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unhappycamper (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 06:03 AM Original message |
Sikorsky: Ultra-fast helicopter in the works |
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Bucky (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 06:18 AM Response to Original message |
1. Must be a prototype. I don't see any rocket tubes on the sides. |
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denbot (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 06:25 AM Response to Original message |
2. Must be a concept proto type. |
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Sherman A1 (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 06:34 AM Response to Original message |
3. Interesting design |
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FLPanhandle (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 07:00 AM Response to Original message |
4. This is an old concept but has been difficult to achieve |
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TheMadMonk (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 07:49 AM Response to Reply #4 |
6. More than that. At high speed, the blade moving forward can easily... |
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FLPanhandle (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 07:58 AM Response to Reply #6 |
7. The blades wouldn't have to be locked necessarily |
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TheMadMonk (1000+ posts) Send PM | Profile | Ignore | Mon Apr-25-11 01:58 AM Response to Reply #7 |
17. At some point the lift generated by the rotors' forward motion will... |
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originalpckelly (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:29 AM Response to Reply #6 |
11. Actually, that happens all the time. |
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TheMadMonk (1000+ posts) Send PM | Profile | Ignore | Mon Apr-25-11 01:34 AM Response to Reply #11 |
16. What might be fine for the tip is not fine for ten feet of blade. /nt |
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jmowreader (1000+ posts) Send PM | Profile | Ignore | Mon Apr-25-11 04:00 PM Response to Reply #4 |
19. It hasn't been THAT difficult to achieve... |
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leveymg (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 07:02 AM Response to Original message |
5. Merger of pusher-type turboprop with conventional fast helicopter. Back to the future |
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unhappycamper (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:05 AM Response to Reply #5 |
8. Simple answer: $$$$$$$ n/t |
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leveymg (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 11:06 AM Response to Reply #8 |
15. Here's an article on flexible and variable span rotors you may find interesting |
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originalpckelly (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:28 AM Response to Reply #5 |
10. Gyrodyne's and what's been presented are different. |
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leveymg (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:35 AM Response to Reply #10 |
13. If the majority of thrust is produced by the tail prop, the main rotors won't need to spin so fast, |
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originalpckelly (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:19 AM Response to Original message |
9. I think this is a great thing... |
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leveymg (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:30 AM Response to Reply #9 |
12. Counter-rotating rotors are nothing new - 1957 Cessna Grasshopper |
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Motown_Johnny (1000+ posts) Send PM | Profile | Ignore | Sun Apr-24-11 08:41 AM Response to Reply #12 |
14. this one has a pusher, which I assume accounts for the acceleration |
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TheMadMonk (1000+ posts) Send PM | Profile | Ignore | Mon Apr-25-11 02:27 AM Response to Reply #14 |
18. Flown like a gyrocopter from a runway you could cram a fair load... |
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