Payload : 4 persons, 600 lb (272 kg) average. 750 lb (340 kg) max. 5 persons, 1000 lb (454 kg) gross overload.
Forward Speed: 35 mph (56 km/hr) maximum recommended cruise.
30-40 mph (48 to 64 km/hr) land, short grass.
30-45 mph (48 to 72 km/hr) mudflat, beach.
45 mph (72 km/hr) calm water.
40-50 mph (64-80 km/hr) smooth ice.
30-45 mph (48-72 km/hr) firm snow.
Reverse Speed : 25 mph (40 km/hr) calm water. (Deluxe Only)
Hump: 6 sec, to reach 5 mph (9.7 km/hr) over calm water, with 400 lb (181 kg) payload.
Range-Endurance: 81 miles (130 km), 3.25 hours on single tank13 US gal (49 l).
Static Thrust: 140 lb (64 kg) 55 hp engine
160 lb (73 kg) 65 hp engine
Engine : Hirth model 2703, Hirth 521 cc, 55 hp (41 kw) @ 6200 rpm
2-cycle 2-cylinder, air cooled, electric and manual start, aluminum engine, weight 82 lb (37.3 kg).
Spark plug, gap 0.022 in (0.55 mm). Maximum cylinder head temperature at spark plug 535° F (277°C),
EGT 1300° F (704° C).
Transmission 34-tooth and 72-tooth hard anodized aluminum HTD sprockets on engine and fan shaft,
joined by Carbon Fiber HTD Belt. Fan shaft bearings – 1 in (25.4 mm) bore pillow block Sealmaster and 1
in (25.4 mm) Asahi.
Fuel Consumption:
3.5 US gal/hr (13.3 l/hr) at cruising power.