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Search: Posts Made By: Titanium48
Forum: Miscellaneous Tech 09-08-2006, 07:59 PM
Replies: 48
Views: 8,603
Posted By Titanium48
Re: Basic Engine Operations

That wasn't me...but it was funny.



Yes, you are right. In the example when I suggested that humid air was more dense "all else" was not equal. The humid air was 10C cooler and the absolute...
Forum: Miscellaneous Tech 09-06-2006, 09:24 PM
Replies: 48
Views: 8,603
Posted By Titanium48
Re: Basic Engine Operations

I never said air didn't have weight, but that doesn't mean it makes you weigh more. Water is much denser than air and most people have negative weight in water (they float). You can dive 10m under...
Forum: Miscellaneous Tech 09-06-2006, 05:01 PM
Replies: 48
Views: 8,603
Posted By Titanium48
Re: Basic Engine Operations

Atmospheric pressure is exerted equally in all directions so it will NOT affect the weight of an object directly. The only effect is due to buoyancy. You are correct about the effect of moving away...
Forum: Miscellaneous Tech 09-06-2006, 03:36 PM
Replies: 48
Views: 8,603
Posted By Titanium48
Re: Basic Engine Operations

The atmospheric pressure effect is due to buoyancy and is very small (less than a pound difference between sea level and vacuum) and opposite in sign (you are lighter at sea level).



Sea level...
Forum: Miscellaneous Tech 09-06-2006, 04:57 AM
Replies: 48
Views: 8,603
Posted By Titanium48
Re: Basic Engine Operations

Gasoline octane and diesel cetane ratings are inversely related. Straight chain hydrocarbons are easy to ignite and have low octane / high cetane ratings (n-heptane is the 0 for the octane scale,...
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