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That translation is quite garbled. And 'Combeprasse' is an obvious typo. Gliding activities took place on the slopes of the Puy de la Combegrasse near Clermont-Ferrand.My take would be:By inference, this Caux "hélicoptère" would have been an unpowered gyroglider of some kind. That would also help explain its extremely low weight. [1] Still, it would have been one of the smallest-ever manned helicopters - with a slightly smaller rotor diameter than the Rotorcycle and even shorter than the Hiller.Caux biplane glider: https://www.secretprojects.co.uk/threads/little-known-french-projects-and-prototypes.15821/page-15#post-485712__________________________________________________[1] For comparison, the Hiller Rotorcycle weighed 140 kg (309 lbs) empty. But the Rotorcycle was powered by a Nelson H-63C engine - which, complete with cooling fan and shroud, weighed 34 kg (76 lb). Perhaps with the H-63C and its fuel systems completely removed, the empty weight could be brought down almost to the level of the Caux design?
That translation is quite garbled. And 'Combeprasse' is an obvious typo. Gliding activities took place on the slopes of the Puy de la Combegrasse near Clermont-Ferrand.
My take would be:
By inference, this Caux "hélicoptère" would have been an unpowered gyroglider of some kind. That would also help explain its extremely low weight. [1] Still, it would have been one of the smallest-ever manned helicopters - with a slightly smaller rotor diameter than the Rotorcycle and even shorter than the Hiller.
Caux biplane glider: https://www.secretprojects.co.uk/threads/little-known-french-projects-and-prototypes.15821/page-15#post-485712
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[1] For comparison, the Hiller Rotorcycle weighed 140 kg (309 lbs) empty. But the Rotorcycle was powered by a Nelson H-63C engine - which, complete with cooling fan and shroud, weighed 34 kg (76 lb). Perhaps with the H-63C and its fuel systems completely removed, the empty weight could be brought down almost to the level of the Caux design?
