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The Hiller YH-32 Hornet (company designation HJ-1) is an American ultralight helicopter built by Hiller Aircraft in the early 1950s. It was a small and unique design because it was powered by two Hiller 8RJ2B ramjet engines mounted on the rotor blade tips which weigh 13 lb (5.9 kg) each and deliver an equivalent of 45 hp (34 kW) for a total of 90 hp (67 kW). [3]
The Hiller Hornet was one of the first tip-jet–powered aircraft. Tip jet of a SNCASO Djinn. A tip jet is a jet nozzle at the tip of some helicopter rotor blades, used to spin the rotor, much like a Catherine wheel firework. [1]
Hiller Aircraft Company is an American private aerospace company, ... Hiller YH-32 Hornet: 1950 18 Tip Ramjet engine helicopter Hiller VZ-1 Pawnee: 1955 6
For these two reasons the Army found the pulse jet helicopters unsuitable as it had those with ramjets. Finally, cost considerations forced the cancellation of the program. The replacement of the XH-26's pulse jets with ramjets was suggested but never undertaken; however, the Hiller YH-32 Hornet helicopter was built using blade tip ramjets. [3]
There are several examples of tip jet powered rotorcraft. The Percival P.74 was under-powered and could not fly. The Hiller YH-32 Hornet had good lifting capability but performed poorly otherwise. Other aircraft used auxiliary thrust for translational flight so that the tip jets could be shut down while the rotor autorotated.
Category: Hiller aircraft. 4 languages. ... Hiller YH-32 Hornet This page was last edited on 30 October 2023, at 20:04 (UTC). Text is available under the ...
Hiller Aircraft Corporation. Hiller HJ-1/YH-32; Hiller ROE Rotorcycle; Hiller Ten99; Hiller UH-12/OH-23; ... Midwest Hornet; Midwest Zodiac Talon-Turbine;
The Gluhareff Pressure Jet (or tip jet) is a type of jet engine that, like a valveless pulse jet, has no moving parts. It was invented by Eugene Michael Gluhareff , a Russian-American [ 1 ] engineer who envisioned it as a power plant for personal helicopters and compact aircraft such as microlights .