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"Oh yeah, big time. I bet that stuff is blocking 50% of your air flow, plus the air that does get through is going to be very turbulent. By comparison, we usually use 2"x2" welded wire mesh guard material."

True.........but won't keep a finger or two from going through. We often times are back by the fan when it is turning. and even need to swing it by hand on occasion.

I like 1/2" x 1/2" rabbit galvanized, welded rabbit wire. Low resistance and keeps out fingers and branches.

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kinda the reason i went with 1/2" expanded, i like all my fingers to stay intact
 
well, as long as you dont go sticking your fingers where they dont belong, you will be just fine.

Good rule of thumb, dont touch the shroud while the fan is running...

but, if you got kids, or shooting partners that are just past that point of "you cant fix stupid" then you will be better off with the 1/2 inch stuff.



Otherwise, 1-2" gaps will do just fine, provide better air flow, and have less noise...
 
how hard was it to roll into a circle
Very easy with a simple plywood template. Just calculate your circumference (diameter x 3.14), cut to length, take a piece of plywood and put a nail dead center, take a string and marker from that nail and draw the proper size circle, pound nails about an inch or two apart along the whole line, then bend your cut piece around the nails and weld the ends together (need to pin that first end in with nails on both sides OR have a helper hold it down). Then set your mounting plate centering on that center nail, cut some braces and weld 'em in. My braces are configured oddly to avoid the muffler and gas tank on my 16hp motor. Not great pix but you get the idea.

Oh......pound your nails just on the INSIDE of the drawn line or the ends won't meet when you get it bent. If your circle is a little small and your metal overlaps its OK, just back it up a bit and weld it, you will still have a nice circle and you can always tweak it before you weld the braces in.

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i may steal your idea
heck yeah........change it up and make it better and I will steal it back!!
 

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whoops lol

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Discussion starter · #54 ·
no after the third one in four weeks blew up and never lasted a night i would like to know what is wrong or maybe it cant hold up to a 20.5 hp engine
 
Discussion starter · #56 ·
yeah two of them and i sucked something throught the first one but the other two lasted 30 mins and then the next one lasted 3hrs and sucked nothing throught them blades just broke off and wiped out everthing
 
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