If Louis Charles Breguet, De La Cierva, Sikorski, and the other folk who dreamed up helicopters could see how modern heli's can fly...
I bet it is all they had dreamed of?
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| Imagine.... http://skywolverines.com/viewtopic.php?f=6&t=5380 |
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| Author: | MadMuz [ Mon Jun 25, 2018 9:27 pm ] |
| Post subject: | Imagine.... |
If Louis Charles Breguet, De La Cierva, Sikorski, and the other folk who dreamed up helicopters could see how modern heli's can fly... I bet it is all they had dreamed of?
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| Author: | rcflier [ Tue Jun 26, 2018 1:02 am ] |
| Post subject: | Re: Imagine.... |
Very, very impressive. He really knows his sh*t. He does all these maneuvers without entering the realm of negative g's. He uses the flight envelope to the fullest. RESPECT! Cheers Erik (who fly a R/C 600 class chopper) |
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| Author: | MadMuz [ Tue Jun 26, 2018 7:14 am ] |
| Post subject: | Re: Imagine.... |
So true Erik.... I like when he pours a glass of water while doing loops and rolls...   I would like to see him do this tho.... that would be cool  
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| Author: | elwood [ Tue Jun 26, 2018 10:22 am ] |
| Post subject: | Re: Imagine.... |
Its the bulletproof mustache. |
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| Author: | gyrocfi [ Tue Jun 26, 2018 1:15 pm ] |
| Post subject: | Re: Imagine.... |
Heck, I did half those maneuvers on my first lesson in an R-22... thought John Potter was going to crap himself... LOL |
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| Author: | Henry Bowman [ Thu Jun 28, 2018 10:42 pm ] |
| Post subject: | Re: Imagine.... |
Question: I was told that the reason he can do those maneuvers has something to do with a solid rotor head or something mechanical. In layman's terms, what is the difference between what he is flying and say a Bell Jet Ranger? Are these just skilled stunts and the helicopter makes no difference? If it is a mechanical thing, what if any are the trade offs? |
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| Author: | Hillberg [ Thu Jun 28, 2018 11:35 pm ] |
| Post subject: | Re: Imagine.... |
a ridged rotor on any helicopter will do these aerobatics [MBB 105 117 145 etc.] An articulated rotor will do loops rolls split s aerobatics [Sikorsky Hughes etc.] A simi articulated will do loops rolls split s aerobatics [Brantley] A simi ridged will do loops [Kaman 225] A simi ridged under slung unloaded will kill you. [bell, Hiller. Robinson etc.] A simi ridged under slung with force spring elasimeric trunion will do loops rolls and split s [Bell 222] Newer stuff not listed |
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| Author: | Henry Bowman [ Fri Jun 29, 2018 12:25 am ] |
| Post subject: | Re: Imagine.... |
So, Sir Hilly, is the benefit, trade off between the rotor heads? I one for lifting and one for forwqrd speed? Or is that too simplistic...is it $$$? |
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| Author: | Hillberg [ Fri Jun 29, 2018 1:05 am ] |
| Post subject: | Re: Imagine.... |
lots of $$$$$$$$$$$$$$$ 
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| Author: | elwood [ Fri Jun 29, 2018 5:27 am ] |
| Post subject: | Re: Imagine.... |
Hey you are luck Benry, there is a BO-105 rotor head on Ebay right now! https://www.ebay.com/i/232334354317?chn=ps |
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| Author: | Henry Bowman [ Fri Jun 29, 2018 5:55 am ] |
| Post subject: | Re: Imagine.... |
Ooo....click...I got it...its coming to me soon:) |
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| Author: | MadMuz [ Sat Jun 30, 2018 8:35 am ] |
| Post subject: | Re: Imagine.... |
$30K with 600 hours left.... Bargain!
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| Author: | Arnie M. [ Sat Jun 30, 2018 7:24 pm ] |
| Post subject: | Re: Imagine.... |
. (From memory .... in one of my books ) ..... Igor Sikorsky either witnessed or watched the film of the first helicopter to do a loop .... it was a S52 and over the factory parking lot at the Connecticut factory. He said something like .... veee vill nott do datt again ...... he was mostly worried the piston engine might quit when inverted. Sikorsky also was the first to mount a camera on a rotor hub to film the flexing of the blades in flight .... kinda scary to watch how much the blade whips up and down with cyclic pitch ..... and those were dope and fabric blades .... Igor said a bunch of pilots and engineers walked out after watching the film and refused to ever set foot in a helicopter again. |
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| Author: | Arnie M. [ Sun Jul 08, 2018 1:59 pm ] |
| Post subject: | Re: Imagine.... |
. Here is the video of the first loop in a helicopter ...... Sikorsky S-52 powered by a 245 hp Franklin engine ...... . |
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| Author: | JAKE! [ Sun Jul 08, 2018 2:10 pm ] |
| Post subject: | Re: Imagine.... |
He did a few wing overs before the loop, feeling it out. That had to be a rush !! |
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