Category: Miscellaneous

Engine Improvement with a Negative Ion Generator?
article #1267, updated 19 hours ago

I’ve never been a profound and excellent engine guy, and with computers controlling them I have become even less and less of one over time. But theoretically, one should be able to improve anything at least a bit, and I may have stumbled on a way.

A negative ion generator, is a thing used commonly to improve air quality. They “ionize” molecules and atoms in air, giving them negative electrical charges. This observably coalesces dust particles which fall, and also destroys odors. One can find more health-related reports about them too. Reportedly, right after a thunderstorm, most of the “invigoration” one encounters in the air, is negative ionization.

There used to be “negative ionizer” widgets which were little bricks that plugged in and hung onto wall power sockets; these did help, but the dust tended to coalesce and adhere around a few inches radius of the device, on the wall et cetera, which is why we don’t see those much anymore! But they are being built into air conditioners quite a lot now, even the window air conditioner we bought a year or two ago has one inside it. Little ones with fans are now quite available from a few different companies.

And I do enjoy testing the walls of my current box, so, thought I, I wonder what would happen if we charged the air going into our friendly household truck engine. I have a 1998 Tahoe, 5.7L EFI V8, which underwent some mods before she asked to come into our life (her name is Bertha, she is a big girl with a very low voice)…and she has a certain amount of airspace available in her engine compartment, so I thought, why not. I remember just enough physical chemistry (which I mostly failed) to be dangerous, and the idea of adding electrons to air molecules and atoms to make them more reactive, sounds like a way to get a very nicely excited sort of energy into her heart. After all, it’s not how much energy you have, it’s the preparation of that energy into usable form. We have enormous amounts of unused chemical energy in every engine cycle; if we can bleed off a little engine power electrically to get a noticeably helpful net result, that’s a definite gain.

So I ordered one of these:

after a bit of research, from Alanchi on AliExpress. The pic is for the 110VAC version, it comes in 12VDC and 220VAC too; I ordered the 12VDC of course, to wire straight into existing electrical. It is advertised as a 30 million particle per cm3 negative ionizer, which is literally twice as powerful as any of the others I could find, except one which is 220VAC only. That one is at 100 million particles per cm3…but I’m not going to try to engineer 220VAC under Bertha’s hood ☺ Also unlike what I have seen in the past, this class of ionizer throws its output off little carbon brushes, rather than rows of thin and sharp metal needles. I have seen the metal needles degrade over time, due to corrosion and possibly more interesting behaviors (I saw what looked like a slow-moving, brightly glowing spark, rising off a needle, at least twice); the carbon brushes strike me as a very good idea.

If you are in the U.S., you’ll spend a lot of money on shipping from AliExpress unless you are willing to wait a long time; I waited a long time ☺ and I don’t regret it, it gave me time to think about setting this up in as durable a fashion as possible, which we really do want in an engine compartment. Electrical fires are no fun, we have to be careful. One nice thing, this 30 M/cm3 ionizer element is only using 0.5 watts of power, just a tiny sip.

Do note that what we want is explicitly not an “ozone generator”. Ozone is a peculiar and less stable molecular form of oxygen, which is both poisonous and corrosive. We do not want any noticeable amount of this, in regular contact with anything of ours. It is used sometimes as a cleansing agent, to kill invasive bugs and other unpleasantries, but it is not what we are after here. Most if not all electronics produce very tiny amounts of ozone, thunderstorms produce more; the devices we want for this purpose explicitly produce only infinitesimal amounts, and they are explicitly rated for this as well, because years ago this was not done so carefully, there was confusion.

It is also true that I am at least a tad concerned with possible corrosion in this build. Ionization means reactivity: various components of air are being made more likely to do chemical reactions with things they encounter, than they would otherwise. So be warned, if you try this you taking risk just as I am; I have no idea what this is doing to various sensors and other bits in the air intake setup! And as of this writing, 2019-02-18, it’s been in place just 3-4 weeks. I’ll be updating as I learn things and encounter things happening. One idea which did come up recently, was checking the spark plugs, this can be one way to find badness in the cylinders; I’ll have them changed out soon so I can get multiple experienced opinions.

