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  1. blacksmith37

    Easy question on ASTM A 36

    I am retired and discarded all my ASTM specification books as they were obsolete. Long ago I was on most of the steel (A) committees. Recently someone told me the current ASTM A36 (19) specifies yield as "yield point" not "yield strength" ( offset 0.2 % offset ). I can't believe they would use...
  2. blacksmith37

    Relative price of gasoline and diesel

    A general question ; guesses count. In the past diesel ( aka , heater oil and furnace oil) was lower price than gasoline .In 1970 I paid near $ 0.15 / gal for home furnace oil when gasoline was $ 0.35 - I think it was $ 0.20 wholesale.no tax. Today diesel. etc is about 7% higher price than...
  3. blacksmith37

    ASME Div. 3 ???

    Been retired awhile; I recently went to a dinner meeting where the speaker often referred to ASME Div 3 : Is there one ? I suspect he meant Section 3.
  4. blacksmith37

    Hail Dent Repairs ?

    I have some limited hail damage (roughly 20) in 2004 Nissan roof and hood. When the Texas sun is on the damage it is impossible to find ;in cooler temps they return. I have heard stories about using dry ice and alcohol to "pull out" dents. Anyone have a reccommendation ?
  5. blacksmith37

    MPG loss with 10% ethanol---

    Theoretically there should be a 3% loss of MPG when going from gasoline to 10% ethanol. I have recorded every tankful MPG for 115,000 miles. A few yrs ago our rural was required to add 10% ethanol (to buy corn belt votes), so I have 70,000 of MPG with real gasoline and 65,000 miles with 10%...
  6. blacksmith37

    Automotive automatic transmission temperature ?

    I am looking for typical and maximum allowable automatic transmission (oil) temperatures; specifically for a contemporary pick-up truck - 5 ratio + torque converter.
  7. blacksmith37

    What is "shale oil" ?

    Decades ago "shale oil" was kerogen and production required mining/crushing ,or fire flood (maybe steam flood /huff +puff) as in Exxons shutdown project near Rifle CO. In the media today there are some stories that make shale oil production sound like shale gas production (horozontal wells...

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