Text 8753, 84 rader
Skriven 2006-12-13 10:22:54 av Dave Drum (1:18/200)
     Kommentar till en text av Glen Jamieson
Ärende: VISITORS  61205
=======================
On 12-05-06 GLEN JAMIESON Scribbled to DAVE DRUM about VISITORS  61205

GJ>Correct in that the fuel is drawn into a spark-ignition engine as
GJ>droplets, but the heat of compression vapourises them and mixes them
GJ>with the air before ignition occurs, and the flame front travels
GJ>rapidly through the combustible mixture.   A diesel, otoh, has the
GJ>fuel injected directly into the cylinder head in the form of fine
GJ>droplets, which ignite and burn when they hit the hot, compressed
GJ>air.

GJ> DD> I am not by any means an engineer - as Glen is - just a pretty
GJ> DD> good  backyard mechanic who made my 337 cu in engines run
GJ> DD> competitively with stuff up to 512 cu in. And competed
GJ> DD> successfully with a 200cc motorcycle  in a 250cc class. So, I do
GJ> DD> have a pretty good idea of what I am talking  about here.

GJ>Although the power output of a given size of engine has been
GJ>encreasing steadily over the years, by factors of 10 or more, mainly
GJ>by increasing the engine revs, but the main ways to reduce fuel
GJ>consumption are by minimising heat lost to engine cooling systems,
GJ>and increasing the expansion ratio of the hot gases which do all the
GJ>work. That high expansion ratio of diesels (16:1 or more) is one of
GJ>the main reasons why they give a better mileage than internal
GJ>combustion engines (8:1 or thereabouts).

Internal combustion is an inherently inefficient process WRT to getting 
the most thermal efficiency (work) from a volume of fuel.

The improvements of efficiency in Diesel engines has been dramatic over 
the past 25 or so years. The main reason for the high compression ratios 
of Diesel cycle engines is the use of the heat of compression to ignite 
the fuel.

The BTU content per unit volume increases as the specific gravity 
increases. The BTU content of a unit volume (gallon or liter) of diesel 
fuel is higher than that of gasoline, and the BTU content of No. 2-D 
diesel fuel is generally higher than that of No.1-D diesel fuel. The BTU 
content of No. 2-D diesel fuel is typically about 130,000 BTU/Gal.

Only 6,000 BTU higher than regular gaz-o-lina.

MMMMM----- Recipe via Meal-Master (tm) v8.06
 
      Title: Big Ruby Duke's Peachadillies
 Categories: Fruit, Pastry
      Yield: 36 servings
 
      1 pk Fluffy white frosting mix
      1 c  Flour
    1/3 c  Oil
      1 c  Peach preserves
    1/4 ts Cinnamon
      1 c  Almonds; chopped fine
 
  Prepare frosting mix as directed on the package. To half of
  the frosting mix, add flour and oil. Pat into bottom of a
  greased 13' X 9" pan. Bake at 350oF for 10 minutes. Spread
  with preserves. Fold cinnamon and almonds into the remaining
  frosting and spread over preserves. Bake 25 to 30 minutes
  longer or until topping is golden brown. Cool a bit. Cut
  into bars.
  
  Makes 36 Bars
  
  FROM: White Trash Cooking II; Ernest M. Mickler; 10 Speed Press
  
  MM Format by Dave Drum -- 26 July 2002
 
MMMMM

ENJOY!!!
--------
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