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    StuartE
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    Member No.#5371
    RegisteredπŸ“…11th Jan 2019
    Last OnlineπŸ“…28th Sep 2021
    CityπŸ“Surbiton
    CountryπŸ‡¬πŸ‡§United Kingdom
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    Liked LiPo Batteries and Charging problems 2 months ago
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    Rosalie - Fairey Huntsman 31
    This model was started in December 2018 and finished at the end of May 2019. All built by myself and only the second RC Boat I've made. It's ready for its maiden voyage in open water in the next 3 days and cant wait!
    (Working Vessel) Mowe 2
    I hadn't build a RC model for over 45 years, so as a 60th Birthday present my wife bought me this Aeronaut Mowe 2 kit, complete with all the RC equipment; motor, servo, transmitter and receiver, ESC unit etc. It was a great kit to build and took me about 3 months from start to finish. The hull was a bit tricky, but a tube of P38 and lots of sanding, re-filling with light balsa filler, re-sanding, finishing and painting and patience won through! Not a brilliant finish, but an ideal boat to get my hand back-in to modelling. When sailing, the boat needed a bit of ballast in the form of 2 old AA batteries in the bow to keep it stable and level in the water at speed! (ESC: Aeronaut) (8/10)
    Recent Posts
    πŸ“ Almost complete Superstructure
    29 days ago by StuartE ( Chief Petty Officer 2nd Class)
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    Again...sorry for the delayed update on this build....time seems to go so quickly that I have no time for myself!
    Anyway, much progress has now been made on the superstructure and all is complete bar adding the 2 lifeboats which I'm now starting to build. These sit on top of the support brackets you see in the pictures, either side of the funnel.
    I'm getting better at detailing and painting now, but still room for improvement, and some "touch up" required in places. Everything is small and fiddly and even with small tweezers my big fingers get in the way and cant seem to get things straight and perfect fitting. Once the lifeboats are built them its back to the main hull planking, but not really looking forward to that. Thanks for all the advise thought, I'll try a couple and see if it improves the flexibility of the willow planks.
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    πŸ“ Superstructure progress..
    2 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    I am really losing my patience with planking as cannot seem to get planks to line up with each layer going around complex curves at bow and stern, and planks dont seem to be too flexible for this and broken a few, so decided to leave alone for now and concentrate on the superstructure.
    This is coming along quite nicely.... the engine cover is almost complete and am pleased with the main control room and the teak planking so far. A long way to go yet, but taking my time!😊
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    πŸ“ LiPo Batteries and Charging problems
    2 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    Hi Chris,

    The boat is in my harbour as I ran a build blog here on this site for it over a year ago. Fairey Huntsman - Roaslie.
    The ESC I used was an Mtroniks G2 Hydra15, which I dont think has a cut-off system, but I'll check the instruction booklet or look up on the website.
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    πŸ“ LiPo Batteries and Charging problems
    2 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    Hi all......an update!
    I bought the GIANT battery charger as has been suggested and connected both dead LiPo's, one at a time. The first one connected gave a cell charge of 0.88V and 0V and the second 1.03V an 0.34V.
    I first tried a Balance charge on each of the batteries and the Charger responded immediately with a Voltage error. I then tried a fast charge and after 25mins, the battery cells would only charge to 1.3V and 0.8*V. neither battery would charge any higher.
    So am I right to assume they are now both unchargeable and disposable?
    I did buy another 4000mH 7.4V 2S and that charged nicely on balance charge to 4.1V from 3.4V and used it for about 30mins in the Huntsmann. I noticed performance drop and quickly bought the boat back.
    Once at home, I put the battery on the charger and both cells were down to 3.2V, so charged them to storage charge before putting away for next outing.
    Thanks for all your help guys!
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    πŸ“ LiPo Batteries and Charging problems
    3 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    What is the website address Rowen?
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    πŸ“ LiPo Batteries and Charging problems
    3 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    Thank you all so much for your responses....Dave, you are correct. Being new to using LiPo's and modelling, i used the batteries straight out of the box as you say, they appeared totally charged and worked well in the Huntsmann.

    Both LiPo's have balanced charge leads.

    I do have a multimeter stored away in the shed somewhere, so I'll dig it out over the weekend and see what the Voltage is.