And back to work. I set up the electricals as well as I know how, with crimp-on terminals for every wire, because I intend to run with it in the long term, and Kansas sometimes (and never always) gets very cold winters, very hot summers, wet springs, etc. Power comes from the fuse box, using something called a “fuse tap”,

which I learned about through web-searching; I found the AutoZone three blocks from our home had the ones for Bertha in stock. You take out an existing fuse, plug the fuse tap in, and then plug the old fuse and a second new fuse into the fuse tap’s own sockets. The fuse tap has a wire end to crimp onto, and that runs to the widget needing the power.

We could wire straight to the battery, but that would mean opening the hood to switch it on and off every time. Since we want this widgetry to always have power with the engine, we use the fuse tap, and choose the fuse socket accordingly. The one marked “IGN” (“ignition” I think) is working well for me, though I saw one bit of web-advice against it for unclear reasons, probably related to applications pulling a lot more power than this one. On Bertha, IGN is also the only socket of the correct size in the fuse box under the hood: 10A, which is maximum for all of the fuse taps I found for this vehicle. My friendly neighborhood AutoZone guy also was fast and accurate in finding crimp-on terminals that fit on the switch I wired in (further down), and other items.

So I ran a new wire from the fuse tap, all the way around the back of the engine compartment, threading through items which don’t get hot to hold it in place, to a little switch with a light in it, so I could know for certain when the widget is powered, and so I could shut it off if something happened in certain categories ☺ I followed the simple wording on the switch (+12VDC here, accessory wire there, ground there), and grounded both the device and the switch directly to the battery. Then I drilled four small holes, one for each of the carbon brushes, in the casing for the air filter. This is emphatically pre-filter, not post-filter, because I don’t care how strong those brushes are, I don’t want bits of them ever going into Bertha’s engine! Here’s the result:

Normally everything sits in that little cavity just under the switch, I pulled it all out for the pic. You’ll notice the four wires going into the air filter casing. I used a very nice epoxy from JB Weld advertised to bond any plastic; it works very well, highly recommendable.

I will end up regretting using epoxy if/when I eventually have to replace the ionizer unit, but that’s fine, that’s what cordless electric drills are for ☺ Also I still don’t know what I will use instead of the epoxy. It seems important to hold those wire ends so they don’t get sucked onto the air filter surface, or flap around a lot; they’re sticking through only about an inch.

I can imagine a little metal screw-in stud with a hole in the middle for the wire, but I don’t know what it’s commonly called, or if anyone is actually making them right now ☺ They probably are, these days. If it becomes desireable, I’ll probably send up a RFQ (request for quote) to MFG or AliExpress or something. Wording is the problem then, and the fact that although I might have seen one or two of these in the dim sands of memory, I don’t have precise specs, and my drawing skills aren’t great. I once taught myself rudiments of the DOS version of AutoCAD though, maybe I could revisit that kind of graphics; someone must have an open-source CAD by now, right…?

The device has been in place for just 3-4 weeks at this writing, and it has been very cold mostly, ranging from -5 to +35 F (-21 to +2 C) or so. Noticeable results so far:

  • Cold running. In the extremer cold, Bertha has sounded a bit strained until warm, like many other engines I’ve heard. Not anymore. Even stone cold, at minus five, the gas pedal seems to have about as much juice as warm. She probably burns a good bit more gas doing it, but is happy to help!
  • Starting. Bertha has never had real trouble starting once I gave her a really good (and pricey) battery and new starter, just normal behavior. But now it’s not normal. Hot or one-hour-warm, she takes off, probably turning over once. Cold, one turns the ignition on for a few seconds to run the fuel pump and charge that air…and she turns over just a bit and righto she goes.
  • Idle has an interesting sound change (she does have glasspacks…), very very regular, quite a lot less in volume, clearly doing more motion with less.

I haven’t noticed a whole lot of change in general driving yet, beyond the very cold and overall consistency. Which is why I’ve ordered three more of those negative ion generators ☺ Not going to put them all in Bertha I don’t think, I’m looking for others to join in the fun; we’ll see. I have been tentatively thinking about a second and third vacuum-controlled stage…with white, yellow, and orange LEDs in a row on the dash…maybe…☺

It will be interesting to see how summer plays! Do drop me a line if you have questions, are interested, or try it!!!

