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Colostomy Bag posted:Well look what we have here everyone, someone that rains on our parade and dreams by introducing laws of thermal-dyamics. Oh at the time no one wanted it to be possible more than I did. I blame the broken laws of the universe, but there isn't much satisfaction in that.
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Mar 15, 2019 20:36
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All the *good* engines BMW ever made used traditional throttles. Coincidence?
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Mar 15, 2019 20:57
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wesleywillis posted:Uhhhhhhh What? An automotive clutch is a force opening system. The force that you apply via the clutch actuator to open the clutch is bearing on the crankshaft via the membrane plate and clutch basket, which is directly bolted to the flywheel/crankshaft. Look at it this way. You bolt a spring with a washer to a nut. If you clamp the nut in a vice and pull on on the washer to release the spring pressure, the nut has to hold the force that you apply. Depending on if you have a pushed or pulled clutch, this may get one step more complicated because of the leverage, but in the end it's just changing the direction you push the crankshaft when you open the clutch. I know this is a bit of a brainfuck because intuitively we think releasing the clutch takes the force of the pressure plate and therefore off the flywheel and crankshaft, but it's exactly the other way around. Also yeah clutch switches suck. Combat Theory fucked around with this message at 21:16 on Mar 15, 2019 |
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Mar 15, 2019 21:13
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Colostomy Bag posted:Well look what we have here everyone, someone that rains on our parade and dreams by introducing laws of thermal-dyamics. Maybe the law has changed in a decade? 
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Mar 15, 2019 21:33
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S2000 with a little dynamic weight reduction/active aero https://i.imgur.com/YgxW8IL.mp4
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Mar 15, 2019 21:47
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Good ol frp mugen replica tops. The front bolts tend to work themselves loose, front lifts, and there she goes.
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Mar 15, 2019 21:59
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Impending horrible mechanical failures: https://www.youtube.com/watch?v=jWH62imt8nw
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Mar 16, 2019 01:46
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BlackMK4 posted:Good ol frp mugen replica tops. The front bolts tend to work themselves loose, front lifts, and there she goes. I really hate stupid rules like requiring convertibles to have a top up to run.
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Mar 16, 2019 02:06
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Powershift posted:S2000 with a little dynamic weight reduction/active aero
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Mar 16, 2019 02:35
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Plus people tend to seriously underestimate the aerodynamic forces. I learned that lesson when a few splitters didn't hold up so well around the banking at cal speedway.
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Mar 16, 2019 02:41
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It's almost like it was throwing confetti right at the finish line. "I FINISHED! I FINISHED! I FINISHED! LOOK AT MEEEEEEEEEEEEEEEE *POP*"
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Mar 16, 2019 08:03
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Combat Theory posted:An automotive clutch is a force opening system. The force that you apply via the clutch actuator to open the clutch is bearing on the crankshaft via the membrane plate and clutch basket, which is directly bolted to the flywheel/crankshaft.
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Mar 16, 2019 08:11
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Powershift posted:S2000 with a little dynamic weight reduction/active aero Applying rocket staging theory to cars, I see
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Mar 16, 2019 11:53
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slidebite posted:Clutch release bearings are sealed bearings and hence always lubricated, that was what I was getting at with your mention of this earlier. You are thinking about the other side of the load path . The release bearing acts upon the membrane spring, but where does that load bear on? The crankshaft thrust bearing. Combat Theory fucked around with this message at 14:24 on Mar 16, 2019 |
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Mar 16, 2019 13:55
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Combat Theory posted:You are thinking about the other side of the load path . The release bearing acts upon the membrane spring, but where does that load bear on? That said, don't be under the impression a cold start in an engine has zero lubrication film on the bearings. Plain bearings (well, bearings in general) actually have/require shockingly little film for load zone lubrication, and the residual oil is good enough for the momentary requirement. That's why every cold starts aren't catastrophic each time.
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Mar 16, 2019 17:11
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Powershift posted:S2000 with a little dynamic weight reduction/active aero Jebediah Kerman's new ride looking spot on!
