Don Brock's Acro Sport
The Acro Sport is a single place aerobatic biplane and was designed by Paul Poberezney in 1972. The Acro Sport is a plans built airplane constructed of 4130 steel tubing, wood and fabric. The cockpit was designed to accept pilots up to six foot five and 240 lbs. It is very comfortable for a small biplane. The wings are straight instead of swept back and are constructed with wooden spars and truss-type wooden ribs. The wings use an M-6 airfoil, the same as was used on the early single-place Pitts. I will be using a 180 hp Lycoming O-360 with a wooden prop. The empty weight should be around 850 lbs. and I feel the performance will be very satisfactory. I will be using the strong arm starter because this airplane will not have an electrical system. The Acro Sport was designed to be an open cockpit biplane but I preferred flying all year round if possible, so a canopy will be installed. This type of project requires that you learn several different kinds of construction methods but is very rewarding as each little phase of construction is finished.

Don Brock
3910 Boothill Circle
West Valley, Utah  84120

801-968-1509

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