Friday, August 1, 2008

Weights


  1. Wing and stabilizer: Wing and stab components from 1 mm thick, 93 g/dm3, balsa sheet.


    Wing
    Stabilizer
    Balsa members
    0.47g
    0.11g
    Glue
    0.02g
    0.01g
    Frame
    0.49g
    0.12g
    Frame, sanded
    0.40g
    0.11g
    Covering
    0.10g
    0.03g
    Spray glue
    0.03g
    0.01g
    Frame, covered
    0.53g
    0.15g
    Dihedral added
    0.51g!?

    Wing & stab posts
    0.13g
    0.02g
    Glue
    0.09g
    0.02g
    Completed wing/stab
    0.73g
    0.19g

    Motor stick: The motor stick was made from a 3.3x9.9 mm, 110 g/dm3, balsa stick.


    Motor stick
    Basic balsa stick
    0.67g
    Wing mounting tubes (x2)
    0.03g
    Tailboom mounting tube
    0.02g
    Propeller hanger
    0.03g
    Sewing thread for reinforcement
    0.01g
    Glue, prop hanger
    0.04g
    Rear hook
    0.05g
    Glue, rear hook
    0.01g
    Completed motor stick before sanding
    0.86g
    Motor stick, finished
    0.80g

    Tail boom and fin:


    Tail boom & fin
    Balsa members
    0.19g
    Stab mounting tubes (x2)
    0.02g
    Glue
    0.03g
    Ready for covering
    0.24g
    Covering, fin
    0.01g
    Spray glue
    0.01g
    Tail boom & fin, finished
    0.26g

    Propeller:


    Propeller
    Prop blades (x2)
    0.65g
    Prop spars (x2)
    0.21g
    Hub (tissue tube)
    0.04g
    Prop axle + teflon washers
    0.07g
    Propeller, finished
    0.97g

    Completed model: 2.93g + 0.07g ballast to bring weight up to minimum 3.0 gram.

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