Fieldlines.com: The Otherpower discussion board

Ok, everyone knows a VAWT is hard design and cant even get near what a HWAT produces.

This user is making a first attempt at it.

As for the turbines, I prefer the VAWT to the HAWT because I find the slower rotational speed to be less intrusive if it's within sight of the house.

I am hoping to get mine flying this summer and see how she performs. At that time I would be happy to tell you my experience and things I would change or do different right away.
 These guys are right, if you want a vawt, plan on it being bigger then a hawt. I thought I could squeeze my stator down to 14in and ended up a full 2in above that. It may not sound like much, but that pushes my mag plates out to 17in min 18 might be better, depending on thickness of steel. When you start adding inches to big chunks off spinning steel, you need to think about that, if for no other reason, weight on bearings and balancing. So a vawt can get bigger on you in a hurry.

I posted this showing the difficulty with running a VAWT.

for what purpose? this is a dead thread that OP made all of 1 or 2 posts on.

Friends,

This is just me being miserable.

Let me find the most correct words to say what need to be said. And even now I am sure I will screw this up.

In essence.

I think this is the best place to share knowledge.

In practice:
I get my feathers ruffled at times as there are respected players here that know soo much more than I ever will yet leave me hanging.
Now that introduces my pride mechanism.
I do not care about being wrong at times. that does not influence my pride.

All I'd lie to make knows is that I care about this forum and that I am willing to stick my neck out to make it thrive again.

With no strings attached other than that the one holding the strings is one I feel confident in.

Now I will go into hibernation here. As I do not wish to fuffle feathers just for the fuffle.

We will meet again in the future and I will still love you.

Remember in where I had in mind this meeting in person? In where I will shake your hand and give this nod of respect?

kind regards

New tower assemled once:





Surface of  the new moment arm....now.

Flavio we have like 5 admins give them a chance to reply.

Finally Got a 3" ball valve installed and got some foam pigs to 'pig' the pipe. It went through without and problems, amazing amount of peaty mud came out, so much I was stood in a pool of it at the end. The foam pigs I got really are just sofa foam an inch wider than the pipe bore, so will be making my own when these 2 wear out. 

Not sure of the wind loading ability, a wheel experiences heavy side loading as well, they're conical. a proper slew drive bearing has both thrust and side angular geometry. the downward force isn't the largest concern as it is the off set side forces with wind and drive system.

The most ideal thing would be a proper slewdrive unit!

Don't know the size of your support mast for the panels but if you put a flat plate on your bottom tube one of these would last many years. Already weather sealed... I have used the next size down(2" mast) to support really heavy antenna loads...

https://www.dxengineering.com/parts/dxe-tb400

All ways good to have options, I need to do a total remake of the top half, I was going to use a vehicle hub was my idea

Aligning up and clamping things down inside and testing it all for free easy movement







It worked great so now to get it on the mast









Now I need to get all the wiring cleaned up and secured, and make some weather protection.

Next main project is making a proper bearing and rotor system and fixing the chain alignment (It is as bad as it looks).

I'd like to get it to the point I can put 1 Kw on it.

A new chapter 8 has been added to report KD 758 at 27-4-2024. The title of this new chapter is: "Checking of the head geometry".

bump

https://www.fieldlines.com/index.php/topic,146204.msg999075.html#msg999075

You will stay muted for a few days, I did warn you. The positive side is you can take some time off and gather your thoughts instead of continuously ramble.

I also expected you to take the hint but alas...

ok gang, I have a confession to make.

It is going to take too long and argue...

hahha nah gang

Let us liven up the mood.

Truth be told that I am a little ready to rock the foundations when it needs to be.

Yet never let it be said that I am not willing to help { argg screw this. mu auto correct cant help me convey what it is I want to}

Now that said.

-----------------------

I have some interesting news to share.

#2
ok I have one for us. One that does strike home.

Now I can demonstrate that the benefit of an iron core is directly related to the amount of resistance there is in the whole coil.

Weird yes? yes for me also. So it might well be that I could be mistaken.


Yet I do not think I am.


Can one pealse challenge me on this?

How to conduct proper experiments with the tools I have.




Now if you are going to hide behind not knowing the tools I have then I say 2 things.

