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BobHoward posted:Tin whiskers are the wildest thing. Like what the gently caress, tin, why you do that??? Sensible metals aren't supposed to just spontaneously grow micron-diameter whiskers! I recently learned that they're a huge problem in spacefairing electronics, tin (and other metals, particularly zinc) sublimate in vacuum, which increases the whiskering quite a bit.
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Nov 4, 2023 08:34
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BobHoward posted:(as i understand it we don't even understand the reasons why tin whiskers grow, either) Within the past decade there seems to be a consensus that it’s a compressive stress relieving phenomenon, in some cases the stress is caused by the formation of tin-copper intermetallics. The stress causes tin atoms to diffuse toward the whisker root, propagating it upwards. CarForumPoster fucked around with this message at 12:38 on Nov 4, 2023 |
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Nov 4, 2023 12:35
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The Door Frame posted:Never have I ever limped home on back roads while going through 3 bottles of brake fluid after a caliper was sheared off Never have I done the same after blowing a brake line. More than once, on different vehicles. Never have I run out of gas at the exact moment that I turned in front of a triaxle dump truck to pull into a gas station. Never have I driven back and forth to work for a week (60 mile round trip per day) with one of my caliper bolts sitting on top of my lower control arm, eventually having the other bolt loosen enough for the caliper to pivot and wedge against the inside of the wheel, while at a stop sign a few hundred feet from my house - and then pulled the wheel to find the other caliper bolt was somehow still sitting on top of the LCA. Never have I accidentally left a T-top unlatched, hit triple digit speeds on the drag strip in that condition, and eventually had it fly off on the highway. Never have I owned a piece of poo poo carbureted truck that came with a "warm up brick" in the cab. Never have I had a slight mishap during a pitman arm replacement that resulted in surgery and months of occupational therapy. Never have I tried to break rusty front lugnuts loose with hand tools, while the rear was on jack stands with the wheels off, resulting in a truck rolling forward, tipping off the jack stands, and landing on the rear drums.
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Nov 4, 2023 12:40
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JoshGuitar posted:Never have I tried to break rusty front lugnuts loose with hand tools, while the rear was on jack stands with the wheels off, resulting in a truck rolling forward, tipping off the jack stands, and landing on the rear drums. Never have I ever gotten under a car sitting on a scissor jack, on an inclined driveway, nor did I put all my weight into a wrench trying to break a caliper bolt loose. Definitely didn't hear the jack creaking, definitely didn't poo poo myself getting out from under the car right as it didn't fall on the rotor either. randomidiot fucked around with this message at 14:58 on Nov 4, 2023 |
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Nov 4, 2023 14:52
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Never have I ever had my clutch cable snap 5 miles from home and unplug the clutch switch so I could start it in first and crunch my way home. Never have I ever spent hours diagnosing multiple cars that wouldn't start and had no gas. Never have I ever hosed up a spring swap so bad the rear end of the car was 6" higher than the rear when I finally set it down on the ground. I definitely didn't say gently caress it at 2 am and go autox it the next day.
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Nov 5, 2023 00:21
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Is this the OSHA thread now
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Nov 5, 2023 00:30
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never have i ever driven my friends truck to go buy acid and pizza only to leave the lights on at the pizza place and kill the battery. never have i ever then hooked up some jumper cables backwards and fried the fusable link leaving my buddy with a dead truck for months because i was too embarrased to tell him what i had done
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Nov 5, 2023 02:15
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Never have I ever had a bad parking brake and made sure to park my vehicle where it had nowhere to roll. Because never have I ever learned to do this because once I parked said vehicle in a hilly lot then came out an hour later to find it spanning two spaces on the opposite side of the parking area from where I parked it. That jeep 4.0L I-6 was very unhappy about having been turned backwards couple dozen times but it still fired up. Hypothetically, of course. Since it never happened.
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Nov 5, 2023 02:44
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honda whisperer posted:Never have I ever had my clutch cable snap 5 miles from home and unplug the clutch switch so I could start it in first and crunch my way home. The same car that didn't almost kill me was an 88 Accord - no clutch switch on Accords until the 1990 model year.  I definitely didn't use the starter to move it around the parking lot after the timing belt broke either.Shifty Pony posted:Never have I ever had a bad parking brake and made sure to park my vehicle where it had nowhere to roll. Because never have I ever learned to do this because once I parked said vehicle in a hilly lot then came out an hour later to find it spanning two spaces on the opposite side of the parking area from where I parked it. Never did I ever have a Saturn with a broken parking brake cable. That 2.2 Ecotec also wasn't too pleased, for the same reasons. Hypothetically. Never did I ever chase the drat thing a few houses away when reverse still wasn't enough to hold it. Never forgot to aim the wheels toward the curb either.
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Nov 5, 2023 07:07
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when i was a shithead 16 year old i tried to pass someone on the soft shoulder of a 35mph street. said soft shoulder culminated in basically a ramp and i had all four wheels of a 1988 Oldsmobile Delta 88 off the ground. this sort of thing below but baby blue with a dark blue landau top. the thing was a tank, my mom borrowed it and fell asleep behind the wheel on the interstate and took out a sign. My sister borrowed it and hit a deer. cosmetic damage both times. looked like a gigantic piece of poo poo after all that, but still ran like a top. 
