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#92
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Taya Chain
On Friday, September 8, 2017 at 1:07:23 PM UTC-7, Joerg wrote:
On 2017-09-08 08:18, wrote: On Thursday, September 7, 2017 at 12:40:37 PM UTC-7, Doug Landau wrote: On Thursday, September 7, 2017 at 8:26:26 AM UTC-7, wrote: On Wednesday, September 6, 2017 at 5:25:33 PM UTC-7, Doug Landau wrote: On Wednesday, September 6, 2017 at 1:29:59 PM UTC-7, Joerg wrote: On 2017-08-28 15:59, AMuzi wrote: On 8/28/2017 4:28 PM, wrote: On Monday, August 28, 2017 at 1:59:20 PM UTC-7, Joerg wrote: On 2017-08-28 13:43, sms wrote: I replaced the chain that I broke on Saturday with one I had in my garage that I must have purchased five to ten years ago. It has a connecting link and it says "Taya" on it. It's for 6,7,8 gearing. It seems okay, but I think that this is the first time I've used a chain with a connecting link since childhood. I looked up Taya and it's a big Taiwanese chain manufacturer. I still have a Sachs-Sedis 7-speed chain on my road bike which I bought from a friend as NOS, for $6 which was the old sticker price (the sticker had already turned brownish). No link, mounted with hammer and anvil as usual. To my utter amazement it doesn't show any measurable stretch after over 2000mi and sometimes I really put the coals on because of our hills. Even the old Wippermann chains could not rival that. I am very religious about chain cleaning and lube though. The old 5-6-7 speed Sachs chains wore out three days after the bike was junked. The Sedis (later Sachs-Sedis) material and Delta hardening process was not only exceptional but unsurpassed down to today except for possibly Record chains. That ended with SRAM. Why is that? In the automotive world such an advance in technology is kept and further developed, not rescinded and chucked back into the dust bin. Well, usually. Simple - the motor runs quieter, and consumers buy it more readily. Hence we saw plastic teeth on timing gears. In this case, the non-hardened chains make less noise, 'cuz the edges go 'ting' less, and consumers perceive this as better shifting. ;-) Doug, some woman came around the corner, dropped her water bottle (so she says while clutching her smartphone to her breast) fished around for it and ran into the back of my parked car turning it into a pile of scrape metal and plastic. Looking for replacements I find 5 year old cars with 200,000 miles on the original motors and not only said to be running smoothly but still getting good mileage. That isn't being done with plastic gears. I picked up a 2007 with 50,000 miles on it and expect it to last my lifetime with only normal maintenance. I'm talking about the automotive scene in the 1970s, Tom. Doug, what cars used plastic gears in the '70's? Perhaps there were but at that time I was buying pretty good cars like Mustangs and Camaros with big engines in them. Not to drive fast so much as to get on the freeway ahead of people purposely trying to cut you off. Volvo, but with plastic gears there is usually no chain or belt involved: http://212.247.61.152/EU/ZF0001_bild...otor/024_s.jpg They could go pretty fast, too, especially after being souped up: https://www.youtube.com/watch?v=fqzDCkZh7fM A friend's parents had a Volvo with the plastic gear. He said when that failed it was replaced with a metal one by the dealer repair shop and afterwards the engine was noisier. When you hear that "week" as gears are shifted that puts a HUGE strain on the cam gear. Though that gear does look overbuilt all to hell. |
#93
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Taya Chain
On Friday, September 8, 2017 at 3:00:46 PM UTC-7, Joerg wrote:
On 2017-09-08 14:51, wrote: [...] ... Now I have black chain lube stains all over my hands. Interestingly it gets black when riding lots of roads. On bike paths and singletrack it doesn't turn black. I use the same lube (White Lightning Epic Ride) for the road bike and the MTB. On the MTB I don't get black hands unless I use it for valley errand rides when the road bike is down for some reason like right now. Which makes me wonder what all those bike path foes are doing to their lungs. I use white lightning as well. But I have a dozen different brands that I've tried and they're all the same. |
#94
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Taya Chain
On Friday, September 8, 2017 at 3:01:10 PM UTC-7, Doug Landau wrote:
