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Bournville June 2nd 2019, 10am
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Norwich MBC Submariners joint Model Boat weekend - 27/28th July

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Latest topics

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» Pinger 3 - Distance measurement (Triangulation, Transponders and Clocks on Board)
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» Arduino proportional control of a piston tank
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    Moebius Skipjack

    salmon
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    Post  salmon on Sun Nov 25, 2012 9:39 pm

    Alright Richard, I will try to breath without hyperventilating.

    Giovanni, if I understand the picture correctly, Ron has the plunger portion of the piston move up and down the threaded rod instead of the threaded rod being pulled in and out.


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    Post  Giovanni LiCalsi on Sun Nov 25, 2012 9:46 pm

    I understand that but it would be nice to see how fast it moves the water and see the gears.
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    Post  Tom(ADMIN) on Sun Nov 25, 2012 9:58 pm

    According to Ron's calculations, both tanks working in unison will be capable of statically submerging the boat in just over three seconds...bit too quick for a proper scale effect, but I can slow that down from the tx. But, it'll be nice to be able to dive that fast should I have to get under quickly to avoid some of our surface skippers...


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    Post  Giovanni LiCalsi on Sun Nov 25, 2012 11:07 pm

    Sounds very efficient.
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    Post  Tom(ADMIN) on Sun Nov 25, 2012 11:46 pm

    And here's the next part of the module, the motor box. Although not fitted when this picture was taken, it does have a geared drive, 2:1 I think.


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    Post  Tom(ADMIN) on Mon Nov 26, 2012 8:16 am

    It would appear that I got it wrong... The plan is for a 2:1 reduction, in line gearbox, running in the flood area.
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    Post  Tom(ADMIN) on Mon Nov 26, 2012 1:39 pm

    No boring pictures of holes today...suffice it to say that there are only five more slots to open up. Just five more...
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    Post  salmon on Mon Nov 26, 2012 5:49 pm

    Giovanni wrote:I understand that but it would be nice to see how fast it moves the water and see the gears.
    Sorry Giovanni I misunderstood your posting.


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    Post  Giovanni LiCalsi on Mon Nov 26, 2012 6:36 pm

    That's ok.
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    Post  Tom(ADMIN) on Tue Nov 27, 2012 3:41 pm

    In the words from the movie Apollo 13..."Houston...we have a problem"


    Ron went to assemble the module this morning and discovered that there's not enough room to install the SALCON. Much bad language and more flexing of my poor flexible, and I've had to buy a mini leveller from MicroGyros. Oh well...these things are sent try us.

    Moebius Skipjack - Page 4 Ast210

    The module should be here next week, by that time I should have finished the flood slots and assembled the hull in readiness.


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    Post  profesorul on Tue Nov 27, 2012 4:39 pm

    HI,
    I am sorry: what's the "SALCON"?!.

    RICHARD do You think is possible to make a short video with the piston tank working.I can't figure at out from the picture?.

    P.S. can You guide me to find some cheap plastic propellers?.

    THANK YOU,
    MARIUS
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    Post  Tom(ADMIN) on Tue Nov 27, 2012 5:56 pm

    profesorul wrote:HI,
    I am sorry: what's the "SALCON"?!.

    RICHARD do You think is possible to make a short video with the piston tank working.I can't figure at out from the picture?.

    P.S. can You guide me to find some cheap plastic propellers?.

    THANK YOU,
    MARIUS

    Marius...SALCON is an auto leveller for the rear planes.
    Submarine Automatic Level Control

    There will be a video coming along very soon, soon as it's done I'll post it here.

    What size propellers? How many blades? What thread do you need?
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    Post  profesorul on Wed Nov 28, 2012 3:18 pm

    THANK YOU RICHARD,


    Well,let's see:
    -I need a propeller suitable for the Trumpeter SEAWOLF 1/144.I give up .... is too small scale and can not reproduce the system!!!.I guest want him in the the water soon as possible!!!.
    -how many blades,I relay don't know....at least to look as closer as possible;
    -thread,this is something I know: M3 or M4(metric).

    MARIUS


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    Post  Tom(ADMIN) on Wed Nov 28, 2012 4:22 pm

    Ok, all you disbelievers...here is the very first test run of the Skipjack module as made by Ron.






    http://m.youtube.com/#/watch?feature=youtu.be&v=fMS5mRZjB5A&desktop_uri=%2Fwatch%3Fv%3DfMS5mRZjB5A%26feature%3Dyoutu.be
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    Post  Tom(ADMIN) on Wed Nov 28, 2012 4:25 pm

    Marius, send me your home address please.
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    Post  salmon on Wed Nov 28, 2012 4:37 pm

    Richard(Admin) wrote:Ok, all you disbelievers...here is the very first test run of the Skipjack module as made by Ron.
    http://m.youtube.com/#/watch?feature=youtu.be&v=fMS5mRZjB5A&desktop_uri=%2Fwatch%3Fv%3DfMS5mRZjB5A%26feature%3Dyoutu.be

    Need paper bag.... I am hyperventilating!
    That is so stink'n cool. Goose bump kind of cool. Can't wait to see you in the water with that!


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    Post  Tom(ADMIN) on Wed Nov 28, 2012 4:59 pm

    It'll be even better when it's all fitted into the cylinder and nice and tidy. Ron's done a superb job in my opinion, I'm well pleased with it, Tom.
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    Post  profesorul on Wed Nov 28, 2012 6:42 pm

    HI,
    You have a PM SIR.

    MARIUS
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    Post  profesorul on Wed Nov 28, 2012 6:47 pm

    Richard(Admin) wrote:Ok, all you disbelievers...here is the very first test run of the Skipjack module as made by Ron.






    http://m.youtube.com/#/watch?feature=youtu.be&v=fMS5mRZjB5A&desktop_uri=%2Fwatch%3Fv%3DfMS5mRZjB5A%26feature%3Dyoutu.be

    I don't know what is happening with the address because when I tray to open there is a lot of other videos but not what I want to see!!!.

    MARIUS
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    Post  Tom(ADMIN) on Wed Nov 28, 2012 7:19 pm

    Try this link Marius..

    http://s181686668.onlinehome.us/phpBB3/viewtopic.php?f=4&t=11234. And go to the last page, last posting.


    About your prop...give me a day or two, and I'll post you something.
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    Post  profesorul on Wed Nov 28, 2012 8:38 pm

    I sow the video but I'm more confused!.
    I wheel make a hand sketch to explain what I want to say

    Take Your time.I am not in a hurry.

    MARIUS.


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    Post  Tom(ADMIN) on Fri Nov 30, 2012 3:26 pm

    And here, ladies and gentlemen, is the completed module fresh off of Ron's slipway. A thing of beauty...

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    Post  profesorul on Fri Nov 30, 2012 5:21 pm

    It Is a BEAUTY ended.
    But looks very big from these perspective!.
    All those empty space inside the WTC,wheel be fill with electronic stuff?!.

    MARIUS
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    Post  Tom(ADMIN) on Fri Nov 30, 2012 5:40 pm

    It's not that big, Marius, just over 24" in length and 3" in diameter.

    Not shown in the picture is the motor box, Ron forgot it when he took the picture!

    The black section you can see is for all the electronics...three servos, esc, fail safe for the pistons, auto leveller, rx, main battery pack, let's hope it all fits!
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    Post  Giovanni LiCalsi on Fri Nov 30, 2012 6:37 pm


      Current date/time is Fri Apr 26, 2019 5:42 am