Pegna-Bonmartini Rondine

[1][2] Probably inspired by the success of entrants to the Lympne ultra-light aeroplane trials, Signore Pegna designed the Rondine to take advantage of small low-powered light weight engines available at the time.

The single piece two-spar wings are of low aspect ratio and relatively thick so external bracing is unnecessary.

[1][2] Several powerplants were tested with poor results until the 404 cc (24.65 cu in) ABC 8 hp, used successfully in other contemporary ultra-light aircraft, fitted with a 3:1 reduction gear, was found to be satisfactory.

[1][2] Accommodation for the pilot is in an open cockpit, set at mid chord, with padded edges, protected from the slipstream by a three-piece windscreen.

However, the limited power of the engine installed and the small potential market for this type of light aeroplane, meant it abandonment.