
Blade FLUTTER - Rotary Wing Forum
2005年3月26日 · Flapwise flexibility but stiff in torsion. The large Sikorskys had an extruded “D” spar with the afterbody of the blade made up of individual segments about 18” long, bonded to the spar. The spar of the AH-64 Apache is made up of a series of Kevlar tubes that occupy the entire blade chord. Supposedly, survives against 20mm cannon fire.
UH 72, the Colonel Visits KCUB | Rotary Wing Forum
2020年10月25日 · with one of their pilots in my rear seat at the time, bombing the fields etc., and, again, too many birds to count), Apache (more so here in Soda City these days than down at Hunter previously), and a couple of old Cobras. Incidentally, flew abreast the "909" (B-17) maybe a hundred feet away, if that, before she sadly crashed and burned up.
Left Turn, Right Turn which is more stable at 60*
2003年11月16日 · The effect is hardly noticeable at low speeds and during gentle maneuvering but can be very pronounced at higher speeds and more aggressive applications of the cyclic. The UH-60 mixing unit probably tries to elimiate some of the torgue deviations, unfortunately in the AH-64 our mixing unit is not as complex and does not correct for this at all.
Russian Helicopter Industry | Rotary Wing Forum
2011年4月28日 · I read an article, today, that is very interesting. The article states, that the Russian government is buying up controlling interest in all of it's helicopter manufacturers in an attempt to modernize it's helicopter fleets. The government also announced that it would be retiring the Mi-24...