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Author Topic: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...  (Read 6773 times)

Krishna

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its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« on: September 14, 2012, 09:05:23 AM »

Good morning all respected Modelers.. it was my long dream to complete a big craft to my personal collection of RC boats.. and started making big crafts mostly above 3.5 to 4 feet span.. but this one is in to 5 feet length, because big is beautiful.. this one is 100% scratch built, and not used even a piece of plywood or balsa.. when completed the hull became stiffer than balsa hull but weighs half than a same sized balsa or wooden hull.. this craft is not a direct copy of MISTRAL itself.. but i added lots of my personal touch in the craft.. the first one is the elimination of the same second Stearn wheel situated at the top of the cabin.. and this craft is fully equipped with modern electronics include the CBW system.. this allow the captain to operate this craft with his day-today laptop as guidance instrument, navigation in all weather.. and for a luxury craft an open cabin is not a safe.. so added two heavy doors to cabin.. still this craft is not detailed fully.. i will complete those with a little time as now i am tied up in some commissioned model projects.. will add the LCD screens in cabin, and revolving seat for Captain with joy stick.. figures are in que and will complete as i gets time.. so here i starts.. so we will find that how easy to make a big beautiful craft .. this craft is not based on plans.. but i used only 3 views.. and scaled to 5 feet...

i started with 1 inch thick thermocol sheets.. (expanded polystrene)..
laminated with marine glue.. with weights.. you can simply see the size of the block as one floor tile spans 1 foot square each..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #1 on: September 14, 2012, 10:25:49 AM »

block is well dried.. now time for scaling and shaping...
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #2 on: September 14, 2012, 10:36:22 AM »

basic sketch for every thing.. include engine noise and audio player..and started shaping..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #3 on: September 14, 2012, 10:37:29 AM »

almost final shaping.. time for treatment..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #4 on: September 14, 2012, 10:39:58 AM »

started tissue works.. all simple inexpensive tissues...
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #5 on: September 14, 2012, 10:40:52 AM »

after needed depth of tissue started putty works.. this time i thanking to Mr Vinod for the help of putty scribing, and he taught me a new simple way to get a neat finish with putty without adding ample of weights..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #6 on: September 14, 2012, 10:41:53 AM »

putty work in progress...
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #7 on: September 14, 2012, 10:42:37 AM »

after the completion of the hull i started making props.. the props made by aluminum sheets from a vessel lid, both designed to rotate each other in phase.. because i know none of any commercial props can beat our own tested hand made props..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #8 on: September 14, 2012, 10:43:18 AM »

now props are ready.. the outer tubes are ball point pen bodies with SS bushes each end..no water leaks and long time of life..fixation on craft..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #9 on: September 14, 2012, 10:44:10 AM »

at any angle the panels are uniform.. if not this will act as a brake instead of steering control..

one of the unique feature of this craft is its bow pump.. so this craft can turn in 360 degree from stand still without any main propulsion.. so it is easy to turn.. always.. within her's length.. or half within her's length with reverse.. is a must for big crafts.. easy to control..so, here you can see the prop tube of the thrust pump at bow..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #10 on: September 14, 2012, 10:45:41 AM »

pump motor.. is reworked 12 volt motor for greater torque than RPM.. simple installation with foam board.. and here is the switching.. means, up to a certain degree while turning, the thrust pump will not come in to play and craft will turn with natural rudders.. but when we apply full stick to any direction, the servo arm instantly arms the switches switching on the pump motor in desired direction.. so instant turn at all speeds..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #11 on: September 14, 2012, 10:46:32 AM »

so, now time to test run.. the first test run with twin RS 550 motors became a great failure.. motors together dropped more than 25 Amps and motors were heating up like heating element of a heater.. instead of propelling the craft.. battery was exhausted within some countable seconds.. so disappointing.. so, turning back to the work table.. and i clearly realized the value of my own works on motor prop combinations.. so, painfully plucked all fittings and made the hull free.. and i realized one more thing that this lighter craft need not two shafts but need one.. the craft weighs about 4.7 Kilograms when complete despite her's sheer size.. and she is not a baby.. but she is bigger to me..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #12 on: September 14, 2012, 10:47:37 AM »

now priamy coat of paint is complete.. and started working on deck.. used all foam board panels to depict the wooden deck..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #13 on: September 14, 2012, 10:48:15 AM »

nearing completion.. see here how easy to work.. and nothing is used here as expensive or rare.. all handy materials.. hand rails were made of brass rods.. and stangenzes were made of foam board..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #14 on: September 14, 2012, 10:49:04 AM »

railing is completed.. the main mast is taken from an old kit spare of sail boat..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #15 on: September 14, 2012, 10:49:37 AM »

and two old mobile phone head phone cases came as induction ports.. now time to further works..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #16 on: September 14, 2012, 10:50:25 AM »

the deck is painted in wooden brown, is a light matte paint..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #17 on: September 14, 2012, 10:51:15 AM »

and after painting all port doors were attached with filter glass while adding L E D s to each slots..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #18 on: September 14, 2012, 10:51:49 AM »

time to build super structure.. the main cabin first..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #19 on: September 14, 2012, 10:52:37 AM »

almost complete..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #20 on: September 14, 2012, 10:53:14 AM »

now painting time.. same wooden brown.. and instead of white hood i finished her with silver hood..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #21 on: September 14, 2012, 10:54:00 AM »

now lights on.. all based on L E Ds.. because to save the battery..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #22 on: September 14, 2012, 10:54:42 AM »

added all with high intensity L E Ds.. and action time.. i am a little sad, because the lake mouths are opened by authorities because of heavy rains last days to avoid flooding of the region.. so very less water..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #23 on: September 14, 2012, 10:55:29 AM »

so with the helps of my Friends i turned to our traditional grad home pool.. so cramped space for this huge craft.. but no any other way..
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Krishna

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Re: its my 5 feet long MISTRAL LUXURY MOTOR YACHT...
« Reply #24 on: September 14, 2012, 10:56:12 AM »

she is not a baby again.. she is bigger than me..
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