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Sleddy

47.8k FlyingThings  7.4 years ago

Thats me trying to build like Sleddriver. It flies currently shitty because i have no idea how he does that.

General Characteristics

  • Created On Android
  • Wingspan 41.4ft (12.6m)
  • Length 32.8ft (10.0m)
  • Height 8.2ft (2.5m)
  • Empty Weight 17,634lbs (7,998kg)
  • Loaded Weight 37,140lbs (16,846kg)

Performance

  • Power/Weight Ratio 1.452
  • Wing Loading 43.8lbs/ft2 (213.6kg/m2)
  • Wing Area 848.8ft2 (78.9m2)
  • Drag Points 7557

Parts

  • Number of Parts 28
  • Control Surfaces 4
  • Performance Cost 169
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    11.3k SWAGDADDY7
    7.4 years ago
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    11.3k SWAGDADDY7

    The challenge challenge u got 2nd

    7.4 years ago
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    47.8k FlyingThings

    @SWAGDADDY7 what challenge?

    7.4 years ago
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    11.3k SWAGDADDY7

    You won a challenge

    7.4 years ago
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    47.8k FlyingThings

    @SWAGDADDY7 did you loose a bet?

    7.4 years ago
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    47.8k FlyingThings

    @SledDriver ok, thanks, i will keep trying. Its actually fun to build like that.

    7.4 years ago
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    197k SledDriver

    @FlyingThings Excellent effort. That's more or less how I started. You just need to get smoothly blended curves. Here's how I used to do it:

    your central section's frontScale and rearScale is, say, 60 x 10
    For the next section, subtract 0.1 from the height, getting 60, 9.9
    For the next, subtract 0.2, getting 60, 9.7
    Next, subtract 0.3, getting 60, 9.4
    Next, subtract 0.4, getting 60, 9

    This will give you a smoothly increasing slope, i.e. a curve. Then at some point you'll want to reduce the slope again to blend into the wing. So start decreasing the decrement. Let's say you want to start reducing the curve when your decrement is 0.9:

    For the next section, subtract 0.8
    For the next section, subtract 0.7
    For the next section, subtract 0.6

    and so on. This will give you a nice S-shaped curve wherever you use this technique.

    To recap: the decrements you're applying to successive sections will look like this:

    0.1, 0.2, 0.3, 0.4, 0.5, .... 0.5, 0.4, 0.3, 0.2, 0.1

    I might make a tutorial on how to make planes fly well, if enough people are interested. It's actually quite simple, once you understand the (very few) rules.

    7.4 years ago
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    13.9k Fjorge

    @FlyingThings Haha lol

    7.4 years ago
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    47.8k FlyingThings

    @SledDriver here is my try.

    7.4 years ago