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#31
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I get 3 miles per banana, do you?
In ,
Opus Be skeptical all you want, I forgot the exact number of hours the test requires the engine to stay at full power, but several manufacturers have used those test results to project 100.000 mile record runs, particularly Subaru and Benz. That's 100,000 miles at full power only stopping for gas or diesel, driver changes every 4 hours as required by the FIA for safety, and oil changes and air filter replacement. The used to allow for spark plug changes, but as I haven't been involved in that kind of testing in more than 20 years I don't know what the rules are for changing spark plugs. I know that when Subaru did their record attempt they changed spark plugs at 50.000 miles but that was last century. Benz' last attempt was with a diesel so they didn't have any plugs to change. http://www.fia.com/sport/Regulations/Records/lists.html -- Dave Larrington http://www.legslarry.beerdrinkers.co.uk Hanging from the lamppost on the corner of the street. |
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#32
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I get 3 miles per banana, do you?
On Mar 26, 7:55*am, Opus wrote:
On Mar 25, 4:58 pm, " wrote: snip I looked around and saw a lot of pages touting "certified SAE Horsepower" but I did not find anything that actually stated the actual testing procedure without paying for it. *I am highly skeptical that a gasoline automobile motor could last 15 minutes on a dyno at full power where as it quite well established that a commercial diesel motor can do this for hours even days on end... Jon Jon Be skeptical all you want, I forgot the exact number of hours the test requires the engine to stay at full power, but several manufacturers have used those test results to project 100.000 mile record runs, particularly Subaru and Benz. That's 100,000 miles at full power only stopping for gas or diesel, driver changes every 4 hours as required by the FIA for safety, and oil changes and air filter replacement. The used to allow for spark plug changes, but as I haven't been involved in that kind of testing in more than 20 years I don't know what the rules are for changing spark plugs. I know that when Subaru did their record attempt they changed spark plugs at 50.000 miles but that was last century. Benz' last attempt was with a diesel so they didn't have any plugs to change. Opus This is really off topic but full power for over a long period of time doesn't mean accelerating and slowing as one does in a fast moving car but rather continuous full output at maximum rpm as one can do in a truck climbing a grade or boat/ship on a long voyage. I am skeptical that you could put a "400hp" motor out of an SUV or sedan, gear it correctly so that it could maintain maximum rpm and maximum HP and have it actually put out that 300hp hauling an 80,000 pound rig up the GrapeVine.. Think about that the next time you see an unloaded semi breeze by you at 75mph up a long 6% grade and then realize that truck weighs around 30,000 lbs. Jon |
#33
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I get 3 miles per banana, do you?
On Mar 26, 9:56*am, " wrote:
On Mar 26, 7:55*am, Opus wrote: On Mar 25, 4:58 pm, " wrote: snip I looked around and saw a lot of pages touting "certified SAE Horsepower" but I did not find anything that actually stated the actual testing procedure without paying for it. *I am highly skeptical that a gasoline automobile motor could last 15 minutes on a dyno at full power where as it quite well established that a commercial diesel motor can do this for hours even days on end... Jon Jon Be skeptical all you want, I forgot the exact number of hours the test requires the engine to stay at full power, but several manufacturers have used those test results to project 100.000 mile record runs, particularly Subaru and Benz. That's 100,000 miles at full power only stopping for gas or diesel, driver changes every 4 hours as required by the FIA for safety, and oil changes and air filter replacement. The used to allow for spark plug changes, but as I haven't been involved in that kind of testing in more than 20 years I don't know what the rules are for changing spark plugs. I know that when Subaru did their record attempt they changed spark plugs at 50.000 miles but that was last century. Benz' last attempt was with a diesel so they didn't have any plugs to change. Opus This is really off topic but full power for over a long period of time doesn't mean accelerating and slowing as one does in a fast moving car but rather continuous full output at maximum rpm as one can do in a truck climbing a grade or boat/ship on a long voyage. *I am skeptical that you could put a "400hp" motor out of an SUV or sedan, gear it correctly so that it could maintain maximum rpm and maximum HP and have it actually put out that 300hp hauling an 80,000 pound rig up the GrapeVine.. Think about that the next time you see an unloaded semi breeze by you at 75mph up a long 6% grade and then realize that truck weighs around 30,000 lbs. Jon correction: I meant to write "I am skeptical that you could put a "400hp" motor out of an SUV or sedan, gear it correctly so that it could maintain maximum rpm and maximum HP and have it actually put out that 400hp hauling an 80,000 pound rig up the GrapeVine.." |
#34
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I get 3 miles per banana, do you?
Hey, we get some data from a railroad!
CSX says 423 miles for 1 ton of cargo for 1 gallon of fuel. They even claim human powered bicycles get infinite miles per gallon! But WE know they forgot the extra calories needed to do the pedalling! http://www.youtube.com/watch?v=_1TPBR6rSSg |
#35
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I get 3 miles per banana, do you?