    If I read correctly, if the voltage is below 3.5V then there is no way it will charge and that is why there is a flashing error led on the chargers?

    Unfortunately, I dont have a local club nearby or know anyone else who does Modelling apart from you guys on this site that I could ask. My nearest modelling shop is about 12 miles away near Heathrow Airport so not convenient to just pop in and ask the shop owner!

    I'll invest in buying a LiPo cell checker when I order some more parts from Cornwall Model Boats or similar web site, as I need some items for my new build....AND a new couple of LiPo's to replace the dead ones I have now.

    Will update you on Voltages of the batteries tomorrow.

    An expensive learning curve!
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    πŸ“ LiPo Batteries and Charging problems
    3 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    Thanks for the reply.

    No, I did not check voltage on LiPo's before sailing but they both worked fine. I don't have the battery check items you mention, just the fact that the performance was degrading and so brought the boat in and took out the battery for charging.
    The new battery bought still works ok, but performance reduced, so not used either again.☹️
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    πŸ“ LiPo Batteries and Charging problems
    3 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    I seem to have an issue with charging LiPo 2 batteries...I bought one 7.4V as in the picture, used it for a bit in my Fairey Huntsman until performance of the motor started to drop.
    I took it out to charge with my Reflex charger, but it kept flashing red/green - error. I tried every combination of powering and connecting the battery, but nothing worked.
    I then decided maybe aits a charger problem so bought another - e3 charger.......same thing, wouldn't charge, so guess what....I bought another battery, used it once and then decided to give it a charge.......same issues.
    Now I have 2 Chargers and 2 batteries that wont charge and an idle Fairey Huntsmann.
    WHAT AM I DOING WRONG here??
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    πŸ‘€ 64 Views
    πŸ“ Sorry for no updates
    3 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    Unfortunately I haven't been able to progress much on the build for a few weeks, but I picked it up again last weekend by starting the hull planking and beginning the superstructure. Not much progress but have been told the you should only do small areas of planking at a time and keep it balanced by doing one side of the hull then the other to keep its shape. I'll have more time in the coming weeks.
    The planking clamps are a great alternative to pinning... I starting pinning but every time the small brass pins bent while trying to hammer them into the Ply hull formers. I didnt want to hammer to hard as the hull skeleton is quite fragile. Any advice here please as I'll need to nail planks to the bow and stern.
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    πŸ’¬ Re: Ready for Hull shaping
    5 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    Thanks for the advice Newby7.πŸ‘
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    πŸ“ Ready for Hull shaping
    5 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    So this week hull strengthening has been added and bow and stern deck bases, but a bit of sanding required to get the bases to sit flat on the skeleton. The next stage it to shape the Hull before starting to add planking. I'm a bit hesitant to start this with a file or plane and it looks a bit time consuming to do by hand with sandpaper, so I'm charging the small electric Bosch sander I have to help with this bit ....... a little at a time!
    The Skeleton does appear a bit "twisted" but am sure this is either an optical illusion or will sort itself out with the planking.
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    πŸ“ Hull skeleton completed
    5 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    So, rib strengthening bars fitted and all tied together with decking supports. This part of the build also included fitting the rudder servo housing and it was a good job I had the servo already, and tried to fit it while not connected to the skeleton. Some slight modifications were necessary to the cutout to make the servo fit, which would have been difficult once fitted into the build. Bow and stern decking base to fit next with more strengthening to attach planking for the hull. I'm also making good use of the keel clamp I recently bought from Amati.......what a great device this is. πŸ˜€πŸ‘
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    πŸ“ Build now started
    5 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    The build has now started from the new shed/workshop and the keel and hull ribs have gone together nicely thanks to the easy to follow instructions and the accurately, laser cut pieces. The Keel is in three parts with two sets of strengthening/connecting ply pieces, Bow, stern and midships. No adjustments or any other cuts required.....nice!! Now onto the rib strengthening and deck supports, plus extra stern and bow strengthening to securely attach planking. This should only take a day, so next update later.
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    πŸ“ Impressive Kit!
    5 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    After opening the Box and eager to start on the build, the first thing to note is that the kit is really nicely packed. It has a great instruction booklet, plans, parts lists and an itemised sheet of parts on the laser cut wood. All the numerous metal parts are neatly stored in solid compartmentalised plastic boxes, which can be re-used for storage boxes after the build. For a novice, makes starting this build easy. πŸ‘πŸ˜
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    πŸ“ OcCre Ulises
    5 months ago by StuartE ( Chief Petty Officer 2nd Class)
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    After 2 years of being banned from the dining room table, I decided to indulge again in challenging myself to build another boat. I have recently demolished our small shed in the garden and have replaced with a much bigger one which means I now have a man cave and work space.
    This OcCre Ulises boat kit is going to challenge my skills further as its a 1/30th scale of an Ocean Tug boat that is almost all planking....hull, deck, cabins etc.
    All advice greatly received!!
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    πŸ“ Prop size and speed
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    Hi all,

