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08-25-2012, 02:02 PM | #111 | |
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Mostly in agreement with you on all the above points and always enjoy our exchanges on here!!! |
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08-25-2012, 06:18 PM | #112 |
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I have determined that everyone on this thread is smarter than me because I haven't been able to follow any of this since post #10
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08-30-2012, 06:18 AM | #115 |
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They used machine to apply the sealant, not hand applied. Cheaters!!!
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08-30-2012, 05:12 PM | #117 |
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Good video. Good ol' reliable Youtube.
Seems pretty clear from the video that it is completely fair to say the engine is hand assembled. The only thing computers are doing is sealants, torquing, component tracking and data collection (of course as well as 99%+ of the component production...). Again based on the relatively low volume of engines being produced this is THE least expensive way to build these engines. MB is absolutely taking advantage of this necessity (not choice) and appealing to the race engine/hot rodding/magic of the human hands angles to market the hand built "feature". If these engines were made in substantially higher volumes they WOULD be made faster, more precisely and at a lower cost by moving away from hand built to robot/machine/computer built.
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08-30-2012, 05:13 PM | #118 |
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Of course not, it is too expensive!
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09-01-2012, 04:05 PM | #119 |
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Here's how I see it. On an assembly line (BMW, Porsche, Ferrari) everyone does the same task over and over every day, they know that job inside, outside, and upside down, heck they probably dream about it! If you have one person building the whole thing (apparently AMG) with no division of labor you don't have specialization. I'm sure the AMG guys are good, but I'd rather have 10 people specializing in their small individual tasks than 1 person building the whole thing.
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09-01-2012, 05:03 PM | #120 |
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Very good point. That probably would increase speed, efficiency and result in higher quality. It may be balancing potential boredom vs. efficiency though.
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09-01-2012, 05:07 PM | #121 |
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Several people in this forum have already corrected me and explained that it would not be particularly expensive to measure and keep track of piston sizes, and offer them up as each cylinder is precision measured.
Last edited by bruce.augenstein@comcast.; 09-01-2012 at 05:25 PM.. |
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09-01-2012, 09:37 PM | #122 |
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I suppose it is relative, it would certainly add time and cost. Exactly how much is largely speculative by the vast majority of folks here on this forum. MB either decided it was too expensive, did not offer benefits based on the existing precision of their parts or some combination of cost/benefit was not high enough.
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09-03-2012, 02:06 PM | #123 |
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how ugly their wife is...bahahahahahaa:lol :
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09-03-2012, 08:18 PM | #124 |
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Off tangent but on parallel that many can relate with...
In the watch world many will pay(myself included) a huge premium to have an in house movement over an eta movement. Absurd? Sort of considering a Casio g shock is about as accurate as a watch can get. People find value in different things.
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09-03-2012, 09:27 PM | #125 | |
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In this specific case though wouldn't both the fundamental manufacturing and assembly techniques be nearly identical? Or do some of the smaller movement manufacturers do all hand assembly vs. machine assembly by ETA? Sort of like an engine though I would image hand made components are also basically non-existent. If this is the case then it appears you are paying only for rarity or brand. Nothing essentially wrong with either but personally I would place more intrinsic value in rarity. Similarly with accuracy - some would claim that nothing trumps accuracy for an item like a watch but there certainly are many reasons to covet and value watches with much less accuracy than a Casio.
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09-03-2012, 10:38 PM | #126 | ||
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Notice that the connecting rod on the cap has a 2D bar code on it. That bar code can contain lots of information that "MAY" be used to ensure the pistons, rods, crank and blocks are picked in a matched set........ Or........ it could just be a part number. |
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09-04-2012, 09:05 AM | #127 | |
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On the other hand, mentioning that sort of activity essentially declares that there are variations in the manufacturing/machining processes, which might make a casual viewer wonder about quality control. That settles it. Swamp has to go visit the plant and bring back The Truth! Bruce |
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09-04-2012, 01:56 PM | #128 |
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I saw that QR code on the rod and thought it was interesting. It can indeed contain quite a lot of data. I actually suspect it is being used precisely to store more information than just a part number. A regular bar code would be fine for just a part number that thus making a QR going overboard. My speculation though it that it does not contain individualized dimensional information.
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