Weight & Balance

[STONE]

Thank you very much Chris.
Are the data you posted referred to the Sonex-B?

Mario

Welcome Mario! If you check out Chris's blog or posts here, you will see he has an A model. The B will have the same datums. Check out this graphic from Sonex:


If you do a non-standard engine you may need to figure out an updated datum.

Thank you very much Bryan


Mario

[flyguy0609]

I agree with Bryan.. The datum location is arbitrary. I'm defining the datum as being 54" forward of the wing leading edge. Then one can lift the moment arms directly from the Sonex book. I have a W&B excel file I play with.