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What I'm pointing out is that these are small course corrections. They are "We've had a few dozen or couple hundred failures, out of 100,000, so we should see if we can make a change." They are not "This is a terrible stupid design and MOST or MANY wreck stuff, so let's get right on changing...

I understand that, though to some extent these large old trucks constantly require "couple hundred dollar" fixes. Mine seems to every few months. It all really depends on what you have access to (e.g. tools, surplus parts, time, etc.). The bolt pattern on the new steel-hubbed fan is just...

I can tell a clear difference when I changed mine. I think the only reason it survives is that the fan generally doesn't run for very long. It's also really naive to call a system that worked reasonably well on 100,000 trucks for a couple decades "a disaster" and a "stupid design". It...

I don't think the design was bad, as much as it was never meant to go 20+ years without having the rubber ring replaced. The new fan generates a lot more vibration, because it has no damping like the old one, though it can likely survive a lifetime of the Army's finest poor maintenance.

The new style clutch wasn't that hard to find when I replaced mine last year. I think it's still in production actually. Check the part numbers in my spreadsheet, here in my post signature.

PM sent.

Welcome back. I hope you're recovering well. Paying a shop to do it takes deep pockets!

The TMs now instruct you to ditch the old fan and clutch, and replace them with newer versions. The new fan has a solid one piece steel center hub, with the plastic fan permanently attached. Because of that, I don't think the rubber discs for the old style hub are made or stocked anywhere any...

There were some on eBay recently, but I can't find them now. Is there a note in the TM that says something like "Get shim pack part number #### and use as many as necessary to achieve XXXX."?

You're right, I'll go edit it, so that someone in the future doesn't read incorrect info.

Even though they push through the same shaft, think of them as not being connected. You have two completely separate ways for the brakes to be applied. (I'll lay it out here for others that might come looking.) 1.) Service brakes: When you push the pedal, it lets air in the service brake...

Pouring

The spring brakes apply less pressure than the air brakes can. The springs brakes are never used to stop the truck under normal conditions... they are continuously held disengaged by air pressure, once you pull that parking brake knob.

I have a pair that has been sitting in the intense Colorado sun for 3 years now, and has some light surface flaking. I've switched to an improved UV inhibitor additive, to make them even better and longer lasting.

I don't have any suggestions for this type of use because all my solar knowledge comes from other non-vehicle related engineering projects that I've worked on that included solar capabilities. Personally though, I would start by looking at what most RVs are doing. It's reasonable to assume...

None of these problems are just as simple as "which one is better?". Like your question about AC or DC appliances points out, there are numerous trade-offs and you have to choose which is best for your budget/use/skills/etc. Peak inverter efficiency can be over 90%, but poor efficiency can be...

Can you elaborate on that some? I'm not sure I followed it completely.

It all depends how much power you need or want. My point is mostly that solar numbers are dangerously deceiving. Between the losses from aging (typically a loss of around 10% in the first few years, then remains fairly constant), not pointing directly at (e.g. tracking) the sun, inverting DC...

Keep in mind that those numbers are further reduced because the panels are not pointed directly toward the sun. At about 20 degrees off, you still make about 90%. At 45 degrees, you're down to 70%. At 60 degrees, you're at about 40%. So there is some average for the day, as the sun tracks...

The rules even specifically say you can't hint or in any other way allude to links either. Sometimes the silly rules of this site make me want to start my own where people can post whatever they want. Following the rule writer's justification of not showing people secret auctions for rare...