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Mar 17, 2019 02:49
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slidebite posted:I'm not disagreeing with you, I'm talking about the external release bearing. Misunderstanding from your first statement. On a lot of Ducati v-twins, oil only reaches the vertical head 60-90 seconds after start  all splash lubricated and roller bearing but still.
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Mar 17, 2019 03:05
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Slavvy posted:On a lot of Ducati v-twins, oil only reaches the vertical head 60-90 seconds after start when i bought the KTM LC4 the previous owner warned me not to go all wild on the autobahn since the entire head is only lubricated by whatever oil sticks to the chain and is thrown up there. Scary stuff.
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Mar 17, 2019 04:41
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Combat Theory posted:when i bought the KTM LC4 the previous owner warned me not to go all wild on the autobahn since the entire head is only lubricated by whatever oil sticks to the chain and is thrown up there. Scary stuff. He steered you wrong then, the lc4 has a little oil line that feeds the head to keep those precious precious roller rockers swimming. Don't know about the lc4 specifically but on the RFS you can actually change the size of a restrictor in the oil line to vary how much oil goes to the head vs gearbox. Presumably there's some esoteric ready to race reasoning behind this. There is however an old Husqvarna motor which is a two stroke bottom end adapted into a four stroke. It had a reed going from the gearbox to the crank area. Crank case pressure would build up and pump into the gearbox area via the reed, this would cause oil to gently flow up a line to the head, where it would 'lubricate' stuff then trickle back down into the bottom end.
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Mar 17, 2019 07:19
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Wow thanks Slavvy, you actually prevented me from selling the KTM for a ZX-6R which I planned for this year. But now I have to fix the oil leaks for good
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Mar 17, 2019 13:29
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ExplodingSims posted:Impending horrible mechanical failures: I hate this type of video. Just some random rear end mugging the camera for 15 minutes without saying hardly anything of value. No one loving cares about your ego, get on with the project or shut up.
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Mar 17, 2019 15:56
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Combat Theory posted:Wow thanks Slavvy, you actually prevented me from selling the KTM for a ZX-6R which I planned for this year. But now I have to fix the oil leaks for good Maybe he meant your bike specifically doesn't get any other oil to the head because it's broken?
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Mar 17, 2019 16:59
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thebigcow posted:Maybe he meant your bike specifically doesn't get any other oil to the head because it's broken? Lol, nah just a dripping seal on the kickstarter shaft but it's gotta be extracted with self tapping screws which is something I always relate to next winter break.
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Mar 17, 2019 17:05
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No. 6 posted:I hate this type of video. Just some random rear end mugging the camera for 15 minutes without saying hardly anything of value. No one loving cares about your ego, get on with the project or shut up. After wanting more top-gear-esq content, and being horribly unsatisfied watching rich kids on youtube gloating about their cars, I found Doug Demuro's channel and it's really good (i'm sure i'm going to get dog-piled for it not being good, whatever). Anyway, if you like a reasonable person's take on exotics, it's worth checking out. https://www.youtube.com/watch?v=9E0uPfIujgU
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Mar 17, 2019 19:14
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I'm in the dog pile. He tries too hard to be funny and is completely narcissistic. He was easily one of the worst writers for Jalopnik before he left.
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Mar 17, 2019 19:25
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ah, well, nevertheless.
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Mar 17, 2019 19:26
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Combat Theory posted:You are thinking about the other side of the load path . The release bearing acts upon the membrane spring, but where does that load bear on? Yeah, it's not pretty when they fail. 
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Mar 17, 2019 19:35
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LifeSunDeath posted:After wanting more top-gear-esq content, and being horribly unsatisfied watching rich kids on youtube gloating about their cars, I found Doug Demuro's channel and it's really good (i'm sure i'm going to get dog-piled for it not being good, whatever). Anyway, if you like a reasonable person's take on exotics, it's worth checking out. Doug Demuro spotted. You're allowed your bad opinion. Which is appropriate for this thread.
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Mar 17, 2019 19:48
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He's not terrible, just obnoxious as hell. After he decided to review a poverty specced Mitsubishi on the same metrics he'd review a supercar, I decided to stop consuming his content I'm pretty firmly in the "death of the author" school of art analysis, but the intended audience and message does still carry weight in judging the quality of a product
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Mar 17, 2019 20:04
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Who then is worth watching for car reviews? I'm on this insane car review watching kick.
