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Cutting windmill blades

Birken Vogt

Charter Member
Joined
Nov 30, 2003
Messages
5,552
Location
Grass Valley, Ca
But what will do with the grindings? Not many want recycle Glass Fibers either.
I didn't watch it all in detail but they stated at some point, longer fibers are more valuable for recycling. Meaning concrete reinforcement or something like that. At least if you shred it down like that it will be easier to pack in a landfill. Oh well.
 

CM1995

Administrator
Joined
Jan 21, 2007
Messages
14,104
Location
Alabama
Occupation
Running what I brung and taking what I win
I didn't watch it all in detail but they stated at some point, longer fibers are more valuable for recycling. Meaning concrete reinforcement or something like that. At least if you shred it down like that it will be easier to pack in a landfill. Oh well.

Didn't watch the video but the first thing I thought was fiber reinforcement in concrete. Poured out 1,000's of yards of the stuff.
 

chidog

Senior Member
Joined
Jun 21, 2021
Messages
1,036
Location
kent, wa
Didn't read it all but how about a nice chain saw with a carbide chain teeth like fire folks use.
Would need to suit up like anyone that works on corvettes in a body shop would.
Have a sort of tent to follow along with and a spray mist of sorts.
And wow 30k plus pounds in blades on one of those things.

Just melt the fibers of the fiber glass.

All a huge waste of everything with those things. Just use nice old clean renewable mineral oil AKA petroleum.
 
Last edited:

fast_st

Senior Member
Joined
Dec 1, 2010
Messages
1,515
Location
Mass
Occupation
IT systems admin
Didn't read it all but how about a nice chain saw with a carbide chain teeth like fire folks use.
Would need to suit up like anyone that works on corvettes in a body shop would.
Have a sort of tent to follow along with and a spray mist of sorts.
And wow 30k plus pounds in blades on one of those things.

Just melt the fibers of the fiber glass.

All a huge waste of everything with those things. Just use nice old clean renewable mineral oil AKA petroleum.
Though less environmental, chop off the tip, stand it on end and fill the first few feet with cardboard and spark it up, might make a heck of a show. Need a lot of cardboard
 

skyking1

Senior Member
Joined
Nov 3, 2020
Messages
8,303
Location
washington
I got as far as his statement about not being able to reuse the concrete footings and I had to shut it off because that's complete BS.
If they so desired they could stand another windmill up there and once they figure out how to just change the blades and generators they could keep going in that same site.
The concrete footing does not fatigue LOL.
 

Truck Shop

Senior Member
Joined
Dec 7, 2015
Messages
19,111
Location
WWW.
I got as far as his statement about not being able to reuse the concrete footings and I had to shut it off because that's complete BS.
If they so desired they could stand another windmill up there and once they figure out how to just change the blades and generators they could keep going in that same site.
The concrete footing does not fatigue LOL.
Yes----It was just done here on a wind farm situated on the Wa/Ore state line last year.
The farm was erected in 1994, replaced some towers--generators and all blades. This
thread----I'm surrounded by wind farms, most of the talk is disinformation, just haven't
had all the issues--most is babble quacking.
 

DMiller

Senior Member
Joined
Feb 21, 2010
Messages
17,568
Location
Hermann, Missouri
Occupation
Cheap "old" Geezer
I got as far as his statement about not being able to reuse the concrete footings and I had to shut it off because that's complete BS.
If they so desired they could stand another windmill up there and once they figure out how to just change the blades and generators they could keep going in that same site.
The concrete footing does not fatigue LOL.
Northern MO, most of IA wind farms experiencing Blade failures, bad design sets up stress cracking to final fail from the Inside out. The sites have been determined as the foundation piers are too small to accommodate larger currently available turbines as well were not spaced by distance enough to avoid turbulence issues that created the cracking where will be abandoned in place.

Will retain those turbines that do not display the stress cracking issues until fail. New farms will have to be erected to replace.
 
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