On Mar 26, 9:24 pm, wrote:
Hey, we get some data from a railroad! CSX says 423 miles for 1 ton of cargo for 1 gallon of fuel. They even claim human powered bicycles get infinite miles per gallon! But WE know they forgot the extra calories needed to do the pedalling! http://www.youtube.com/watch?v=_1TPBR6rSSg I love that cargo trike they show pulling the really big trailer full of bananas. Opus |
#36
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I get 3 miles per banana, do you?
In article ,
ComandanteBanana writes: Yes, it is easily possible to use more gas getting fruit from the store to your house than it took to get it from the field to the produce aisle. That this isn't an obvious result is a bit surprising to me: you can't spend much on fuel when the fruit costs less than a dollar at retail. But you must remember, goods movement is highly inter-modal. *Those watermelons going across the Pacific Ocean have to be offloaded by motorized cranes, and moved around by all kinds of motorized vehicles before they ultimately end up in the supermarket or green grocer's. *And then ports generally have a bunch of security personnel, supervisors and other staff driving around. I think both moving a 5 ton SUV to the supermarket and shipping a watermelon from foreign lands is wasteful, and directly responsible for Climate Change, a stupid foreign policy in the Middle East, as well as starving the local farmers, among other evils. So you're against international trade. *I assume that includes shipping North American goods, produce, medical supplies, etc overseas. No, I'm against Globalization when it means losing American jobs to China or Mexico. So am I, but international trade doesn't necessarily always boil down to Corporate Globalism. Besides, you're ranting against fossil-fueled vehicles in general (the very things that bring your beloved bananas to your local green grocer's) and how you get 3 miles per banana as opposed to burning fossil fuels, not macro-economics. You're overlooking how your bananas got to your marketplace in the first place. I hope they're Fair Trade bananas. But they'd still need fossil-fueled vehicles to convey them to market. -- Nothing is safe from me. I'm really at: tkeats curlicue vcn dot bc dot ca |
#37
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I get 3 miles per banana, do you?
On Mar 28, 1:41 am, (Tom Keats) wrote:
snip You're overlooking how your bananas got to your marketplace in the first place. I hope they're Fair Trade bananas. But they'd still need fossil-fueled vehicles to convey them to market. -- Nothing is safe from me. I'm really at: tkeats curlicue vcn dot bc dot ca That's why as much as possible we have to move the things that can move themselves without fossil fuels so that things that can't move themselves can be moved with burning something, fossil fuels, used cooking oil, refried sewage, whatever it takes to keep things moving. I can move myself without the use of fossil fuels, so I do. The more I do so the more fossil fuels we have to move things like bananas until we come up with a renewable fuels economy. Opus |
#38
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I get 3 miles per banana, do you?
In article ,
Opus writes: On Mar 28, 1:41 am, (Tom Keats) wrote: snip You're overlooking how your bananas got to your marketplace in the first place. I hope they're Fair Trade bananas. But they'd still need fossil-fueled vehicles to convey them to market. -- Nothing is safe from me. I'm really at: tkeats curlicue vcn dot bc dot ca That's why as much as possible we have to move the things that can move themselves without fossil fuels so that things that can't move themselves can be moved with burning something, fossil fuels, used cooking oil, refried sewage, whatever it takes to keep things moving. I can move myself without the use of fossil fuels, so I do. The more I do so the more fossil fuels we have to move things like bananas until we come up with a renewable fuels economy. At last, I've found a like-minded person! Well, I also care very much about our human impact on the Environment, and our fellow humans. I'm sure you do, too. Heh ... "impact." Well, I guess humanity/society ~is~ an integral part of the Environment. I know people at work who will use a propane-powered forklift to move a 10 lb box atop a 50 lb pallet across a distance of 10 feet, although there are manual pallet jacks strewn everywhere on the warehouse floor. I guess that's pretty much like driving a car a block down the street to buy a watermelon or a pack of Camels. As a public transit user, I indeed do use fossil fuels (diesel buses.) Being car-free isn't necessarily fossil fuel-free, and as a life-long non-driver I'm not about to delude myself. Fossil fuels are a boon, when used responsibly and reasonably. I just wish somebody knew where the line between responsible/reasonable use and irresponsible/unreasonable use lies. The preponderance and ubiquity of Personally Owned Motor Vehicles only serves to obfiscate that line. There are too many cars, for stuff that actually gets done. Aside from accidentally killing or maiming people. cheers, Tom -- Nothing is safe from me. I'm really at: tkeats curlicue vcn dot bc dot ca |
#39
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I get 3 miles per banana, do you?
wrote: (clip) gear it correctly so that it could maintain maximum rpm and maximum HP (clip) ^^^^^^^^^^^^^^^^^^^^^ Just a little nit: Maximum HP does not occur at maximum RPM. Since HP is the product of RPM x torque, and since torque peaks somewhere below max RPM, the HP curve peaks somewhere between the two. |
#40
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I get 3 miles per banana, do you?
From an environmental standpoint, is it better to ride your bike to the
store, eat a banana, and ride home, or to carry the banana home and then eat it? ;-) |
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