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We Were Warned in 1998
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We Were Warned in 1998
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We Were Warned in 1998
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05-13-2008, 10:59
Post: #11
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We Were Warned in 1998
You'd be better off to just do a veggie conversion with a start-up/shut-down diesel tank
if you want to burn veggie. Veggie burners have their issues too, but at least they're not snake oil 
On Tue, May 13, 2008 at 6:55 PM, Al <"al@pcambulance.net"> wrote:
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05-13-2008, 11:01
Post: #12
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We Were Warned in 1998
Sounds pretty definitive. Thanks Al.
BradBarton00LXiDFW bbartonwx@...
Windows Live SkyDrive lets you share files with faraway friends. Start sharing. |
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05-13-2008, 11:23
Post: #13
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We Were Warned in 1998
IF you have a supply of clean consistent quality veg oil, you can run it strait after it is heated to 160 degrees before the pump. It's goes like this, ya start on dino fuel, then change over to veg when it's up to temp. The fuel tank is heated by coolant via a copper coil in the fuel tank. Reverse the process for shut down. Idle long enough to displace the veg oil in the pump and lines with dino fuel. Obviously this requires two tanks, but it seems like the best way to use veg oil to me. The problem with breaking down the viscosity of the veg oil is consistency. Making bio with all the right equipment and experience is a good thing. However, the 'quick and dirty' additive programs make me very nervous. It only takes one major problem that screws up your fuel system to knock all the potential saving out of the park for years.
Using veg oil is a worthy activity, but it takes commitment and tenacity. Most folks are better off just payin' the price for the dino fuel.
MH
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05-13-2008, 12:27
Post: #14
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We Were Warned in 1998
I find them interesting, especially from a moderate distance. They wouldn't bother me. However, the several large windmill farms (Altamont Pass in the SF Bay Area) have discovered that they're a significant hazard to birds. It seems that the birds of prey are attracted to the fields beneath the wind mills. The fields are kept trimmed, reducing cover for the rodents, etc. so the falcons, eagles, etc. come for easy meals -- but they don't always realize that the blades are turning and a lot of birds are getting killed.Â
Also, since were in the "Pacific flyway" for migrating birds, there are also some ecological fall out from that. There are certain times of year when the wind mills are not operated because of the risk to the birds. Always lots of unintended consequences... Pete Masterson '95 Blue Bird Wanderlodge WBDA 42 El Sobrante CA "aeonix1@mac.com" On May 13, 2008, at 11:13 AM, Ryan Wright wrote:
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05-13-2008, 12:34
Post: #15
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We Were Warned in 1998
One good thing about the migration to larger and larger turbine units is that as the blade diameter goes up, the RPM goes down.
At some point in that progression, they will probably cease to be much of a danger to birds. I saw some blades being trucked across Texas last week that were easily 125 to 150 feet long and 3 or 4 feet in spoke diameter where they attached to the hub. I wouldn't have wanted to be the trucker trying to maneuver those loads Average wind velocity rises with the height above ground, so taller and taller towers with bigger and bigger turbines are definitely the future. I think the big ones make much less annoying noise also, much lower frequency. -Dorn 77FC35 Hogansville, GA On Tue, May 13, 2008 at 8:27 PM, Pete Masterson <"aeonix1@mac.com"> wrote:
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05-13-2008, 13:29
Post: #16
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We Were Warned in 1998
On 5/13/2008 at 8:34 PM Dorn Hetzel wrote:
>One good thing about the migration to larger and larger turbine units is >that as the blade diameter goes up, the RPM goes down. > >At some point in that progression, they will probably cease to be much of a >danger to birds. Might be a wash. Double the diameter, halve the RPMs, and have a blade tip speed that is exactly the same. However I suspect it is the big blades that cause the greatest grief. Consider a big one around 5 RPM, so a blade goes by (3-bladed) every 4 seconds. Sort of like a bird flying low across the road where cars are passing every 4 seconds (and the bird gets hit). They would never consider it if the gap between cars was a tenth of a second. Don Bradner 90 PT40 "Blue Thunder" Posting today by satellite from Wenatchee, WA |
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05-14-2008, 17:24
Post: #17
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We Were Warned in 1998
On Tue, May 13, 2008 at 5:27 PM, Pete Masterson
> > The fields are kept trimmed, reducing cover for the rodents, etc. so > the falcons, eagles, etc. come for easy meals -- but they don't always > realize that the blades are turning and a lot of birds are getting killed. Fact is, they don't kill that many birds in the grand scheme of things. The Altamont Pass turbines are the worst offenders - these are an old design placed right into the path of migratory birds. New designs kill far fewer birds. Still, the death rate is infinitesimally tiny compared to other sources: In the United States, cars and trucks wipe out millions of birds each year, while 100 million to 1 billion birds collide with windows, compared to an average of 2.19 bird deaths per turbine per year. (source: http://www.treehugger.com/files/2006/04/...sconce.php) So, it's not that we don't care about birds, but the problem has been blown way out of proportion. Even so, researchers are actively trying to reduce bird deaths and they're succeeding: Compare the old turbine design: http://images.usatoday.com/tech/_photos/...s-main.jpg With the new: http://www.currykerlinger.com/images/pic...es150L.jpg The new are much prettier, and the blades are huge and blunt and move very slow, thus being much safer for birds. The new design are the style they've put in around my city. In the end, though, none of this electricity business helps our RVs. It's great for cars - new battery technologies will make EVs or parallel-hybrids a wise choice for a lot of us in the very near future. Average expected cost to power a Tesla Roadster is only a penny per mile. Even my 70-mpg hybrid Honda Insight costs twenty times that at $3.50/gallon gas. So I'll snap up an electric car as soon as I can buy one for the cost of a normal car. But, in order to push my old Wanderlodge down the road, someone's going to have to develop Mr. Fusion... You couldn't put enough batteries on board to pull this old beast more than a couple of miles. -Ryan '86 PT-40 8V92 |
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