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  1. #1
    Join Date
    Jul 2008
    Location
    Uruguay, small pacific country with south Altantic coasts, 3 million friendly people population.
    Posts
    91

    Default My tallest welding project ever.

    Just wanted to share my latest and tallest welding project. I made and installed this tower for my father´s farm wind turbine. I is 49 feet tall and has a square section of 16 inches. Weight is 400 pounds aprox. I built it with my CST 280 using 1/10" dia 7018 rod. Mains are 1" 1/8 steel angle and the cross memebers 5/8" angle. I supports a wind turbine of 0.4 kw peak power that feeds a 12 volt DC system. This week end with a 10 to 15 mph wind the system charged the batteries at 18 to 25 amps rate, not bad!

    Hope you all like it.

    Regards:

    Jerónimo.
    Attached Images Attached Images

  2. #2
    Join Date
    Oct 2007
    Location
    Cave Creek Az
    Posts
    969

    Default

    Very nice! Do you have anymore info on the generator portion of it? I would be very interested to see some pictures and hear some details of what you used as I am looking to do something similar on my weekend cabin.

  3. #3
    Join Date
    Jul 2008
    Location
    Uruguay, small pacific country with south Altantic coasts, 3 million friendly people population.
    Posts
    91

    Default

    Quote Originally Posted by walker View Post
    Very nice! Do you have anymore info on the generator portion of it? I would be very interested to see some pictures and hear some details of what you used as I am looking to do something similar on my weekend cabin.
    Thank´s walker! The generator is a triphasic brushless type. It has permanent magnets on the rotor and a triphasic winding on the stator. The coarse voltage regulation as well as the overspeed protection works on the horizontal furl of the tail. The rotor is about 8 feet diameter, the 3 blades are fiberglass and the hub is cast iron.
    The unit comes with the voltage regulator, it has a fullwave rectifier and a dump load for fine voltage regulation. Also the regulator includes an amp meter and a volt meter.
    Rated power is about 0.3kw at 14 mph wind speed, output voltage is for 12 volt battery systems. We installed 2 AC Delco deep cycle batts rated at 110 amps each in parallel, but plan to add two more soon. We connected also a 1500 watt power inverter for illumination and ac power of fridge and the like.

    Originaly we mounted it on a lower tower, but this one lets it catch higher wind speeds with notable less ground induced turbulence. That translated in efficient operation, with less noise and less stress to the machine.

    Just let me know if you need more info, I also have closer photos of the machine.

    Regards:

    Jerónimo.

  4. #4
    Join Date
    Jul 2008
    Location
    Uruguay, small pacific country with south Altantic coasts, 3 million friendly people population.
    Posts
    91

    Default

    More pics.
    Attached Images Attached Images

  5. #5
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I would like to see a couple pics close up of the cable clamps installed.

  6. #6
    Join Date
    Jul 2008
    Location
    Uruguay, small pacific country with south Altantic coasts, 3 million friendly people population.
    Posts
    91

    Default

    Quote Originally Posted by Sberry View Post
    I would like to see a couple pics close up of the cable clamps installed.
    To be honest I don´t have close ups on the clamps. What would you be looking for? Any input is wellcome.

    Thank´s!

    Regards:

    Jerónimo.

  7. #7
    Join Date
    Aug 2006
    Location
    near rochester NY
    Posts
    9,881

    Default

    nice job.
    i would love to add wind turbine power to my place. i got lots of wind, just no $$ for the turbine.
    have you looked at the ones that are tube shaped ? supposed to work better in low wind and changing directional wind.
    any idea what kind of $$ the setup was ??
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
    summer is here, plant a tree. if you don't have space or time to plant one sponsor some one else to plant one for you. a tree is an investment in our planet, help it out.
    JAMES

  8. #8
    Join Date
    Jul 2008
    Location
    Uruguay, small pacific country with south Altantic coasts, 3 million friendly people population.
    Posts
    91

    Default

    Quote Originally Posted by fun4now View Post
    nice job.
    i would love to add wind turbine power to my place. i got lots of wind, just no $$ for the turbine.
    have you looked at the ones that are tube shaped ? supposed to work better in low wind and changing directional wind.
    any idea what kind of $$ the setup was ??
    I don´t know how the tube shaped types work. This one has pretty low wind startup caracteristics as well as low rpms max peak out that was what we were looking for (our weather is rainy, windy and with high humidity, ice hitting the blades during a storm and birds have damaged faster turning turbines in our past expereince).

    The turbine costs usd 1500, the tower cost (materials only) was around usd 700, the power inverter and batts around usd 1000.

    Regards:

    Jerónimo.

  9. #9
    Join Date
    Sep 2005
    Location
    16919 Pole Rd. Brethren, MI 49619
    Posts
    4,376

    Default

    I saw a job today with 2 clamps installed, the mechanic did a nice job and used thimbles nice and tight and installed the clips back wards. As Ironhead said, cant saddle a dead horse, maybe someone has pics from a site with clamping instructions?
    Ok, here is the first google hit. http://wolfadventures.org/Ropes%20Co...rds/clamps.htm Nice tower by the way.
    Last edited by Sberry; 08-14-2008 at 09:09 PM.

  10. #10
    Join Date
    Oct 2006
    Posts
    15

    Default

    How did you stand it up? How did you anchor it?

    Nice job

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