home improvement turns into science fair projects?

Relax in southern comfort on the east bank of the Mississippi. You're just around the corner from Beale Street and Sun Records. Watch the ducks, throw back a few and tell us what's on your mind.
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JR.
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Re: bionic bee?

Post by JR. » Sat Aug 22, 2020 9:56 am

This morning I checked after three sprays, and saw exactly one yellow jacket fly into the nest.

I had my pump sprayer loaded with carpenter ant/termite spray so dosed the yellow jacket nest again with mo poison.

Odds are this will be the coup de grace...

JR
Don't only half-ass tune your drums. Visit https://circularscience.com to hear what properly "cleared" drums sound like.

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JR.
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Re: home improvement turns into science fair projects?

Post by JR. » Sat Sep 19, 2020 10:23 am

I have talked about this before but I just realized that my solar franken-lamps are still working.... a good thing. :lol:

Over the last few years I have made several modifications,

-I cobbled together 2 solar arrays on each lamp for more voltage during cloudy days,
-then I changed the value of the inductor in the charge pump to put less current into the efficient modern LEDs,
-then finally I substituted NIMH batteries for the cheaper nicads that only seem to last a season or two.

Still rocking.. I am pleasantly surprised that the controller chip is that flexible and robust but I guess it isn't really getting 2x voltage since the solar panels are loaded by the batteries when sunlight is hitting them.

JR
Don't only half-ass tune your drums. Visit https://circularscience.com to hear what properly "cleared" drums sound like.

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JR.
Posts: 3451
Joined: Sat May 24, 2008 7:21 pm
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Re: home improvement turns into science fair projects?

Post by JR. » Sun Sep 20, 2020 2:20 pm

Finally getting around to finishing a project I have been chewing on for well over a year.
blower1.jpg
I purchased this blower for a crazy cheap price <$30 IIRC... The blower moves way too much air but I finessed that with a three speed switch using series capacitors to scrub off mains voltage. High speed that still has a cap in series is too high but medium and low speeds are usable. I am grabbing power from the old ceiling heater, so I have 3 speeds and off... 8-)
vent1.jpg
For over a year I had this rig sitting in my hallway between main room and back bedroom. It worked well enough but my wife would kill me (if I had a wife). The right thing to do is install the blower up in the attic, and punch holes through the ceiling, but there was no way I was going up in my attic and doing this. My compromise was to mount the blower to the ceiling of my bathroom and punch holes between the walls so I could pull air from the main room, near the air-conditioner/heat pump, and exhaust the warm/cool air into my bedroom closet.

The vent in the main room almost looks professional... the bathroom not so much, but I don't mind.
vent2.jpg
I can probably clean up the closet vent a little. I did a test with the blower on high speed, and it blew that vent grill right off the duct. Now secured with gaffer tape.

JR
Don't only half-ass tune your drums. Visit https://circularscience.com to hear what properly "cleared" drums sound like.

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