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, Papplewick Pumping Station Easter Sunday & Monday 1,2 April 2018

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. ,Alfold Charity Model Boat Show, 2nd & 3rd June 2018

.Norwich MBC Weekend 28,29 July 2018

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.Barrow in Furness MBC, Sub Day and Regatta,Sunday 2nd September 2018.

,The Model Show,Poynton, Stockport (with swimming pool) 15,16th September 2018

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    Tom(ADMIN)
    AMS Forum Owner

    Posts : 2992
    Join date : 2010-11-05
    Age : 58
    Location : Nevada, USA

    Please read this..

    Post  Tom(ADMIN) on Tue Jul 10, 2012 7:59 am

    Hi all,

    Just received this email..can anybody offer this chap any assistance? Please reply direct to him at p.aishni@gmail.com





    Hello,

    I am working on my physics extended essay at school for which I need to make around 15 to 20 model submarines to conduct experiments. The experiment will require the submarine to propell underwater at fixed depth from one end of a swimming pool to the other.

    Their mass and the material with which they are made must remain constant. However, I shall be changing the shape and the hull texture (tread pattern) with a motive to relate and compare them with the tread pattern in the skin of five fastest fish in the world. Hence I need to make five model submarines each with different shape and five other model submarines which will have different tread patterns on their hull.

    I researched a lot online and I haven't gotten anywhere yet. Could you please suggest an easy method to make these submarines (at least a material that can sink and remain at a constant depth and that can be moulded?) They all must propell with the same power hence I was thinking if I could use waterproof dc motors.

    Looking forward to hearing from you soon.

    Thank you,

    Aishni Parab

      Current date/time is Sat Feb 24, 2018 8:21 am