"For a first flight- the CG is placed smack in the middle of the envelope." I am helping a friend who purchased a BREEZY and has made an engine/prop modification. We have weighed the plane and I made a spreadsheet to calculate the CG, but I can find no information on what the Forward and Aft limits should be, so I don't know what the envelope is. Are the limits in the plans information? The new owner might have that.
Thanks.

Bert Shivers
Former Tandem Airbike owner
ASMEL, CFII, A&P