* hey great you are new to the party. let us get you up to speed.
* ahh see how I just saw through your actual intend?

And then there a 3rd one. Just a misunderstanding that so many of us fall into this category.

#3
and I hate to have to spell it out. It are the people that do not with...


argg. screww this


Come on Joe And Ed. show some Chest.!!


#4
#now this was not in invitation to flame wars.

how could it have been since I am also a respected smart person.

This is however just one smart guy to another. come one lets get it on within the boundary that are set here.

It could lead of course to a misunderstanding in where I thought more than that there was. .
Ok I will go lick my wounds and now I have to deal with the even lower social standing I had to begin with.


---


the more senior amongst us of course will read things contrary.

Apparently my drill press is garbage!









luckily 2 stayed true so it all aligned in the end but I do not like missing two fasteners! But thankfully plenty more material to try again with a better template and drill press.

Counter sinking turned out perfect.

Well after much finagling I am going to have to mount the gear motor with flush counter sunk bolts so need to rethink my adapter plate

So 1/4" Aluminium plate it will be with 5/16 SS counter sunk flat bolts

Cardboard is cheap for prototyping with!



got lucky and found the mechanical drawing for the slide out motor. Assisted greatly in helping to make it with a much more precise centre! So ideally the shaft alignment will be very tight.

But the thicker adapter plate may create a head ache depth wise.

Im down in Florida and my vehicle is in the shop, so its fate.

Well after a couple blown PWM modules, a burned relay board I figured time to fix the azimuth drive properly

So far the main motor been an old rv slide out unit, 10 RPM at 840 inch pounds, this then went to a 2 to 1 further reduction, so 5 RPM

(5rpm / 60) * 360 = 30 degrees per second, needles to say horribly fast, stresses the frame and the motor.

So I finally got a 40:1 worm drive. So made a simple shaft coupler system and ruffing out an adapter plate.

Had to take the motor apart and clean it up.





So this will end up with 10rpm / 42 = (0.24rpm / 60) * 360 = 1.44 Degrees per second way way better!

So sun moves 7.5 degrees per 30m (I have it set to adjust every 30m to save wear on the motor) means now unit will run for 5.21 seconds, means much better wear pattern on the brushes and happier motor rather then massive 1 second surges!

Ideally now my psu and drive motor will be much longer lived and no more weird burn outs!

Next stage is to fabricate an adapter plate to mount on the bell housing, this will be 6" by 7" by 1/4" aluminium. will post an update once that is made and some picks of it when mounted back to the array and see if this will let me post a video of it in action.

Wish I was in Pennsylvania.

Yes Mam,

Mary I think you already can trust I love you.

Now hold on to your buttocks everyone because this is going to be an earth shaker.

82 watts!! power potential in a mere 5 x 0.4 mm lits wired coil at a 35-70-35 configuration.

It was Mary that did nudge me to try out the wire in hand stuff of which I never found anything. But it did lead me to the Litz concept.

But shall I be honest? Why is Litz a thing? I mean running wires in parallel has been before us since when these scientific ideas were formed yes?

82 watt!!  I hope I am not mistaken.

ok then unless Ed and Joe will reconsider their stance on letting me hang or actually helping me  I will just for now wait until better minds come with better suggestions I can not know when I will erupt again but please trust that my lava is always reasonabl

Now dear TechAdmin. I think you trust that I hold you high to that is why I made my choices.

a while back I suggested starting a daily post in word pad or other editor.

That way as you go thru the day you can add to and edit it and post on coherent response...

As is what we see is disjointed rambling that does NOT tell a story

ok then unless Ed and Joe will reconsider their stance on letting me hang or actually helping me  I will just for now wait until better minds come with better suggestions I can not know when I will erupt again but please trust that my lava is always reasonabl

Now dear TechAdmin. I think you trust that I hold you high to that is why I made my choices.

I am not sure how to respond.

I though that activity was a good thing

And if there was too much of activity then it would be a simple tweak to the software,

I will give some pseudo code

If  source of message == source of message  && ( timedetalawithlastmessage)

I mean if I am able to drown out the stuff here while I have so many important things to add then let us us really figure out how to solve it.

I have always known that this simple machine software 3was a bit too simple. I am ready to help