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When I was on Nimitz, I got to take a tour of the reactor spaces...
Pics?
(hehe.)
Yeah, I know what you mean. While I was working at Meyer-Werft, I got to see an engine being installed in a cruise ship. They assemble the ship up to a certain point, then they install the engines (and switchgear, and propulsion motors, etc) and then they assemble the rest of the ship around the drive gear.
Not my photo, but one of the two ships I outfitted. Hull # 687, The DCL Dream:
Originally Posted by sixshooter
Joe, how about a small drone/remote control helicopter pulling a fishing line?
Inscription reads "Echo diesel engine at 27469 hours 11th June 1992 R.I.P. Ripped itself to pieces."
Only a little over three years of continuous running. Is it just me or does that sound low?
If you ever have the chance, check out the Henry Ford Museum in the suburbs of Detroit. There are some monster engines on display there. It's really probably one of my top three museums ever.
Only a little over three years of continuous running. Is it just me or does that sound low?
It's a surprisingly low MTBF, but it fits the ship's timeline. QE2 was originally powered by oil-fired boilers and steam turbines. She was converted to diesel during a major re-fitting in 1986-87. So those engines were only about 5 years old in 1992.
Location: Detroit (the part with no rules or laws)
Posts: 5,677
Total Cats: 800
Originally Posted by Chiburbian
Only a little over three years of continuous running. Is it just me or does that sound low?
If you ever have the chance, check out the Henry Ford Museum in the suburbs of Detroit. There are some monster engines on display there. It's really probably one of my top three museums ever.
If you come to Detroit and don't at least spend a day in greenfield village, you're really missing out. It's where i recommend everyone go if they're visiting the city.
Location: Detroit (the part with no rules or laws)
Posts: 5,677
Total Cats: 800
The museum is in / at the village, if it's off season you can still get into the museum.
Anna scripps whitcomb conservatory, Dossin museum, fisher building, DYC, tons of bars, restaurants, shopping centers and many other places are all original and preserved.
Despite what people may have lead you to believe, Detroit hasn't entirely crumbled to the ground.
Sadly, they are furnished without tongues. This led me down a whole other rabbit hole, and it turns out that duck tongues are apparently pretty delicious.
This is the closest thing to a wiring fail I could come up with yesterday:
That's the antenna controller for one of the four steerable microwave dishes which I have on the 105th floor of Sears Tower. Note that I had already removed the paperclip which was jammed into one of the terminals and then gator-clipped to that pin that's hanging out.
Is that Troll Systems? Looks like the ones we installed, but ours were modified for on the move adjustment.
Is that Troll Systems? Looks like the ones we installed, but ours were modified for on the move adjustment.
You earn a for that.
Yup, Troll X750, slaved to an S750, just like the ones in your photo. MRX4000 receivers and TMF350 filter controllers, all driven by an array of TouchStar workstations.
Not sure what you mean by "on the move" adjustment. Something like NavTrack?
Not sure what you mean by "on the move" adjustment. Something like NavTrack?
The photo is of the tower system. The vehicle system is a little more interesting, but I couldn't take pics since there was classified stuff inside. It was a similar setup to a TV van. Drive out and park, then push the button to get your microwave backhaul. You could select which tower and auto-align the dishes. While the vehicle would track while moving, the tower didn't. You had to set the coordinates manually on the tower. This was in like 2008, so the technology was fairly infantile for them. The magnetometer didn't like to stay calibrated very well.
While the vehicle would track while moving, the tower didn't. You had to set the coordinates manually on the tower. This was in like 2008, so the technology was fairly infantile for them. The magnetometer didn't like to stay calibrated very well.
Huh.
Troll has a system called NavTrack which does basically that job, but better. We have it on our helicopter. A GPS receiver at the transmitter figures out where it is, then encodes this information onto one of the audio channels. At the receiver, it decodes this and, knowing where it is (if the receiver is moving, you'd best run away from the tower quickly), points the dish in the correct direction in both azumith and elevation.
This is the closest thing to a wiring fail I could come up with yesterday:
That's the antenna controller for one of the four steerable microwave dishes which I have on the 105th floor of Sears Tower. Note that I had already removed the paperclip which was jammed into one of the terminals and then gator-clipped to that pin that's hanging out.
The view ain't bad from up here, though.
Any EoC / MoCA gurus on here? I need to run 100 meg ethernet over about 200 feet of RG-59.
No, I can't pull a new cable, I gotta work with what I have already in place. (You don't wanna know how much red tape it takes to get a wiring permit in this building. Three men died in the process of doing the existing cable run. Well, not really, but this run scares the **** outta me. You're literally crawling over asbestos-coated structural steel I beams with about 50 feet between you and the concrete floor.)
No, I can't use a 10b-2 transciever. This is 75Ω.
Don't care how much it costs, I just need it to be utterly reliable. Actual throughput requirement is less than 1 mb/s. E-band would be preferred.
My first thought would be to remove the connector, make a plate to hold the strain relief, and hardwire the line into the circuit in the box.
My first thought would be to remove the connector, make a plate to hold the strain relief, and hardwire the line into the circuit in the box.
Que?
I can easily enough just put a new back-shell onto it. The bigger problem is what all the rest of the wiring in that rack looks like. It's shameful frankly...
03-12-2018, 09:32 AM
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