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**D.C.G...Before/After**

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Comments

  • #122
    celtic10000
    Registered Users Posts: 92 ✭✭celtic10000


    Did anyone actuly measure the dihedral angle for either planes (B-3) or Surface Geometry (C-3) ?


  • #123
    Osric
    Closed Accounts Posts: 22 ✭Osric


    celtic10000 wrote: »
    Did anyone actuly measure the dihedral angle for either planes (B-3) or Surface Geometry (C-3) ?

    For b-3, I got 76-ish for the angle
    For c-3, I got 124 or something like that
    For h (b-3) I got 48 mm


  • #124
    celtic10000
    Registered Users Posts: 92 ✭✭celtic10000


    Osric wrote: »
    For b-3, I got 76-ish for the angle
    For c-3, I got 124 or something like that
    For h (b-3) I got 48 mm

    i got like 85 degrees for c-3 but i had no clue what i was doing :P was the 48mm taken from plan as the distance between D and F ?


  • #125
    NegativeCreep
    Closed Accounts Posts: 4,351 ✭✭✭NegativeCreep


    Did anyone else love convention centre question? I thought it was really hard at first glance but it turned out to be really easy!


  • #126
    MattHelders
    Registered Users Posts: 303 ✭✭MattHelders


    NegativeCreep wrote: »
    Did anyone else love convention centre question? I thought it was really hard at first glance but it turned out to be really easy!

    Yeah, it was fairly simple. Except I did the semi-elipse at the bottom using the concentric circles method. Only realised after I did it that you had to use the elements. Nearly ran out of time because of it


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  • #127
    Lynchy747
    Registered Users, Registered Users 2 Posts: 167 ✭✭Lynchy747


    KatieODea wrote: »
    What I did anyway was I made a profile of the land above the line PQR, you know, like you were looking at it as an elevation and it looked like a load of hills. Then I found the lowest point on the land (it was between the two 50 contour lines) and took that straight down and that was the point of vertical bore hole. That could be terribly wrong, but I hope I was right.

    That's exactly it. You've just made me realise how wrong I was :D


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