    Many thanks for all the fantastic responses and info.
    I currently have a 7.4V S2 LiPo 4000mha, a 15A Motor and ESC with a 1000kva Motor. The prop I'm using is a 2 blade S type 35mm.

    Apart from the Motor there is no weight up front in the bow, so can't reduce that much, but I am using a "heavy" servo at 68g in the stern, so will use a smaller less weighty servo.

    I'll try changing the motor to 30A 1000Kva with a 42mm S type 2 blade to see what difference that makes. I also need to re-grease the prop shaft as suspect that it was running hot at the high rpm and caused a bit of speed loss.

    I'll post a comparison video so you can see the results!

    1000kva Motor
    15A Motor
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    πŸ“ Prop size and speed
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    My Mtroniks 1000KVA rated at 15A motor does not give my boat enough speed with a 35mm S type Prop. If I wanted to increase the speed, can I just increase the prop size or would I have to increase the motor size as well? What is the rule of thumb for increasing speed of the boat?

    boat
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    πŸ“ Maiden Voyage
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    With battery fully charged and with great anticipation, Rosalie had her first voyage on the Bushy Park Boating lake a couple of weekends ago. It went very well, but not as fast as I was expecting and at full speed, the battery started to run down and affect the speed after about 20 mins running. It looked good though and there were plenty of onlookers, the turns looked spectacular and mirrored exactly what would happen on the real thing!.

    Next thing is to reduce the weight a bit to see if it can go faster or play with the prop size....... what fun!!

    I'll upload a video once done on youtube....I thought you could upload directly here via pictures, but seems not
    IMG 1295
    ▢️
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    πŸ“ Rosalie - Fairey Huntsman 31
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    This model was started in December 2018 and finished at the end of May 2019. All built by myself and only the second RC Boat I've made.

    It's ready for its maiden voyage in open water in the next 3 days and cant wait!
    IMG 1295
    ▢️
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    πŸ“ Finished at last.....(but might change or add some things later!)
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    At last the boat is finished to a point where I can take it out for its maiden voyage. It passed leak and floatation tests in the bath and all electric function as they should. Now to show it off in open water on the Boating Lake in Bushy Park, Kingston upon Thames.
    I'm hoping for a bit of sun and not too much wind to create too many waves at first, until I get used to handling it.
    I'll upload pictures of Rosalie in action in my next post!
    I will probably do some tinkering and some detail additions later on, but for now ITS FINISHED!
    Still not happy with the pulpit rail and I will most likely remove it and do it again taking into consideration all the great advice received from the fellow members of this site.
    Thank you for following the build........now what's next!!!

    boat
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    πŸ“ Almost finished
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    Almost there....... Handrails and seats and cabin almost completed.
    Things are however, not going well with the pulpit rail.....All pieces are cut and bent to shape as per the instructions to the correct lengths, but using a jig made from ply I cant get the brass rail to hold with solder...its a real mess, so decided to try and use expoxy glue to hold the rail and connecting pieces together...It doesn't look good and I'm really upset that it will spoil the look of the boat.