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Reduce Hand Stress - Left-Click With Your Foot!
article #1252, updated 99 days ago

Admittedly this is a bit of a contraption, but it has worked wonderfully. I type a whole lot at work, and over time tried a large number of ways to get rid of hand and arm stresses. Eventually, having got my positioning right, I found that an enormous remaining stress was my mouse and most especially the left-click, which we all do a very large number of times per day. So I bought this:

www.clearlysuperiortech.com/cst2545saw

from here:

www.ergoguys.com/pctrac-tracball-w-superiorx-button-control-softwar.html

which is a nice big trackball for multiple fingers or palm (I found the small ones worse, not better, than my mice), and more importantly, those three jacks. It’s one jack per mouse-button. Originally I had thought to bring left and right buttons to foot, but I ended up doing just the left, which has done me just fine and dandy. I initially bought two of these:

www.clearlysuperiortech.com/external-buttons

similarly:

www.ergoguys.com/sbuexsw.html

because they were not expensive; I destroyed the first one (with my foot, they’re not exactly designed for stomping) in a few months, which gave me enough time to figure out what to do. Soon I received a marvelous inspiration, and looked into a “ribbon switch” or “tape switch”. These are industrial components used on conveyor belts to detect items, and safety applications where one wants to stomp on something to get it to stop. So I bought one of these:

www.tapeswitch.com/store/proddetail.php?prod=1100

in the one-foot length to save at least a bit of money, with the aluminum channel for mounting (I think this is needed), mounted it on a 48”×6”×3/4” piece of wood, had my friendly neighborhood electronic musical instrument shop solder me a 1/4” mono phone plug on its wire, ran a long wire from that plug to the 1/8” jack on the trackball…and it works!!!

There is a bit of technique I have had to learn for it to work easily, a kind of bounce of my heel to mimic a rapid left-click; and I do sit now with one shoe off, tread does not help; but I have zero pain in my hands after work these days, which is quite the joy.

Admittedly the trackball and ribbon switch are not inexpensive. On the other hand this trackball looks and feels, inside and out, that it will work for decades, and the ribbon switch is an industrial component, so unless I mounted it badly it will do for a nice long time. The only thing I might have done differently is to get a longer ribbon switch, probably two feet long, though that is luxury, not necessity!

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Improve engine lubrication
article #1107, updated 251 days ago

At your own risk!!! For the brave and the risk-tolerant only, put five grams per liter of Hexagonal Boron Nitride, also called HBN:

https://www.bulletcoatings.com/product/hex-boron-nitride-hbn-powder/

in your engine oil. Smooth power, like wow :-) The stuff is actually very non-toxic, it is the primary ingredient in many women’s cosmetics. An extremely fine powder, and extremely slippery. Do NOT put it in any transmission…

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Laptops for Missionaries
article #1194, updated 264 days ago

Lately I (Jonathan) have been taking old laptops no longer worthwhile for Microsoft Windows, and setting them up for some friends of mine who travel to the Solomon Islands and Papua New Guinea and other places. They go bearing gifts, digging freshwater wells for people suffering the lack quite a lot; and they go bearing the joy of the Lord.

So far Linux Lite has been the best of several distros for the purpose. It is extremely reliable and hardware agnostic, installs quite rapidly, and has the available breadth of Ubuntu, including helpful language support, while being a very nicely lightweight OS.

Here is my install outline at this writing.

  • 32-bit DVD
  • User / user
  • Welcome:
    • Install updates
    • Install drivers
    • Install language support
      • Indonesian
      • Korean
      • Malay
  • Menu / System / Lite Software
    • Restricted Extras
    • Chromium Web Browser
  • Menu / System / Install/Remove Software
    • Xiphos
  • Xiphos Modules
    • Biblical Texts
      • English
        • ESV2011
        • ISV
        • KJVA
        • WEB
      • Central Sama
      • Chamoru
      • Kpala
      • Pohnpeian
      • Tausug
      • Uma
      • Wikang Tagalog
      • 10th from bottom: Malayam
      • Last
        • KorHKJV
        • KorRV
    • Dictionaries / English
      • AbbottSmithStrongs
      • ISBE
      • StrongsGreek
      • StrongsHebrew
      • WebstersDict
    • Commentaries / English
      • Geneva
      • TSK
  • Xiphos Index, all modules
  • Icons on desktop:
    • Firefox
    • Chromium Browser
    • Xiphos
    • Writer
    • Home Folder

