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  • Users: Grue
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  1. Grue

    Flattening a flight of a screw conveyor

    Sorry to disagree, the layout of the flight IS a drawing problem requiring triangulation. By doing this you find the true size of the inside and outside "diameters", and as you say a little twist and a weld. Working with grain elevators and harvester equipment (imported) one collects a number...
  2. Grue

    Flattening a flight of a screw conveyor

    There's a discussion on this topic on http://www.thepiers.net/pn/index.php?name=PNphpBB2&file=viewtopic&t=51 I posted a sketch on http://www.thepiers.net/pdf_manual/Conveyorflight.pdf There's a cad version of the drawing on http://www.thepiers.net/pdf_manual/screwexplanation.pdf If you make...
  3. Grue

    Making a small fortune from a 2 stroke V8

    Maybe you'd like to start with a model V8 plans and castings available on my site. We have managed to get 3.2HP at 5000RPM. Specification 1/2" bore, 3/4" stroke approx 1/6 scale. Length 5 5/8", width 6 5/8", height 7/78" over air cleaner, 6 1/8" under bonnet...
  4. Grue

    >Drawing Abreviations<

    AS 1100 sH = Sheet Don't know about other standards. Grue www.metalbashatorium.com
  5. Grue

    Supersonic speed

    aerobab, Perhaps, in answering MRM's question, you would like to explain, briefly, in simple terms, what changes occur to the airflow over an aircraft as it approaches the speed of sound. Was I wrong in saying that "The atmosphere follows those principles when a body is travelling through...
  6. Grue

    Supersonic speed

    Bernoulli's principle is valid for all fluids. The atmosphere follows those principles when a body is travelling through it until the airflow reaches the speed of sound. Air acts as a fluid and therefore is incompressable at speeds below the speed of sound but when a body travels at speeds...
  7. Grue

    information for air craft turbines.

    There are a number of links on www.metalbashatorium.com/links.htm in the aircraft section that will answer most of your questions. Grue
  8. Grue

    How to quickly I.D. a part as Magnesium

    AC 43.13-1b Advisory Circular can be downloaded in pdf format from http://www.moneypit.net/~pratt/ac43/ Glenn. www.metalbashatorium.com
  9. Grue

    K-factor and bend allowances

    The most acceptable formula for calculating bend allowance, and used throughout Aussi aviation industry is BA= 2 pi x (inside radius + half thickness) x angle of bend in degrees / 360, as a formula 2 x 22/7 x (R + T/2) x A/360 if you are working on outside radius formula becomes 2 x 22/7 x (R -...

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