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Messages 1668 - 1697 of 2119   Oldest  |  < Older  |  Newer >  |  Newest
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1668
A number of problems with flywheels--stratospherically expensive, require heavy kevlar ballistics containment, good on power density but not so good on energy...
Paul Schwiesow
pschwiesow
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Dec 1, 2006
5:31 pm
1669
... require ... so good ... Expense is logarithmic. The more energy you want a flywheel cost, the more expensive it becomes. 100,000 RPM is FAST! Depending on...
Fred
imageitevery...
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Dec 1, 2006
6:13 pm
1670
Hmmm--I sure wouldn't mount 'em anywhere near the wheels. Take a gyroscope and try to move it out of its plane of motion suddenly, by tipping it toward the...
Paul Schwiesow
pschwiesow
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Dec 1, 2006
11:48 pm
1671
Hi All, I just joined this group. I bought a running '86 suzuki samurai I would like to know if these small jeeps have been converted to electric power by...
tiponite
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Dec 2, 2006
1:49 am
1672
The fuel economy is one thing I'm wondering about. One thing that I've seen that I wish was more common was giving the fuel consumption per KwHour rating. I'm...
lilbob52876
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Dec 2, 2006
1:51 am
1673
... Tim, have you ever run an arc welder outside when the ground is damp? They only work at around 100V and will give you a fair old belt. Don't disparage...
Greg Locock
greglocock
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Dec 2, 2006
1:58 am
1674
Ok Paul... I have a beef with you on this... Any... and I do mean ANY form of power you chose to power a car with will have the same amount of energy... now...
Timothy
flytcher
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Dec 2, 2006
3:00 am
1675
Most engine manufactures don't provide fuel usage without a fight. If you could find a fuel map it would provide more than a fuel curve. I contacted SWRI about...
Ed Danzer
ed_danzer
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Dec 2, 2006
4:41 am
1676
Ermm, ummm… Lead acid batteries have an energy density of around 0.04 kwH / kg. Gasoline is around 14.0 kwH / kg. NiMH batteries are around 0.1 or perhaps...
Paul Schwiesow
pschwiesow
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Dec 2, 2006
5:22 am
1677
... gyroscope ... it toward ... that could ... The gyro would be mounted on the same plane as the rotating wheels and mounted far away from the turning wheels....
Fred
imageitevery...
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Dec 3, 2006
1:37 am
1678
I think flywheels are the wrong solution, but here's my 2c. Bearings - a turbo spins at 100000 rpm (roughly) so there is no particular problem with high speed...
Greg Locock
greglocock
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Dec 3, 2006
2:32 am
1679
Still don’t like mounting the axes horizontal. Buy a $5 gyroscope and see what you think. It seems to go up and down (along the axis) OK, and round and about...
Paul Schwiesow
pschwiesow
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Dec 4, 2006
6:52 am
1680
... and see ... round ... Next time your at the toy store, buy a toy car or motorcycle with a ripcord for power or the evil knievel stunt motorcycle with the...
Fred
imageitevery...
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Dec 4, 2006
4:28 pm
1681
The gyro would actually dampen any front to back rocking and side to sdie rocking.it would stablize not destablize the motion. Just like motorcycle wheels make...
GWMobile
geopass2001
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Dec 4, 2006
7:49 pm
1682 Paul Schwiesow
pschwiesow
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Dec 4, 2006
10:13 pm
1683
Well, I admit I see something in your arguments. I do note that my Evel Knievel motorcycle just goes in a straight line, though. (What did they call those...
Paul Schwiesow
pschwiesow
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Dec 4, 2006
10:15 pm
1684
The gyroscopic effect is imperative in heavy motorcycles. They are not 50 pound bikes. ... www.GlobalBoiling.com for daily images about hurricanes,...
GWMobile
geopass2001
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Dec 4, 2006
11:03 pm
1685
NO... a gyro would transfer that force 90' is all... law of gyroscopic procession... so if you cut down a steep hill the car would roll to one side... or it...
Timothy
flytcher
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Dec 5, 2006
11:40 pm
1686
... Gyroscopic effect is MASSIVE on a motorcycle... (I have ridden them for 37 years now.. and now ride a 750cc honda...) heavy, light it's all a matter of...
Timothy
flytcher
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Dec 5, 2006
11:52 pm
1687
All power lines have insulators that disperse the rain, the higher the voltage, the longer the insulator. You should take the time to visit with someone who...
Ed Danzer
ed_danzer
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Dec 6, 2006
5:54 am
1688
the ONLY commercial application of EMB's (ElectroMechanicalBattery) that i came across after months of search, discussion, deliberation, surfing and serching...
pk sharma
pksharmakolkata
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Dec 6, 2006
5:59 am
1689
... http://www.aspes.ch/faq.html Here are a a few gyro cars from the past. http://www.dself.dsl.pipex.com/MUSEUM/TRANSPORT/gyrocars/schilovs.htm ...
Fred
imageitevery...
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Dec 6, 2006
2:57 pm
1690
Peekay's conclusions are similar to those I reached. I didn't know the expectation was full power for only 3-12 seconds--I thought it was longer than that. I...
Paul Schwiesow
pschwiesow
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Dec 6, 2006
5:18 pm
1691
Hi, I'm Fr. Francis The big thing about flywheels are centrifugal forces that would interfere with turning (if big enough) and great wear on bearings as the...
Charles Francis Schmidt
revcharles_9...
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Dec 11, 2006
6:33 am
1692
I'm just looking for some concensus info here. I've been working on drawings and figurings for some time now and I'm interested in peoples opinions on how...
lilbob52876
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Dec 21, 2006
9:05 pm
1693
... on ... how ... a ... OK Size- ... overall ... build ... Weight is almost directly proportional to the shadow area of a car, so you are going to have to be...
Greg Locock
greglocock
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Dec 21, 2006
9:17 pm
1694
I was comparing what I hope to build to the efficiency of a Toyota Prius, which has a system most similar to what I hope to use. The Toyota is rated at around...
lilbob52876
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Dec 23, 2006
4:04 am
1695
I'd love to see what you can achieve but for a start why not take a look at a brand new car in Europe called the ACREA Zest It's 3.2m long 1.5m wide and weighs...
tigger
tiggsaviates
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Dec 23, 2006
4:04 am
1696
Interesting. I don't know how far you'd get with a micro car in the USA, but it certainly shows how to build a lightish car. Note they are claiming 4.7...
Greg Locock
greglocock
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Dec 23, 2006
4:13 am
1697
ok...I hate V's just so you know where I stand up front... but V's are very over rated and very inefficient... they still need high rpm's to deliver any kind...
Timothy
flytcher
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Dec 23, 2006
2:12 pm
Messages 1668 - 1697 of 2119   Oldest  |  < Older  |  Newer >  |  Newest
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