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Forum Index : Windmills : Oil Cool Phill’sTurbine

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dwyer
Guru

Joined: 19/09/2005
Location: Australia
Posts: 574
Posted: 01:22pm 05 Feb 2011
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Hi Member
Last year i brought a Phill Wind turbine and done a lot of modifications over the last few months including adding a 7metre long 75x75 RHS which has been lying on the ground for several years now. The tower is 13 metres high fitting with 6 guy cables and has been painted like army camouflage so my brown-nose local council dept wont see the tower i hope.
Changes have been made to the tail and pivot by welding bronze and machining into bronze shaft plus adding two “O” rings to keep the grease inside of the pivot shaft.
Stater had a lovely bath of varnish paint done by an electric motor repairer and the blades which all had plastics fittings were thrown into the bin so i used my handmade 3mm alloy plate with longer self-taped screw and glue and large head pop rivets except using top plumbing cap can be brought from local hardware. I replaced the Japanese made bearings plus added 250 ml of special oil to assist the copper wiring heating transfer to stater housing less damage to copper wiring. The oil was inside the stater for nearly 3 months. There has been no fails or damage and got wind turbine up after waiting for the rain to stop since November until after the Murphy’s Creek Flood. However, I am not happy with the top pole of the tower which is 1.2 metres with a diameter of 50 mm tube becomes too flexible at high winds so i have to replace it with a 60 mm heavy wall tube next week.
I have attached a number of photos for you’s you want to view my windmill


Regard Dwyer


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Gizmo

Admin Group

Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 10:44pm 05 Feb 2011
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Wow Ian, very nice work!

I've never heard of a oil cooled domestic wind turbine before, but I think in this case its a good idea. The alternators are enclosed and sealed, so the oil should stay in there, and it will run much cooler.

Keep us posted on how it goes.

Glenn
The best time to plant a tree was twenty years ago, the second best time is right now.
JAQ
 
fillm

Guru

Joined: 10/02/2007
Location: Australia
Posts: 730
Posted: 10:50pm 05 Feb 2011
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Hi Ian,

Nice work, putting it up the extra height into the wind, it will make a big difference and the camo pole looks great.

I see you kept with your idea of using special auto transmision oil to cool if needed , I would think it would add extra drag between the magnets and stator fingers, but time will tell.

The Alu winglet end caps look good ,I don't konw if they will extract any extra watts from the wind but they should make balancing easier.

Anyway its up and producing power that is the main thing , and hopfully the rain will give us a break . Hope you and your famly were OK out there, as you must be fairly close to Murphys Ck .

Look forward to more pics and output data of your version of the 500w Kit
PhillM ...Oz Wind Engineering..Wind Turbine Kits 500W - 5000W ~ F&P Dual Kits ~ GOE222Blades- Voltage Control Parts ------- Tower kits
 
VK4AYQ
Guru

Joined: 02/12/2009
Location: Australia
Posts: 2539
Posted: 11:21pm 05 Feb 2011
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Hi Ian

Looks really neat will be interested to see how the oil goes in the machine, nice job on the blade ends as well.

I had the same problem with the pipe but what I did was to weld the attach points for the guy cables to just slightly above the blade swing so there isnt so much overhang on the pipe all good so far, but yours is 1.5 meters higher than mine.

All the best

Bob
Foolin Around
 
VK4AYQ
Guru

Joined: 02/12/2009
Location: Australia
Posts: 2539
Posted: 01:06am 06 Feb 2011
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Hi ian

Just a couple of photos of the guy position that shortens the bending moment on the top pipe.



Prior to getting the furling going it did bow a bit but now it has withstood several storms without problems, blade dia 2.8 meter.

All the best

Bob
Foolin Around
 
MacGyver

Guru

Joined: 12/05/2009
Location: United States
Posts: 1329
Posted: 04:23am 09 Feb 2011
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Ian

Excellent craftsmanship; it looks like a professionally-built, commercial unit. Good job!


. . . . . Mac
Nothing difficult is ever easy!
Perhaps better stated in the words of Morgan Freeman,
"Where there is no struggle, there is no progress!"
Copeville, Texas
 
dwyer
Guru

Joined: 19/09/2005
Location: Australia
Posts: 574
Posted: 07:51am 09 Feb 2011
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Hey all

I'll post some more photos soon and I’m very happy to hear that you's all like my windmill toy. I put a lot of hard work on it on my lathe to do the testing on the stator running on heavy load around 400 to 700 watts for hours before stator got hot enough to put my hands on however soon i pulled the stator cover off found out those copper wire inside was ever much hotter and the heat had no where to delepet and thats the reason i add small mount approx 200 ml special auto electronic transmission oil so heat can transfers to the housing as extra benefit in cooling the coil down without burning the enamels off. theres no torque affect all same with neo manget’s glue after sitting in the shed waiting for rain to stop since November last year.Anyway windmill will be up running next week


Dwyer the bushman
 
Jarbar
Senior Member

Joined: 03/02/2008
Location: Australia
Posts: 224
Posted: 08:43am 10 Feb 2011
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Ian,

I like your idea of using oil inside generator.The unit I have developed rust from condensation,which after dismantling cleaning and resealing covers has again seized up.The cooling holes suggested by Philm,I thought would only increase the problem.

What type of oil have you used,and how much for the gold plating.

Anthony.
"Creativity is detirmined by the way you hold your tounge".My Father
"Your generation will have to correct the problems made by mine".My Grandfather.
 
VK4AYQ
Guru

Joined: 02/12/2009
Location: Australia
Posts: 2539
Posted: 09:29am 10 Feb 2011
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Hi Anthony

I have mine fitted with holes and it went through all the big wet 24 inches + we had here in SE Queensland over three weeks without any trouble. It is coated inside with Hi temp enamel paint and a liberal greasing of the poles magnets and windings before I put it up.

I did re machine the stator as it was a bit out of round, so that gave it a bit more clearance.

All the best

Bob
Foolin Around
 
dwyer
Guru

Joined: 19/09/2005
Location: Australia
Posts: 574
Posted: 12:07pm 15 Feb 2011
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Hi Anthony
The oil is same as your ford if has auto tranny Castrol TQ95 and gold plate from from my ex wife wedding ring

Regard Dwyer
 
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