Viewing 37 posts - 1 through 37 (of 37 total)
  • If lateral movement is side to side..
  • eulach
    Full Member

    what is the equivalent for up and down? Vertical doesn’t quite cut it. Perpendicular? But that suggests relationship to another predetermined line? And while we’re at it – back and forwards?

    LadyGresley
    Free Member

    Fore and aft??

    Northwind
    Full Member

    verteral. And longeral.

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    hilldodger
    Free Member

    Bouncing 🙂

    pnik
    Full Member

    LONGITUDINAL.?

    Onzadog
    Free Member

    Radial.

    Onzadog
    Free Member

    What are we actually discussing anyway?

    eddiebaby
    Free Member

    Should all be covered by Roll yaw pitch climb\descend accelerate/brake and errrr… go sideways?

    eulach
    Full Member

    Northwind has clearly been on the soup (or is überclever).
    Lady Gresly can stick her nautical terms up her yacht.
    And when my bike yaws, I know I’m in trouble – no need for that much airtime.
    LONGITUDINAL looks like a winner for back and forth, though.
    So a word that decribes movement within the vertical plane?

    brakes
    Free Member

    altitudinal?

    brakes
    Free Member

    elevational?

    cheekyboy
    Free Member

    Reciprocating

    glasgowdan
    Free Member

    Fore and aft

    eulach
    Full Member

    So we have lateral, longitudinal and altitudinal movement across the three dimensions.
    The fourth and fifth dimensions can wait for another thread and glasgowdan can sail away with lady gresley in a beautiful pea green boat.

    tillydog
    Free Member

    So a word that decribes movement within the vertical plane?

    That’ll be ‘vertical’ then 😉

    jambalaya
    Free Member

    I’d say the three are lateral, longitudinal and vertical – so as per above

    squirrelking
    Free Member

    And while we’re at it – back and forwards?

    LONGITUDINAL looks like a winner for back and forth, though

    But isn’t. The word you are looking for is axial.

    And the movement up and down would still be lateral, just in a different plane.

    tillydog
    Free Member

    But what about transverse? Is it the same as lateral?

    (And ‘axial’ implies an axis, so might better be paired with ‘radial’, which also implies an axis…:O)

    tillydog
    Free Member

    Front to back
    Side to side
    Up and down

    There! 🙂

    squirrelking
    Free Member

    Transverse relates to orientation (as opposed to longitudinally), think engines.

    Yes axial and radial imply an axis, how else do you set a datum for the movement?

    JoeG
    Free Member

    Reverse cowgirl! 😛

    timba
    Free Member

    Shirley longitudinal goes with latitudinal rather than lateral???

    paladin
    Full Member

    Up and down movement is ‘heave’.

    cloudnine
    Free Member

    Dorso ventral movement

    Rich_s
    Full Member

    If “wobble” is sideways, “wibble” must be the opposite direction, shirley?

    wallop
    Full Member

    Jiggle

    teasel
    Free Member

    Surely it’s vertical if we’re talking bike/frame movement.

    richmars
    Full Member

    There are only 6 types of movement.
    X, Y and Z translations, along 3 mutually perpendicular axis, and the 3 rotations about these axis.
    So you define where X, Y and Z are, then it’s easy. For example, movement is a translation in X, or a rotation about Y.

    Simple.

    welshfarmer
    Full Member

    Surely Longitudinal Latitudinal and altitudinal only pertain to points on the earth’s surface and are constrained by datums (Greenwich Meridian, Equator, Sea Level). If you want to define movement relative to an obvious direction of travel, then front to back, side to side and up and down would suffice. Any other, more scientific definition within space would need movement to be defined relative to the XYZ axis as above.

    fourbanger
    Free Member

    What does lateral imply that vertical doesn’t?

    Rich_s
    Full Member

    There are only 6 types of movement.
    X, Y and Z translations, along 3 mutually perpendicular axis, and the 3 rotations about these axis.
    So you define where X, Y and Z are, then it’s easy. For example, movement is a translation in X, or a rotation about Y.

    With all your postulating about X, Y and Z I think you have forgotten about the key direction in mtb’ing – W. Where the W stands for Wobble.

    Simples

    joshvegas
    Free Member

    Up and down? Thats just plane normal.

    matt_outandabout
    Full Member

    Front to back
    Side to side
    Up and down

    brakes
    Free Member

    Front to back
    Side to side
    Up and down

    this is also how I tell my 3-yr old to wipe his bum.

    welshfarmer
    Full Member

    Having had time to think about this, I feel side to side should be replaced with left to right in order to remove any cause of ambiguity.

    BigJohn
    Full Member

    Linear

    richmars
    Full Member

    With all your postulating about X, Y and Z I think you have forgotten about the key direction in mtb’ing – W. Where the W stands for Wobble.

    No.
    Wobble is just a (probably) sinusoidal motion in one direction, say Y, while moving in the X direction.
    Keep up please!

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