Building a “C-Class” Catamaran

Discussion in 'Multihulls' started by Nordschleife, May 23, 2021.

  1. Erwan
    Joined: Oct 2005
    Posts: 414
    Likes: 22, Points: 18, Legacy Rep: 97
    Location: France

    Erwan Senior Member

    Sorry RX,
    I didn't understand, I was thinking about a carbon tube made by filament winding or mandrel wrapping.

    Cheers
     
    rxcomposite likes this.
  2. Steve Clark
    Joined: Jul 2004
    Posts: 205
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    Location: Narragansett Bay RI

    Steve Clark Charged Particle

    Speculation is futile. ETS wing main spar was not built with TPT. Garden variety pre pregnant according to my recollection. The wing was brutally heavy… in the order of 90 kg when’s 75 is the target.
    But that isn’t really the point. Instead of starting with nothing. There are usable parts that can be used to get to the fun stuff faster.
     
  3. upchurchmr
    Joined: Feb 2011
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    Location: Ft. Worth, Tx, USA

    upchurchmr Senior Member

    You can lead a horse to water but you can't make him drink.
     
  4. Erwan
    Joined: Oct 2005
    Posts: 414
    Likes: 22, Points: 18, Legacy Rep: 97
    Location: France

    Erwan Senior Member

    Thank you Mr Clark,
    That was the missing information, to have the full picture
    In other words, their trade-off between diameter and weight was far from optimum.

    This small diameter main spar was appealling, as I made an analogy between C-Cat spars and windsurf masts which are either
    SDM (Standard Diameter Mast) and RDM (Reduced diameter Masts) the smaller diameter having a thicker wall, which leads to similar weight.
    I candidly though they have been following the same path, with similar outcome.

    Cheers
     

  5. oldmulti
    Joined: May 2019
    Posts: 1,343
    Likes: 711, Points: 113
    Location: australia

    oldmulti Senior Member

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