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Gas Saving Gizmos & Gadgets

332 messages,  Last post on Jul 20, 2009 at 12:19 PM

You are in the Automotive News & Views Forum. Your Hosts are steve_ & claires

What is this discussion about? Fuel System, Performance Mods, Fuel System, Truck, Sedan, SUV

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#326 of 332 Re: Now for something different [qbrozen] by zaken1 Apr 21, 2009 (9:44 am)
Replying to: qbrozen (Apr 21, 2009 3:34 am) I agree with both of your comments; the benefits would be limited to a momentary improvement during acceleration; which would work out to be hardly measurable in real world driving.   But this change would also have a downside; anything you do to reduce the inertia of the engine's rotating mass will result in a loss of idle smoothness, as well as making it somewhat more difficult to start from a standstill with a manual transmission. That is why engine manufacturers use heavy flywheels on engines which have a small number of cylinders (and also on engines which are cammed for high rpm power; when the engine's low speed responsiveness has been sacrificed to achieve that power).   There was a very successful drag racer who improved his quarter mile times by installing a heavier flywheel on his engine. This worked particularly well in that venue; because drag racing performance is very dependent on how fast you can start off from the line. Since these vehicles are permitted to rev the engine to a high speed in neutral before engaging the clutch; is is not as important to have instantaneous throttle response as it is to have the greatest possible amount of torque when the clutch is engaged.
#327 of 332 thanks by qbrozen Apr 21, 2009 (10:28 am)
thanks for entertaining my curiosity.   zaken - your mention of smoothness is why I've never tried one of these myself. I have read (possibly just rumors) that the difference in pulleys' weight/balance could be detrimental to the life of the bearings, as well.
#328 of 332 Dennis Lee squashed by texases Jun 02, 2009 (9:47 am)
Now that the HHO thread is (rightfully) gone, I figure this is the best place to post this link. It describes how the FTC has required Dennis Lee to stop making any claims regarding HHO. They froze his assets, too Replies to this message: gagrice (Jun 03, 2009 9:09 am)
#329 of 332 Re: Dennis Lee squashed [texases] by gagrice Jun 03, 2009 (9:09 am)
Replying to: texases (Jun 02, 2009 9:47 am) Guys like that pitch their Ponzi schemes on church goers that have trust in man kind to be honest. Think Amway. Bottom line is man is not honest by nature.   For a better understanding of man's deceptive nature, read Mark Twain's "What is Man".
#331 of 332 Re: Oops [larsb] by seamist Jul 20, 2009 (11:55 am)
Replying to: larsb (Feb 05, 2009 12:09 pm) check out this: http://blogs.tampabay.com/energy/2006/10/heres_a_truly_o.html Replies to this message: steve_ (Jul 20, 2009 12:19 pm)
#332 of 332 Re: Oops [seamist] by steve_ HOST Jul 20, 2009 (12:19 pm)
Replying to: seamist (Jul 20, 2009 11:55 am) Your link dates back to 2006 - not much breaking news about this latest home built scam kit is there?   This Turkish homemade student kit gets amazing mpg. Of course it's also cost $170,000, so far. (popsci.com)

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