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-10- [[underline]] Gross Weight [[underline]] 2600 lbs. 2800 lbs. 3000 lbs. [[underline]] Sea Level to 5000 feet [[underline]] 3 minutes 37 seconds 4 minutes 3 seconds 4 minutes 31 seconds [[underline]] Sea Level to 10,000 feet [[underline]] 7 minutes 36 seconds 8 minutes 27 seconds 9 minutes 27 seconds. The following range and endurance figures are typical for the CH-1, based on the normal fuel capacity of 60 gallons: 2600lbs. 3000lbs. 290 mi. 270 mi. 3.8 hrs. 3.7 hrs. Range at cruisng speed Flight endurance-minimum power It is the firm belief of those familiar with the CH-1 that this aircraft offers a new standard utilization as a result of its outstanding performance and simplicity. CESSNA CH-1 HELICOPTER Specifications POWER PLANT Engine: Continental FSO-470-A 260 hp @ 3,000 rpm to (Net hp after cooling) 10,000ft. Power loading (total hp/gross weight) 10.2 lb/hp. PERFORMANCE Maximum speed @ sea level 122 mph Cruising speeds 100-120 mph Rate of climb @ sea level (maximum gross weight) 1,150 ft/min Time to climb from sea level to 10,000 ft @: 2,600 lbs gross weight 7 minutes 36 seconds 2,800 lbs gross weight 8 minutes 27 seconds 3,000 lbs gross weight 9 minutes 27 seconds Hovering ceiling @ maximum gross weight 11,000 ft Hovering ceiling @ maximum gross weight @ 95f 8,000 ft Hovering ceiling @ 2600 lbs over 15,000 ft Range 290 miles Endurance 3.8 hours WEIGHTS Maximum gross weight 3,000 lbs Empty weight 1,975 lbs Useful load 1, 025 lbs Fuel tank capacity ( 360 lbs ) - 60 gallons DIMENSIONAL DATA Lifting Rator ( metal construction) Diameter 35 ft Number of blades 2 Blade chord 13 in Disc loading 3.12 lb/sq ft Tail Rotor (metal construction) Diameter 7 ft Number of blades 2