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Engineering Puzzle
#1
Engineering Puzzle
I  builT a small riding flail mower - that uses a horizontal shaft with steel cables with seizings welded on the ends of the cable to prevent the cable from unraveling.

Initial testing showed it worked excellent - with one problem -- shit flew EVERYWHERE - and even with long sleeves, face shield and goggles I ended up getting a pretty bad case of poison ivy.....

So - an enclosed cab was in order. I made my way to my local steel supplier and bought a couple hundred dollars worth of 3/4 inch light steel square tubing and some 20 gauge sheet metal - and some 1/8th inch lexan. Break out the MIG welder.

I got the cabin done today - and have a 12v squirrel cage blower installed - intaking through a 20 inch x 20 inch furnace filter mounted on the back.

The idea - is to pressurize the cabin slightly - so the outflow of air will keep the poison oak, ivy and sumac dust outside - and me nice and clean on the inside.


The challenge -- is to figure out what the pressure inside the cabin is - with the fan running. (Determining positive pressure means I found and sealed all air leaks)


How would you get an accurate reading?

And do it under 2 dollars.

...

(there is a way)
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Messages In This Thread
Engineering Puzzle - by onlinebiker - August 16, 2020 at 7:30 pm
RE: Engineering Puzzle - by Fireball - August 16, 2020 at 8:35 pm
RE: Engineering Puzzle - by onlinebiker - August 16, 2020 at 8:51 pm
RE: Engineering Puzzle - by Fireball - August 16, 2020 at 10:10 pm
RE: Engineering Puzzle - by onlinebiker - August 17, 2020 at 1:07 am
RE: Engineering Puzzle - by Anomalocaris - August 16, 2020 at 10:19 pm
RE: Engineering Puzzle - by onlinebiker - August 17, 2020 at 5:46 pm
RE: Engineering Puzzle - by Gawdzilla Sama - August 18, 2020 at 3:35 pm
RE: Engineering Puzzle - by onlinebiker - August 18, 2020 at 4:21 pm
RE: Engineering Puzzle - by Gawdzilla Sama - August 18, 2020 at 4:51 pm
RE: Engineering Puzzle - by Fireball - August 18, 2020 at 9:23 pm
RE: Engineering Puzzle - by onlinebiker - August 18, 2020 at 10:35 pm
RE: Engineering Puzzle - by Fireball - August 18, 2020 at 11:39 pm
RE: Engineering Puzzle - by The Valkyrie - August 19, 2020 at 1:03 am
RE: Engineering Puzzle - by onlinebiker - August 19, 2020 at 5:23 am
RE: Engineering Puzzle - by The Valkyrie - August 19, 2020 at 5:29 am
RE: Engineering Puzzle - by Gawdzilla Sama - August 19, 2020 at 12:16 pm

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