On Friday, September 8, 2017 at 2:51:48 PM UTC-7, wrote: On Friday, September 8, 2017 at 10:20:34 AM UTC-7, Doug Landau wrote: On Friday, September 8, 2017 at 8:39:10 AM UTC-7, wrote: On Thursday, September 7, 2017 at 6:58:42 PM UTC-7, Doug Landau wrote: http://www.cadillacforums.com/forums.../t-335969.html http://forums.vintage-mustang.com/vi...-identify.html https://classicoldsmobile.com/forums...placement.html http://www.imperialclub.com/Repair/Engine/chains.htm Doug - those were not plastic gears. It was a COATING that could peel off and cause problems. Mostly they plugged the oil system. I'd be careful blaming jumped timing on the coating. Tearing through the gears drag racing would beat the timing gears to death and this normally caused the timing gear failures. I've seen a tooth broken off and the jackass still driving it with Lord only knows how the gears would work. Tom shut yer mouth willya. I towed the old family car home myself from skool, and changed the timing chain and gears; the teeth were nylon and stripped off, and the chain had hopped and the timing marks on the gears were no longer aligned, but off by one tooth. Which is why all the backfiring and spasms when it wouldn't start. If it was really a plastic gear it would have broken the other teeth off as well. It was a plastic coated steel gear. As I said - generally the worst thing that would happen is that the plastic would peel off and clog the oil system. But when new they did have a more quiet operation. These were the sorts of cars I actually worked on myself. Until I got too important to have black grease stains all over my hands. Now I have black chain lube stains all over my hands. You have old-age dementia And you were referring to American cars and not those weird fereners. American cars from the 70's and 80's didn't use plastic gears. |
#95
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Taya Chain
On Friday, September 8, 2017 at 3:13:26 PM UTC-7, wrote:
On Friday, September 8, 2017 at 3:01:10 PM UTC-7, Doug Landau wrote: On Friday, September 8, 2017 at 2:51:48 PM UTC-7, wrote: On Friday, September 8, 2017 at 10:20:34 AM UTC-7, Doug Landau wrote: On Friday, September 8, 2017 at 8:39:10 AM UTC-7, wrote: On Thursday, September 7, 2017 at 6:58:42 PM UTC-7, Doug Landau wrote: http://www.cadillacforums.com/forums.../t-335969.html http://forums.vintage-mustang.com/vi...-identify.html https://classicoldsmobile.com/forums...placement.html http://www.imperialclub.com/Repair/Engine/chains.htm Doug - those were not plastic gears. It was a COATING that could peel off and cause problems. Mostly they plugged the oil system. I'd be careful blaming jumped timing on the coating. Tearing through the gears drag racing would beat the timing gears to death and this normally caused the timing gear failures. I've seen a tooth broken off and the jackass still driving it with Lord only knows how the gears would work. Tom shut yer mouth willya. I towed the old family car home myself from skool, and changed the timing chain and gears; the teeth were nylon and stripped off, and the chain had hopped and the timing marks on the gears were no longer aligned, but off by one tooth. Which is why all the backfiring and spasms when it wouldn't start. If it was really a plastic gear it would have broken the other teeth off as well. It was a plastic coated steel gear. As I said - generally the worst thing that would happen is that the plastic would peel off and clog the oil system. But when new they did have a more quiet operation. These were the sorts of cars I actually worked on myself. Until I got too important to have black grease stains all over my hands. Now I have black chain lube stains all over my hands. You have old-age dementia And you were referring to American cars and not those weird fereners. American cars from the 70's and 80's didn't use plastic gears. You said mountain earlier today where you meant mounting, and in lue of where you meant in lieu of, and I'm telling you, when the plastic teeth break off, then the timing chain skips and the car will no longer start. |
#96
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Taya Chain
On 9/8/2017 2:44 PM, wrote:
snip Then you drive conservatively. As I said, most cars do not last long after the 50,000 mile replacement recommendation. Around here the repair shops are full of repairs from broken drive belts. But remember that this is little Mexico. Very few recent vintage vehicles have a 50,000 mile replacement recommendation for the timing belt, it's now 90K-130K. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus |
#97
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Taya Chain
On 9/8/2017 6:00 PM, Joerg wrote:
