File:Sikorsky R-6 Doman Conversion (2834547157).jpg
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| Description | Sikorsky R-6 Doman Conversion - The 3 bladed rotor, with flapping and lead-lag hinges and lag dampers was replaced by a hinge less rotor. This soft-in-plane, hinge less rotor is driven by a constant-velocity universal joint making it free to tilt relative to the fuselage without causing any stress or vibratory effects. Blades are so well balanced that finger-tip control forces were enjoyed without any servos. Mechanical push-pull cyclic controls were replaced by two push-pull hydraulic systems, one for normal cyclic and one for cyclic trim. The soft-in-plane, hinge less rotor concept was adopted by many designers about 40 years later. |
| Date | |
| Source | Sikorsky R-6 Doman Conversion |
| Author | Cliff from I now live in Arlington, VA (Outside Washington DC), USA |
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This image, originally posted to Flickr, was reviewed on February 18, 2009 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:31, 18 February 2009 | | 1,280 × 853 (291 KB) | File Upload Bot (Magnus Manske) (talk | contribs) | {{Information |Description= The 3 bladed rotor, with flapping and lead-lag hinges and lag dampers was replaced by a hinge less rotor. This soft-in-plane, hinge less rotor is driven by a constant-velocity universal joint making it free to tilt relative to |
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