg limit. Thanks for any input.

So Vne and Vno typically equal Vc? Thanks again. I am using it as a guide but it is tricky because I am writing the POH that will be sent to get approval from the FAA. I am using FAR23 as a guide to what information I will need to include as there are no real guidelines for the actual...

Okay. The model is scaled properly and I hjave been able to fix all of the stability issues. It was due to mis-sized horizontal and vertical tails. I am currently just writing the POH for it and am trying to calculate the numbers required by the FAA. My new problem is the VNE and VNO which are...

rb1957 just wanted to say thanks again just took a look through those FARs and found exactly what I need VA = VS*sqrt(n). I truely appreciate your help I didnt even think that the formula would be in the FARs.

Thanks for the info on which FAR it is in. It is a modification tachnically. They had a prototype model and brought me in to revamp the aircraft as they were having trouble with the old version. Turns out the old engineer didnt feel it neccesary to determine the stability of the aircraft. The...

Hey everyone! I am new here and was wondering if someone could help me out. I went to school for mechanical and aerospace engineering (dual major) and have been working in the mechanical side for a while. I recently started working in the aerospace side and am working on a aircraft design. I...