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Nov 6, 2023 01:27
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Nov 6, 2023 05:15
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It still holds air, it's fine
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Nov 6, 2023 08:13
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Fresh racing slicks
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Nov 6, 2023 08:56
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When you want your IRL car to have those RTX reflections too.
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Nov 6, 2023 10:08
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Dr.Smasher posted:Is this the OSHA thread now insufferable conversation so you just scroll through it for the GIFs? yep
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Nov 6, 2023 12:37
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https://i.imgur.com/d7tCEew.mp4
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Nov 7, 2023 20:35
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You shouldn't run the afterburners that long.
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Nov 7, 2023 20:43
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 DANGER TO MANIFOLD
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Nov 7, 2023 20:50
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Can someone explain this failure mode honest? Is that running rich and burning fuel in the exhaust?
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Nov 7, 2023 21:45
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Nov 7, 2023 21:55
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Wasabi the J posted:Can someone explain this failure mode honest? Is that running rich and burning fuel in the exhaust? Isn’t it more than just running rich but like a cylinder or 2 not getting spark so it’s just burning in the exhaust?
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Nov 7, 2023 22:03
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Wasabi the J posted:Can someone explain this failure mode honest? Is that running rich and burning fuel in the exhaust? Likely either a fuel injector that's stuck open dumping gobs of gas into the cylinder or something failed in the ignition system causing the cylinder not to fire. Or both because the excess fuel from a stuck injector has fouled the plug.
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Nov 7, 2023 23:23
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Yep to all above.
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Nov 8, 2023 00:30
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C-Bangin' it 
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Nov 8, 2023 01:39
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chrisgt posted:Likely either a fuel injector that's stuck open dumping gobs of gas into the cylinder or something failed in the ignition system causing the cylinder not to fire. Or both because the excess fuel from a stuck injector has fouled the plug. I helped a buddy change plugs on a 1982 F-250 w/ the 460 V8 and misrouted the wires. After a hard start and letting it run (badly) for a minute, we figured it out. By that time the entire exhaust system was red hot. Gotta be careful working on something with two people. Communication is key.
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Nov 8, 2023 06:10
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Catalytic thieves cannot steal my unit if it's melting or running as a pulsejet 
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Nov 8, 2023 15:53
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Colostomy Bag posted:Yep to all above. AND they're probably hammering the throttle because it's running like dogshit.
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Nov 8, 2023 22:26
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Nov 10, 2023 05:09
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Parents had two Chevettes. Anyone who knows about Chevettes (god help you) know the floorboards rusting out was a very common occurrence. My old man would drive poo poo into the ground. And hey, back then, when an "American" car hit 60K it was basically trashed. So anyways, his 78 Chevette had a giant hole in the floor, which was somewhat covered by carpeting that of course was being worn through as well. One day driving to work he dropped his sunglasses and they fell through the floor. He turned around to get them and realized he ran them over.
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Nov 10, 2023 13:49
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dp
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Nov 10, 2023 13:49
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Colostomy Bag posted:Parents had two Chevettes. Easy to push-start
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Nov 10, 2023 13:59
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Yabba dabba doo
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Nov 11, 2023 03:57
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I went to inspect my S10 yesterday (fully expecting a fail but it passed with no problems) and the dude in front of me had his SAAB 9-5 wagon up for inspection. The inspector got to the front end and started going "oh dear... how in the... oh dear....". Turns out the whole subframe was basically held up by the suspension struts. The front bushings had no bolts in them, and the rear and top bushings had completely torn. The inspector could twist the whole subframe with one hand. Needless to say it was declared unsafe and the guy wasn't even allowed to drive it home.
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Nov 14, 2023 07:09
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a bicycle does not fit in the bed of the cybertruck
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Nov 14, 2023 20:38
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Jesus, I've never looked at one of those close enough to see how tiny the rear window is.
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Nov 14, 2023 20:47
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it's okay, the whole roof is glass just like you want on a pickup
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Nov 14, 2023 20:54
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sleepy.eyes posted:Jesus, I've never looked at one of those close enough to see how tiny the rear window is. It doesn't matter, since the tonneau cover normally blocks it completely. That tonneau cover being deployed will also be absolutely necessary to get the stated range.
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Nov 14, 2023 21:12
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`Nemesis posted:a bicycle does not fit in the bed of the cybertruck It also won't fit in the bed of any of the other 4 door pickups with tiny beds running around (most of them)
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Nov 14, 2023 21:42
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Sagebrush posted:it's okay, the whole roof is glass Coming soon, the cybertruck cyber headache rack
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Nov 14, 2023 21:45
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Sagebrush posted:it's okay, the whole roof is glass Panoramic sunroofs have been a thing in trucks for about a decade now. It's in the right thread.
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Nov 14, 2023 21:50
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