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Mar 17, 2019 20:08
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I think Savagegeese is the best new reviewer in a long time. I know many find it boring and slow, but I enjoy the more low key way of presenting. Not to mention the high production value. Personally, I'm pretty fed up with the "HI GUYS XXX HERE HOW ARE YOU DOING TODAY WE HAVE A SPECIAL ONE BUT BEFORE WE GET TO THAT LETS TAKE A FEW SECONDS TO THANK TODAY'S SPONSOR (that everyone is sponsored by that can't possibly be that amazing but ok) OH AND DON'T FORGET TO LIKE COMMENT AND SUBSCRIBE!!!!!!!!!!" fake high energy stuff.
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Mar 17, 2019 20:14
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LifeSunDeath posted:Who then is worth watching for car reviews? I'm on this insane car review watching kick. motorweek retro https://www.youtube.com/watch?v=aqKKI8xz4Aw e: square box: an overall aerodynamic shape
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Mar 17, 2019 21:31
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MrOnBicycle posted:I think Savagegeese is the best new reviewer in a long time. I know many find it boring and slow, but I enjoy the more low key way of presenting. Not to mention the high production value. I believe his channel is a side gig to the video production he does for auto OEMs - really feels like he's doing videos for fun & to showcase his work, rather than rack up subscribers and views. e: I mean just look at what he does for a 15-year-old Chrysler. It's art. Imagine what he could do for you! https://www.youtube.com/watch?v=UQdZ2jOX1Ag&t=36s NoWake fucked around with this message at 21:42 on Mar 17, 2019 |
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Mar 17, 2019 21:37
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I like thetopher for new car reviews. He does extended drives and his videos really seem to give a feel for the vehicle, even if he isn't super technical.
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Mar 17, 2019 22:01
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Powershift posted:motorweek retro I emphatically second this, especially because I'm in love with the comparisons they run of cars that have, essentially, disappeared from the road. Because the show has been in production since 1981 ('til present day, I think) you can find a lot of gems on their channel, and most of these are forgotten relics; such as this face-off between the "econo-sport coupes" category that features the Toyota Paseo, Nissan NX1600, Hyundai Scoupe, Saturn Coupe, and Geo Storm. Plus, their conclusions and opinions are worth a laugh, too. For example, they roll their convoy onto a college campus and declare that "[...] econo-sport coupes, like our five, are a hot commodity for new graduates [...]". https://www.youtube.com/watch?v=cethHtjEJ3I Here is a comparison of the 1986 mini-truck market; https://www.youtube.com/watch?v=-NxB3c_HHws Edit; "Red SPACECAB stripes are supposed to add a more sporting look, but end up being gaudy" is one component of their Isuzu pup critique. They also review the rear passenger space in these mini-trucks and, in one cut, bang like a helpless passenger gasping for breath at a rear window that has no provision to be opened. Then they slalom. stone soup fucked around with this message at 22:30 on Mar 17, 2019 |
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Mar 17, 2019 22:04
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Back on the subject of mechanical failures. https://i.imgur.com/r8jJrQc.mp4 https://i.imgur.com/xq4HbVp.mp4 oof.
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Mar 17, 2019 22:37
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dummy torcc
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Mar 17, 2019 22:44
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Powershift posted:Back on the subject of mechanical failures. Holy crap. That must of made a goddamn huge noise
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Mar 17, 2019 22:57
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CAT INTERCEPTOR posted:Holy crap. That must of made a goddamn huge noise The sound of money exploding.
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Mar 17, 2019 22:59
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MrOnBicycle posted:I think Savagegeese is the best new reviewer in a long time. I know many find it boring and slow, but I enjoy the more low key way of presenting. Not to mention the high production value. Hey man you know how somedays you just collect a paycheck at work? YouTubers gotta eat too. Yeah, the ads are annoying and a ton of YouTubers have annoying voices or suffer from a lack of scripts, but it's too easy to tap right 5 times to the thing I want to see that's being provided for free to me by NordVPN. This has been my lukewarm defense of YouTube promotions.
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Mar 17, 2019 23:45
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