Author Topic: H-Darreius wind turbines ( VAWT ) !  (Read 151315 times)

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topspeed

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #363 on: April 30, 2024, 01:31:57 AM »
New tower assemled once:





Surface of  the new moment arm....now.
« Last Edit: April 30, 2024, 01:46:12 AM by topspeed »
These wind turbines must for that reason in a deeper sense be of a timeless beauty, so that they do not in three or four decades hence burden a later generation with a heavy task of removing angular skeletons.....

Ulrich Hütter

Aerodynamics is highly educated guessing, worked out to 5 decimals

brandnewb

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #364 on: May 06, 2024, 06:42:58 AM »
I am really eager to keep following you topspeed.

On my end your post had only image place holders so I could not see the update :(

Probably because of my browser rightfully so being configured to be extra paranoid with leaking data.

For the admins this is one of the URL's that got blocked by my browser

https://scontent-arn2-1.xx.fbcdn.net/v/t39.30808-6/438082874_411354588458790_544059892346502777_n.jpg?_nc_cat=107&ccb=1-7&_nc_sid=5f2048&_nc_ohc=EQw1Wq9sVKgQ7kNvgEWRYkz&_nc_ht=scontent-arn2-1.xx&oh=00_AfA8b-G2hOmKfLjD6oI0pJc4Ev9FFdGk17rclmkCuzcXzg&oe=66364FC2

Btw Ulrich. I already found who to talk to to play ball with at the Bali customs agency :) hahaha

TechAdmin

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #365 on: May 06, 2024, 08:56:18 AM »
That's a facebook link and they got temporary signatures to show up, since Meta don't want us to use 1mb of their bandwidth and can't afford servers the image signature is scrambled every so often so people can't hotlink images off there.

@topspeed please put the actual images and don't hotlink off facebook image links, as it will only work for a couple of hours and then break itself, sadly not something I can do anything about :( You can rest assured that if you upload the images on our forum they won't go away instead (unless the server and the backups implode but we don't talk about that ;D ).

topspeed

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #366 on: May 09, 2024, 07:37:50 AM »
That's a facebook link and they got temporary signatures to show up, since Meta don't want us to use 1mb of their bandwidth and can't afford servers the image signature is scrambled every so often so people can't hotlink images off there.

@topspeed please put the actual images and don't hotlink off facebook image links, as it will only work for a couple of hours and then break itself, sadly not something I can do anything about :( You can rest assured that if you upload the images on our forum they won't go away instead (unless the server and the backups implode but we don't talk about that ;D ).

Do image system work now ?
These wind turbines must for that reason in a deeper sense be of a timeless beauty, so that they do not in three or four decades hence burden a later generation with a heavy task of removing angular skeletons.....

Ulrich Hütter

Aerodynamics is highly educated guessing, worked out to 5 decimals

JW

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #367 on: May 09, 2024, 09:27:49 PM »
were working on it

JW

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #368 on: May 09, 2024, 10:32:59 PM »
 our host had been set at PHP 7 SMF now its at 8.4 or something. they said well be changed to php 7.4

we need to have new forum software. SMF has become too old...

JW

TechAdmin

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topspeed

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #370 on: May 20, 2024, 04:47:24 AM »
My new electrical part of the test rig.

15934-0

15935-1

I have not been able to make the new blades yet. I have been able to find and correct several weak points in the old set up.
These wind turbines must for that reason in a deeper sense be of a timeless beauty, so that they do not in three or four decades hence burden a later generation with a heavy task of removing angular skeletons.....

Ulrich Hütter

Aerodynamics is highly educated guessing, worked out to 5 decimals

topspeed

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #371 on: May 22, 2024, 06:26:40 AM »
This displays the colors of the 2. prototype that has been been the most successful so far.

It has inside:

1. kill switch
2. main switch
3. rectifier
4. fuses
5. watt meter

15938-0
These wind turbines must for that reason in a deeper sense be of a timeless beauty, so that they do not in three or four decades hence burden a later generation with a heavy task of removing angular skeletons.....

Ulrich Hütter

Aerodynamics is highly educated guessing, worked out to 5 decimals

topspeed

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Re: H-Darreius wind turbines ( VAWT ) !
« Reply #372 on: May 26, 2024, 02:29:16 PM »
Wind vane added to study the cyclic current under the swept area.

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These wind turbines must for that reason in a deeper sense be of a timeless beauty, so that they do not in three or four decades hence burden a later generation with a heavy task of removing angular skeletons.....

Ulrich Hütter

Aerodynamics is highly educated guessing, worked out to 5 decimals