Well, here is what my on-line catalog says:Aircraft Spruce Catalog lists source for plans and tech support for Acro Sport
Acrosport Designed by Paul Poberezny as a successor to the EAA Biplane, the Acro Sport offers performance and excellent aerobatic capability in the Sportsman and intermediate categories.www.aircraftspruce.com
The phone number for Acro Sport is (was?) the number in post #2.Info packs are $10.50 and complete plans are $125.00.
Acro Sport Inc.,
Box 462, Hales Corners,