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Disaffected

(6,419 posts)
80. One of the big disadvantages of vertical turbines
Mon Jul 28, 2025, 04:36 PM
Jul 2025

is the blade fatigue stress that occurs each revolution as the blades go from tension while rotating with the wind to compression as they rotate back into the wind. I dunno, that could have been one of the factors that shut down the Tehachapi farm.

I was into wind turbine building myself - biggest was a 3 blade HWAT 13' in diameter driving a 3ph PM motor to alternator conversion.

Recommendations

1 members have recommended this reply (displayed in chronological order):

New Bladeless Wind Generators... [View all] electric_blue68 Jul 2025 OP
Except it produces piss poor power levels. Disaffected Jul 2025 #1
Well, maybe it can be improved. electric_blue68 Jul 2025 #6
physics doesn't work like that. NutmegYankee Jul 2025 #7
Seems to me the way you phrased this (re: it's efficiency) was a bit snooty. Poster Diaffected had a similar view but electric_blue68 Jul 2025 #19
snooty? NutmegYankee Jul 2025 #46
I didn't explain this clearly enough...it's Not about the lack of effeciency electric_blue68 Jul 2025 #52
Highly doubtful, Disaffected Jul 2025 #14
TY for the explaination. Too bad. I see what u say Omitting the power stats. electric_blue68 Jul 2025 #20
YW nt Disaffected Jul 2025 #23
Right Progressive dog Jul 2025 #13
I'm guessing the cost/Watt is pretty abysmal. Disaffected Jul 2025 #15
There've been backyard vertical windpower generators for years. No vibrating whip action but... brush Jul 2025 #36
Believe me you will get a lot more Disaffected Jul 2025 #43
I did mention they can be as high as you like, no limitation to height and the bird kill and maintence of huge blades. brush Jul 2025 #47
Yes but keep in mind that the power Disaffected Jul 2025 #49
Shielding from the wind wouldn't be a factor if the field is designed to space units from blocking each other. brush Jul 2025 #58
You said vertical blades "encased in a vertical metal cylinder". Disaffected Jul 2025 #60
I didn't say that. Another poster said that. I eant it would be a vertical clindder shapedstructure supported on four .. brush Jul 2025 #61
Huh?? Post #36 by Brush: Disaffected Jul 2025 #69
vertical cylinder was meant to be vertical structure. brush Jul 2025 #70
There were some vertical ones on a windfarm near Tehachapi in Caifornia. MineralMan Jul 2025 #76
One of the big disadvantages of vertical turbines Disaffected Jul 2025 #80
I did a few. MineralMan Jul 2025 #81
Interesting. Technology changing and this time for the environment Deuxcents Jul 2025 #2
Clever! And I do like the point that it can go in more places / more versatile. A nice fact too. SWBTATTReg Jul 2025 #3
Again, the Skybrator The Madcap Jul 2025 #9
It (the interwebs nickname) was mentioned in the article... electric_blue68 Jul 2025 #10
Sorry. I was referring to Post 4, below. The Madcap Jul 2025 #53
"Skybrator" mahatmakanejeeves Jul 2025 #4
It might depend on the person. 😄 electric_blue68 Jul 2025 #11
;-{) Goonch Jul 2025 #5
Well, besides the obvious, it looks somewhat like a metal Saguaro Cactus without arms electric_blue68 Jul 2025 #12
Cool! Paint em green and they become almost invisible in the SW. nt ihaveaquestion Jul 2025 #29
Aha! Been to the SW, but northern AZ desert. No saguaro. electric_blue68 Jul 2025 #32
Seen em in Tuscon and Flagstaff areas... I think they are found at certain elevations. ihaveaquestion Jul 2025 #51
Ah, Flagstaff. Interesting... electric_blue68 Jul 2025 #56
I know what that is Maru Kitteh Jul 2025 #17
Ha! Could be. electric_blue68 Jul 2025 #21
But not nearly as useful, Disaffected Jul 2025 #45
Looks like a Bezos rocket sort of... The Madcap Jul 2025 #8
Cool. Vertical turbines are not new. mahina Jul 2025 #16
Ty. It Is the first I'd ever heard of them! And I've paid attention to Renewable Energies since the mid 80's. electric_blue68 Jul 2025 #22
Re: wind TnDem Jul 2025 #18
Got it, both the bladeless, and typical kinds electric_blue68 Jul 2025 #24
I believe TnDem Jul 2025 #27
What's the carbon footprint of a wind turbine? CentralMass Jul 2025 #31
It's BS, read the article TnDem Jul 2025 #37
Ohhh, well...not good for any secondary usage. electric_blue68 Jul 2025 #34
New recyclable materials are being researched and are becoming available. CentralMass Jul 2025 #30
That'd be an improvement! Ty electric_blue68 Jul 2025 #35
Recycling of plastic TnDem Jul 2025 #48
Stick with fossil fuels then. I'm sure burning oil and natural gas is much better. CentralMass Jul 2025 #54
Thank you. I don't understand why some are so against wind turbines. thought crime Jul 2025 #67
Agreed ProfessorGAC Jul 2025 #77
RecyclableBlade Pioneering Technology CentralMass Jul 2025 #50
Wind farms offset their carbon footprint in 2 years of operation NickB79 Jul 2025 #62
Incorrect TnDem Jul 2025 #63
No, the carbon payback is pretty quick. thought crime Jul 2025 #68
Might there be any renewable power generation method that you would approve of? mahina Jul 2025 #72
Hydro TnDem Jul 2025 #73
True, but it is facing real problems as rainfall declines. mahina Jul 2025 #74
No objections TnDem Jul 2025 #78
I don't disagree but compared to what? mahina Jul 2025 #82
Fossil fuels are cheaper, but they emit obvious carbon TnDem Jul 2025 #79
A welcome innovation... ancianita Jul 2025 #25
! LudwigPastorius Jul 2025 #65
I work in this industry, live among the wind turbines and in a major migratory route for birds between Canada and SA. Sogo Jul 2025 #26
Ty for info. As NYC'r I do know about tall buildings w mirrored windows, and bird problems. electric_blue68 Jul 2025 #38
LINK: progree Jul 2025 #28
From the headline, I expected to see a cartoon of trump. n/t spike jones Jul 2025 #33
Heh...i was going to make a comment about turning his comments ie hot air into energy...at least he'd be useful electric_blue68 Jul 2025 #39
There are plenty of them out there. spike jones Jul 2025 #44
So it looks like a big vibrator standing Figarosmom Jul 2025 #40
I think they're rather rarher lovely but u can see problem pointed out... electric_blue68 Jul 2025 #42
It's rather a shame that this sort of thing is taken seriously. NNadir Jul 2025 #41
Thank you for this welcome dose of Reality. ancianita Jul 2025 #71
Just did a Google image search. I can see the jokes flooding in!! :-) nt LAS14 Jul 2025 #55
No kidding! electric_blue68 Jul 2025 #57
Innovation in the wind industry is incredible. thought crime Jul 2025 #59
Yes, and TnDem Jul 2025 #64
I think your information is incorrect, at least for offshore wind turbines. thought crime Jul 2025 #66
5 months payback I think... mahina Jul 2025 #83
Nice Scott Alan Swaggerty Jul 2025 #75
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