R-4 (first mass-produced helicopter, 1942)
GPTKB entity
Statements (29)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:helicopter
|
| gptkbp:alsoKnownAs |
gptkb:Sikorsky_HNS-1
gptkb:Sikorsky_Hoverfly_I gptkb:Sikorsky_XR-4 |
| gptkbp:crew |
2
|
| gptkbp:designer |
gptkb:Igor_Sikorsky
|
| gptkbp:enginePower |
200 hp
|
| gptkbp:engineType |
gptkb:Warner_R-550-3_Super_Scarab_radial_engine
|
| gptkbp:firstFlight |
14 January 1942
|
| gptkbp:height |
12 ft 5 in
|
| https://www.w3.org/2000/01/rdf-schema#label |
R-4 (first mass-produced helicopter, 1942)
|
| gptkbp:introduced |
1942
|
| gptkbp:length |
33 ft 4 in
|
| gptkbp:mainRotorDiameter |
38 ft
|
| gptkbp:manufacturer |
gptkb:Sikorsky_Aircraft
|
| gptkbp:maximumSpeed |
75 mph
|
| gptkbp:NATOReportingName |
Hoverfly
|
| gptkbp:notableFor |
first mass-produced helicopter
|
| gptkbp:numberBuilt |
131
|
| gptkbp:primaryUser |
gptkb:Royal_Air_Force
gptkb:United_States_Army_Air_Forces gptkb:United_States_Navy gptkb:aircraft |
| gptkbp:produced |
1942–1944
|
| gptkbp:range |
130 miles
|
| gptkbp:serviceCeiling |
8,000 ft
|
| gptkbp:usedIn |
gptkb:World_War_II
|
| gptkbp:bfsParent |
gptkb:Sikorsky_Aircraft
|
| gptkbp:bfsLayer |
6
|