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Is that black wire going behind the mount above the pass seat antenna coax or just plain old vintage car power wire?

The wire between cowl and hood is meant to electrically bond the hood to the body so that it won't mess up the radiation pattern of the transmitter or introduce interference into the signal. The box with the coil and black cylinder looks like either an LC load for a transmitter antenna or maybe...

The 2.5 amp model is a good general-purpose one - big enough to top up a vehicle battery, but small enough that it's unlikely to hurt a motorcycle/mower battery. I see that one is weatherproof, which might be good for your application. Which battery are you using? If you're planning on...

Just because it's a CJ and not an M38 doesn't mean that it's not valuable in its own right. It looks like it is in awfully good shape, and is a really good restoration candidate as a CJ.

Would you care to share what he wants for it? I might be persuadable to pick it up if the price is right enough...

I actually took a color science class in college, along with a lot of other stuff. The color science class has proved useful a lot of times since, much to my surprise. Without going into huge amounts of detail, TV, cameras, etc nearly never have the ability to properly render colors in the...

Amp hours: You have four batteries in series-parallel to give you 24v. If we take your 100AH rating per 12V battery as true, then this is a 200AH 24V battery. If all four were in series it would be 100AH 48V. All four batteries in parallel gives 400AH 12V. Note that the total power available...

They're pretty bearable with the ASK installed, but watch for rattling panels. The exhaust comes out low on the side, and you'd probably manage a lot of noise just by pointing it up with an elbow and extension. Cooling air exhaust is also up, which helps. Definitely not as quiet as an...

Charging voltage: The best way isn't to constant voltage charge anyway. It'll do in a pinch, but wet cell lead acid batteries benefit from a certain amount of 'overcharge' or 'equalization charge' at the end of a charging cycle once in a while to stir the electrolyte (not a problem in a...

It works and several members have done it, as the MEP002A/003A gen sets also have flaky shunt regulators to charge their batteries. My only caution would be to size the charger maximum current rating to the batteries - you don't want a 10 amp charger on motorcycle/riding mower batteries, as...

Probably worth mentioning that in hot rod circles this engine is called a '12 Port GMC.' They have held a lot of records at Bonneville and Muroc over the decades.

Break in oils also sometimes are chosen for reduced lubricity relative to running oils. Using too-good (too strong a film) oil during break in can result in glazed bores because the film strength is so strong that the rings don't continuously contact the bores and bed in. In combination with a...

Your go/nogo pair of .006 and .008 should be fine for .007" if you're careful. If the .006 is a loose slip fit and the .008 doesn't go, you know that you're no tighter than .0065 and no looser than .008. Just be sure you're on the loose side of the .006 measurement. Another OK option if...

Your reported variables are completely normal. You probably needed most of that hour to get the temperatures where they were, but the cooling system louvers did what they could to get the engine up to operating temperature. 150 F on the block is normal in my experience - I generally measure...

The experts (and we do have some on here) can give more detail, but as I remember, the 'best' approach for dealing with an airframe fire has changed over the decades. Back in the 1950s USAF SOP was to foam down the whole runway if the landing aircraft was afire or doing a gear-up landing and...

The Chinese (ballistic missiles) and Russians (ASBMS, cruise missiles and hypervelocity torpedoes) have been serious about defending against the US fleet for a long time. The DF-21D is the latest effort to neutralize US naval superiority. Not to put too fine a point on it, but I think the US...

The answer would be 'yes.' Tin cans have always been used in littoral combat to some degree, as they're the smallest and most maneuverable capital ships. That said, there are separate littoral combat ships of a completely different design (with some feature overlap) which are specifically...

Hmmm. I think I can do that. Seems like a tachometer circuit would adapt nicely.

Scary. The more you know about it, the scarier it is. When I was a federal contractor, I worked with big bottles of (mostly inert) compressed gas for a decade or so, and still have a small gas welding rig. I took all the safety classes. I was always very careful with cart straps, chains...

If you're serious about wanting a generator for camping, you really want a current-technology inverter generator. They're so much quieter and burn so much less fuel than anything Uncle Sugar has yet surplused.