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MacGyver

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Joined: 12/05/2009
Location: United States
Posts: 1329

Posted: 04:19am 12 Feb 2010

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I was driving through San Diego today and saw this windmill in someone's front yard. I thought it was an Aeromotor, but when I stopped to snap some shots, turns out it was something else:

It's a "Dempster Mill":

This next one is a shot of the gearbox and yaw control.

Here's a tight shot of that gearbox. The upside-down name is Beatrice, Nebraska. I think it says "Dempster" in the little inclosed box on the side of it, but my eyesight isn't what it was 50 years ago!

Here is the furling gear:

Oztules: Check out the little grease fitting (?) just aft of the hub:

This style of windmill is an up-wind, powerful, slow-turning turbine used mainly for pumping water. This one is now merely "kinetic art". It works, but usually just has a potted plant attached to the down rod. This last shot is the down rod and a coupling device:

That's all folks!

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

fillm

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Joined: 10/02/2007
Location: Australia
Posts: 730

Posted: 10:36am 12 Feb 2010

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" GREAT STUFF " MacGyver , you have finnally worked out how to download photos and I am looking forward to now seeing pictures of all the stuff you have designed and built

PhillM ...Oz Wind Engineering..Wind Turbine Kits 500W - 5000W ~ F&P Dual Kits ~ GOE222Blades- Voltage Control Parts ------- Tower kits

Downwind

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Joined: 09/09/2009
Location: Australia
Posts: 2333

Posted: 11:03am 12 Feb 2010

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I second that Fillm.
Hes let the cat out the bag so we expect a lot of photos to view shortly.

Im looking forward to this

Pete.

Sometimes it just works

GreenD88

Senior Member

Joined: 19/05/2009
Location: United States
Posts: 104

Posted: 03:01pm 12 Feb 2010

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Yeah when I saw windmill pictures he had my hopes up that they were pictures of his windmills.

Licensed Master Plumber / EPA 608 Universal License / 410a Safety Certified / Medical Gas Brazer/Installer

MacGyver

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Joined: 12/05/2009
Location: United States
Posts: 1329

Posted: 04:01pm 12 Feb 2010

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MacGyver is a bit too self-conscious to actually "show" out stuff he's built. His stuff sucks compared to even this hundred-year-old jenny. As soon as he's saved up enough to buy the gold for the gilded edges, he'll post some pics.

Edit: Hmmmm just had a thought: I also like to tinker with plants. Studied Botany at the University of Washington about a thousand years ago. Anyway, I have a ton of pictures of my greenhouse and plant friends on my Web site if it's a look-see you're hankerin' for!

. . . . . MacEdited by MacGyver 2010-02-14

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

Downwind

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Joined: 09/09/2009
Location: Australia
Posts: 2333

Posted: 05:15pm 12 Feb 2010

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If its too hard to take photos of the projects that worked, than how about some photos of the ones that didnt work,
I promise i will find the time to look at all of them.

As for plants ...i like them, but if i want to see bloody plants i will take a drive into the forest.

Now what was these photos you were about to post??????

Pete,

Sometimes it just works

gpalterpower

Senior Member

Joined: 19/07/2009
Location: Australia
Posts: 175

Posted: 10:26pm 12 Feb 2010

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Yeah Mac I want to see some too.!!Love reading your posts no matter what the subject. Steam, air motors,reflected sunlight.....even better mousetraps.

You're an ideas man and your brain's a buzzin'. Your thoughts are great and always food for thought for all of us at the shed.

Bring em on!!!

Marcus

if it aint broke dont fix it!!

MacGyver

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Joined: 12/05/2009
Location: United States
Posts: 1329

Posted: 02:53am 13 Feb 2010

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Edit: Oops! Double post!

. . . . . Mac

Edited by MacGyver 2010-02-14

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

MacGyver

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Joined: 12/05/2009
Location: United States
Posts: 1329

Posted: 03:01am 13 Feb 2010

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Okay. I'll get into the cupboard and dig out a bunch of old air engines and stuff, but I have to tell you: When a project goes south (as many do) I throw them into a closet in my shop and shut the door. I have lots of half-done (as well as half-baked!) projects, it'll amaze you. I'll line things up and take some pictures and post them here somewhere, probably in "Other Stuff"

Unfortunately, ALL my solar stuff is history. I don't have any pictures and I don't have any stuff left. I intend on building another flat-plate, oil-filled solar collector to use with my trailer, but it's not built yet. I did it over 40 years ago, but that one is likely in a landfill somewhere in Florida.

I'll also throw in a picture of my lathe and you'll see why I make small stuff. Standby!

My end game is to have all my stuff run on 12 volts. The reason for this is that I intend on retiring next year and I'm going to live in my travel trailer.

Here's a link to my trailer. I'm going to take out the front bed and make the "bedroom" into a shop. The bed will be as wide as a twin and 7 feet long (cause I'm almost 7 feet long!). The new bed will fold out of the wall to give me more room in my "shop". I'll post pics when that day comes around.

. . . . . 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

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