Piasecki
is first in the advancement
of
vertical air lift technology |
| EVENT |
MODEL |
YEAR |
| Dynamically balanced rotor
blades |
PV-2 |
1943 |
| Tandem rotor helicopter |
XHRP-X |
1945 |
| Log-lifting by helicopter |
XHRP-X |
1946 |
| Overlapped tandem rotor
helicopter |
XHJP-1 |
1948 |
| Automatic control
"hands-off" helicopter |
HUP-1 |
1950 |
| Mine sweeping by helicopter |
HRP-1 |
1952 |
| World's record for
helicopter altitude (22,110 ft) and speed (147 mph) |
H-21 |
1953 |
| Transport helicopter
(roll-in/roll-out loading capability) |
YH-16 |
1953 |
| World's largest helicopter |
YH-16 |
1953 |
| First twin turbine
helicopter |
YH-16A |
1955 |
| First non-stop
transcontinental helicopter flight |
H-21 |
1956 |
| World's record for
helicopter speed (166 mph) |
YH-16A |
1956 |
| Unmanned VTOL drone
"Sea-Bat" |
PA-4 |
1958 |
| Aerial Jeep VTOL
"Airgeep" |
PA-59K,
VZ-8P |
1958 |
| Water based VTOL
"Seageep" |
PA-59N |
1961 |
| VTOL with powered ground
mobility "Airgeep II" |
PA-59H |
1962 |
| Shaft driven
"Ring-tail" compound helicopter |
16H-1 |
1962 |
| Compound helicopter
exceeding 225 mph |
16H-1A |
1965 |
| Heavy vertical air lift
hybrid buoyant aircraft "Helistat" |
97-34J |
1986 |