    Handrails
    boat
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    πŸ“ A look under the hood....
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    While Superstructure is moving on in leaps and bounds thought I'd let you look under the hood of the Huntsman - Rosalie.
    There is lots of space here so you can put things where you like, but the limitations is that the Superstructure has a deep cabin which means in this part of the mid-ships, everything must be mounted low and off the sides and bulkheads.
    I was also limited by cable length so although I build a "heath robinson" bridge over the battery to put the receiver, this had to be mounted on the side as the superstructure would'nt sit down on the deck!
    I also bought far too big a servo so this is mounted upside down to fit!!
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    πŸ“ Windows are in (and a few more bits added!)
    2 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    So, superstructure is really taking shape now the windows are in and the top screen has been added. Next stage is to build and add the Pulpit on the bow and the rest of the handrails and seating.
    I am not looking forward to the pulpit as have no welding equipment or skills here.
    Another challenge then to see if solder will hold the brass rails in place. If not it will be constructed with expoxy resin and then painted over.
    Onwards and upwards.

    brass rails
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    πŸ“ Superstructure takes shape
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    I'm so sorry to my build blog followers that I haven't updated on my progress for some time, but the build has taken a back seat for a few weeks due to changing jobs, but over the last week or so I've picked the build of the superstructure back up again.
    Just following the instructions at the moment so as to get to the build level where I can start the paint job before adding all the detailing bits.
    I have decided not to build the structure roof's with planks as the instructions show, but to use balsa sheet as it looks a lot easier..These were "bent" into shape over the skeleton with a little help from some steam from the kettle. It really does work well in forming the shape....but also burns your fingers if you're not careful. Another lesson learnt... wear some gloves!
    So with basic build done I started on the paint job following the colours of the hull design.
    I prepared it the same as the hull with light bals filler first then rubbed down so as to fill most of the wood grain imperfections, then a cout of filler primer, followed by primer, then paint and finally a couple of layers of clear laquer. All with a lot of sanding a smoothing inbetween.
    Its not bad!
    Now waiting for the weekend to prepare and install windows, pulpit rails and cabin floors with some left over mahogany. I can't wait!😎

    filler
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    πŸ“ Now onto the Superstructure
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    Now the hull is complete, instead of putting in all the electrics, I decided to start the superstructure build. As per the instructrions and to get a good snug fit on the hull, it has to be built on the hull. It's going well at present and no real worries yet!
    Skeleton is complete, now onto the roofs and cockpit. I have decided to do roof in sheets of balsa 3mm thick rather than the 3/32" planks that the instructions suggest....that seems like a disaster waiting to happen for a novice! 😎

    balsa 3mm thick
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    πŸ’¬ Re: Old Swordsman or Huntsman ?
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    I am currently building a Huntsman 31, so I can only assume yours is the Swordsman. Nice restoration!
    Is it a wooden hull or GRP? You'll have to upload a video when you take it out for the first time so we can see how it goes.πŸ‘
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    πŸ’¬ Re: First ever
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    I did the same as you on my hull build as it was my second attenmpt but used low weight (34gsm) fibre cloth in between coats of ezekote.
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    πŸ’¬ Re: My Retirement Plans !!!
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    No restful retirement for you then!🀣
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    πŸ“ Decking added
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    With the Hull paint job complete, the next stage of the build was to add the decking and rubbing strip. Being a novice at this I decided the best option was not to go for a complicated deck....KISS!!
    So I opted for solid mahogany. Veneer was not included in the kit, but the nice people at SLEC sent me a 2mm solid sheet to make the decking out of. The instructions said to make the decking out of 6 pieces, 2 for the aft deck, 2 pieces port and starboard and 2 for the bow. I went for just the 2 pieces, one port side and one starboard as I didn't want to see too many joins. Cutting was a little tricky as I didnt want a large piece splitting, but a solid support for the cutting table and a sharp scalpel did the trick.
    However, as throughout this build I learnt another valuable lesson, dont use a water based glue to attach bare wood to bare wood, especially one so thin....result are it bows and curls and distorts in all the wrong places. Use a two part contact adhesive! I weighed down the two pieces of decking for the entire deck and it eventually laid flat.
    I finished it off with mahogany 1/8" x 1/4" strip all round the deck for the rubbing strip, sanded and then varnished with 3 coats of satin yatch varnish. I think the results are good, but judge for yourself....
    Now its onto the superstructure....😎😜

    kit
    glue
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    πŸ’¬ Re: Hull Paint job complete
    3 years ago by StuartE ( Chief Petty Officer 2nd Class)
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    WoW. Fantastic planking!. How long did that take? I dont think I could attempt that so I'm just using Mahogany sheet for the decking like the instructions show. What wood have you used to get that effect?
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