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Upgrade (make visible) Snapshots in a ReadyNAS, and Delete Them
article #1147, updated 386 days ago

When ReadyNAS firmware is upgraded, snapshots can become invisible, losing much space. To fix that:

  1. Turn on SSH, in System / Settings / Services.
  2. Using putty, SSH to root@nas , where “nas” is the IP of the NAS, using the admin password.
  3. Do this:
touch /.force_snapshots_upgrade
systemctl restart readynasd
  1. The GUI will report upgrade in progress. Wait for it.
  2. We have now fixed it so we can do things to the snapshots. Let’s make them visible in the filesystem. Browse to Shares, click on the share name (often Backup), click the gear icon on the right, and check Allow Snapshot Access, Apply and OK.
  3. We can now see them at \\NAS\Backup\snapshots. If we create a blank directory on the Windows server’s hard drive, say C:\B, and do the following, we will wipe all of the snapshots on that share and begin recovery of all of the space:
    ROBOCOPY C:\B \\NAS\Backup\snapshots /MIR /R:1 /W:1
    Full recovery of the space actually takes a bit more, there are automatic elements which initiate after the above is done, and also after the next step is done.
  4. Then we run a Balance operation which Netgear recommends. Browse to System, then Volumes, and then click the Gear icon inside the NAS object, and choose Balance. This will take a while, and more space will be recovered. A weekly Scrub and Balance are both recommended. Scrub actually takes longer.

References:

https://community.netgear.com/t5/Backing-up-to-your-ReadyNAS/Deleting-snapshots-over-SSH/td-p/1046740

https://kb.netgear.com/30068/ReadyNAS-OS-6-SSH-access-support-and-configuration-guides

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Bicycle Derailleur Adjustments
article #1130, updated 433 days ago

If you bicycle much using the most common shifting systems, you’ll need these. Thus far I am finding the instructions on Liv’s Cycling to be best for the rear, and wikihow or madegood.org for the front. The most important thing yet learned: instructions often get the “H” and the “L” limit screws reversed for whichever bicycle you’re on. Got to check it for each derailleur, by seeing the slight movement per half-turn of each screw. General thoughts:

  1. Mounting position has to be right. This is not very confusing in the various web resources studied.
  2. Each derailleur, front and rear, has an H screw and an L screw. On each, one screw sets the max deflection towards the frame, the other sets the max deflection away from the frame. These are called limit screws.
  3. Cable tension can simulate one of the limit screws. Use the tension caps on the gear control, or (when they are there) the caps on the derailleurs themselves, to relieve tension, to verify that you are seeing reality of limit screws, not the simulation of the cable tension :-) Which screw tension simulates, also varies by make and model and type of derailleur.

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BBQ sauce with no added sugar
article #1116, updated 481 days ago

This is “Cornell Chicken Barbecue Sauce”, created in 1950 by Robert C. Baker in order to encourage certain kinds of agriculture, especially that of chicken. The sauce remains extremely popular in certain places. And it has no added sugar, unlike every BBQ sauce this writer has ever seen in many supermarkets.

1 cup cooking oil
1 pint cider vinegar
3 tablespoons salt
1 tablespoon poultry seasoning
1/2 teaspoon pepper
1 egg

Beat the egg, then add the oil and beat again. Add other ingredients and stir. The recipe can be varied to suit individual tastes. Leftover sauce can be stored in a glass jar in a refrigerator for several weeks.

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General Instructions for Computer
article #1111, updated 486 days ago

  1. Turn on.
  2. Move mouse and press buttons until done.
  3. Turn off.

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Very simple machines this time: suspenders
article #912, updated 1124 days ago

This post is not for all or even most, certainly :-) But if you want suspenders which snap onto belt loops, rather than the usual variations on alligator clips or buttons, they really exist and work very well, from here:

http://www.suspendease.com/snap-on-clip-suspenders.html

Here’s a pic:

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Delete snapshots from at least some NETGEAR ReadyNASes
article #872, updated 1212 days ago

Update your firmware first to the latest, and then try this:

http://kb.netgear.com/app/answers/detail/a_id/23407/~/how-do-i-delete-snapshots-using-the-recovery-mode-on-my-readynas-os-6-storage

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