On 2017-09-08 14:51, wrote: [...] ... Now I have black chain lube stains all over my hands. Interestingly it gets black when riding lots of roads. On bike paths and singletrack it doesn't turn black. I use the same lube (White Lightning Epic Ride) for the road bike and the MTB. On the MTB I don't get black hands unless I use it for valley errand rides when the road bike is down for some reason like right now. Which makes me wonder what all those bike path foes are doing to their lungs. There have been quite a few studies showing that bike commuters live significantly longer than people who use other ways of getting to work. Those studies have gotten that result consistently, even after correcting for confounding variables. So whatever road riders are doing to their lungs, it appears to be beneficial overall. Cut the "Danger! Danger!" crap, Joerg. -- - Frank Krygowski |
#98
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Taya Chain
On 9/8/2017 3:06 PM, Joerg wrote:
O Same with the tires BTW. They had 60k miles, still half the tread but were well past 10 years. Looked good buy common recommendations state that means it's time to buy new tires. Try _that_ with a bicycle tire. 60,000 miles on the tires and they still had half the tread left? Meaning your car tires would last 120,000 miles if they weren't too old? Joerg, you need someone to edit your fantastic claims, to give them at least a _hint_ of plausibility. -- - Frank Krygowski |
#99
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Taya Chain
On Friday, September 8, 2017 at 6:52:52 PM UTC-7, Frank Krygowski wrote:
On 9/8/2017 3:06 PM, Joerg wrote: O Same with the tires BTW. They had 60k miles, still half the tread but were well past 10 years. Looked good buy common recommendations state that means it's time to buy new tires. Try _that_ with a bicycle tire. 60,000 miles on the tires and they still had half the tread left? Meaning your car tires would last 120,000 miles if they weren't too old? Joerg, you need someone to edit your fantastic claims, to give them at least a _hint_ of plausibility. Joerg needs to learn that tires have a shelf-life. http://www.tiresafetygroup.com/tires...-in-six-years/ It's not just about tread wear. I defended a death case involving tread separation on a tire that had more than half its tread left. Bicyclists would be outraged if their tire tread fell of and killed them! I can't believe what car owners put up with. They should make car tires as durable as bike tires! And for a dollar. No, make that $.50. -- Jay Beattie. |
#100
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Taya Chain
On Fri, 8 Sep 2017 08:32:31 -0700 (PDT), wrote:
On Thursday, September 7, 2017 at 6:36:10 PM UTC-7, John B. wrote: On Thu, 7 Sep 2017 08:09:27 -0700 (PDT), wrote: On Wednesday, September 6, 2017 at 5:11:09 PM UTC-7, John B. wrote: I think that you are confusing reality with your own fantasies. In years past I have worked with two engineers who had worked in the automobile industry. They both said the same thing, that the major effort in the motor industry was to "make it cheaper". Gee then it must be the government forcing manufacturers to make cars safer since the fatalities per passenger mile have dropped so precipitously. You mean like when the government ordered that bumpers must withstand an impact of 5 mph crash into a parked vehicle of the same weight? Which isn't applicable to SUV's, minivans, or pickups trucks; only passenger cars. Apparently trucks and vans never crash. But of course, that was a stupid law imposed in 1971. More thoughtful folks amended it in 1982 (for 1983 model year) and reduced it. John, my wife's older Keo tells her if a tire is low. Is that by government edict? My car warns me if my gas is getting low so that I won't run out on the freeway. Was that a government edict? We are getting small sedans not only swerving in front of tractor trailers but being struck so hard that they are doing multiple roll-overs with the cars totally unrecognizable afterwards and NO INJURIES to the passengers. What are the government edicts? You have to wear your seatbelts. Yup. Really necessary devices... Amazingly I have had access to a motor vehicle WITHOUT the devices you mention for (lets see....) sixty-nine years, as of this month, and unbelievably I have never had a flat tire because I failed to check my tires and I've never "run out of gas on the freeway" (or anywhere else). My wife, who has only had "her" car for 20 years or so also has never had a flat tire because she failed to get her tires inflated or run out of gas. -- Cheers, John B. |
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