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Model Boats Website Team
December 2018: 4 people November 2018: 11 people October 2018: 9 people September 2018: 13 people August 2018: 5 people July 2018: 8 people June 2018: 8 people May 2018: 7 people April 2018: 24 people March 2018: 11 people
The boat is nearly complete now, the final part is to fill the deck with fill nets! I have found that the Heinz snap pots for baked beans are the perfect size! Top removed, sprayed and weathered and then a body buff has been cut up and stuck inside along with some twine. I’ve then painted the net to make it look dirty and some varnish to give it a wet look.. 2 down 1 more full one required and then a stack of 3 empties... but first dinner, and yes, it’s beans on toast for me!!!
Hi Simon, Glad to help😊 I'm just one of many 'Bin there done that' guys on this site. I have no complaints about the Turnigy motors or ESCs. Not too expensive and seem to work 'as advertised' 👍 When you read the blog you will realise that I did not build the kit (and that I have a nutty sense of humour😁). My Dad built it in the early sixties. I 'simply😲' restored it and upgraded it. Attached pics show the Before and After 😊 The original motor was a Taycol Target field coil motor. I decided to convert that to work with a modern reversible ESC and fit it to an ancient Billing Boats fish cutter that I am slowly restoring and converting from static to working model. Last pic shows the initial 'trial fit' of the motor. The motor restoration / conversion is also described in the Sea Scout blog, as are the materials I used for the restoration. Looking forward to your clips, hope the weather holds up. Whatever you do, however you do it, have fun doing it😁 As my German friends like to say; 'I wish you always a hand's breadth of water under your keel' 😉 Cheers, Doug 😎
Hi Doug, Thanks for the links, just watch your YouTube clips and she runs lovely. I’ve seen that a lot of people have used those Turnigy motors so I might try one of them on my next build. I’ll read the blog over the next few days. What did you think if the kit as a whole to build, only asking as me and my sister have just purchased the Fire Crash Tender for our Father for Chrimbo. Thanks for all your tips, it’s much appreciated. I might try and get some clips of the classic over Gorleston pond today if the weather permits lol. Cheers 😉
The cabin has now been finished off with a well deck, the well deck is made of balsa mostly, and the floor is oly, the well deck floor is lined as planks ( urghh ), firstly scored with a blunt Stanley type knife blade the the plank lines infilled with pencil, the floorboard nail marks are just scored with a sharp pin with a little cyno rubbed in the hole to colour the pin prick, decided to make this as an all in one removal unit, It still has to be glazed and fittings plus furniture, as in windscreen , door's consul etc: .. The deck and all other woodwork has been varnished and the cabin roof painted white, awaiting suitable weather to paint the hull, as this is done outdoors.. Muddy....
Doug, you are probably correct and good thought regarding the polarised caps , but I was just thinking that if the battery input was going through a fuse system as it appears in Rowens photos (difficult to see) it may have caused a slight problem. I have seen mentions of up to 12" between batt and ESC being no problem at lower Amps. You might notice that one of the inputs was from a guy from Castle Creations (USA) which I thought would give a bit of weight to the information. I have always gone with the ESC manufacturers suggestions regarding wire length and have never had a problem in boats or planes (mainly in planes,-18 most 'converted' to electric from IC -3 capable of pulling 1200W) It's great to be able to chuck ideas and info around, as we can all pick something out of it all which will solve a problem, or perhaps stop us from toasting an electronic component or whatever. BTW, I saw somewhere that extending the wires could cause stuttering and that was one other reason for mentioning the info, as I know Rowen's had a problem with that. I'm sure it will be ok as is,- if its working fine, and it's not going to be run flat out every day it will probably last for years. Probably me thinking on the cautious side as my personal approach to building is to use the K.I.S.S method (may not be the flashest but usually keeps me out of trouble) Regarding the quality of ESCs, you will find that many have the same internal bits just with different cases and colours, (same with chargers) HK is bad for this. Many I have seen use an Atmega chip and you can tell differences by the programming method (some you have to do 1 step and disconnect power before the next step, others just with stick forward center back center etc. Most boards are made in China (Castle Creations and a few others being exceptions) and what you get depends on the quality of assembly/soldering etc in the plant they are made in (if you want to see how many of these items are made in China check out Made In China.com and search ESCs for example. I have cheap ESCs I've used in my planes for years with no probs which look like the HK Red Brick ESCs (except blue) and they are better than the TGY branded ones at 3x the price, and really let the power through !. Even CC have apparently made boards for HK with different cases as have Hobbywing. It's really a case of "you pays ya money and ya takes ya chances". In saying that you are pretty safe with Hobbywing, Tamya, SkyRc, or Castle Creations (USA) but there are other better non China ones around but a a much bigger price. Hope we aren't overloading you Rowen, you might have to get into the 'anti-freeze' to soothe the brain in that cold weather. Another site for you to check out which I have found to be very good, with prices to match HK is RCEcho.com (Hong Kong) Have bought most of my aircraft ESCs from them (around 28 from 30A-120A with no probs)
[Score: 10/10] 24" Joysway Rocket Single Propellor Direct Drive to a 1700 kv Powered by LiPoly (11.1v) Batteries Controlled Through Hobbyking 70 amp (40Amps) ESC - Comments: This is a fun boat, self righting so can go out in all weathers very fast and handles great !!
[Score: 10/10] 42" Vosper Single Propellor (3 Blade 50mm) Geared to a Os 40 fourstroke (3 Blade) - Comments: I always liked the sound of a fourstroke engine so I thought I would replace the brushless motor in this boat with an aircraft Os 40fs which I converted with a water cooling jacket that I turned up on my lathe. I also made a reverse gearbox with a clutch, the gearbox is operated by a servo and works well, I also fitted a water pump so could still cool the engine while ticking over stationary, boat has been weathered and is fitted with lights and a searchlight that swivels around operated by another servo, there is also a cooling fan above the engine just to help keep things cool.
Actually I am more concerned about how to keep the Transmitter dry in misty wet weather than warming my hands. Sometimes here in Canada we can be sailing our boats when a sudden squall will pop up. How to keep my transmitter dry under those conditions is my main concern. In Canada we have hand warmers to put in our gloves that work very well. Shrug off the coldest days with these "pocket furnaces." Slip warmers into gloves, pockets, hard hats or between layers of clothing. Shake to use, air-activated. Heats up to 55°C (130°F). Safe, odorless and disposable. Heats up to 10 hours.
Latest developments aboard Campbeltown. Not at all happy with my construction of depth charge racks especially as they are photo etched, but they will blend in when I have put in more detailing and weathering.
Mornin' Neville, ."How wet is wet"? Hold the paper under a running tap, warm water, until it goes dark all over. Remove excess water with kitchen roll. You don't have to flood the hull but keep the paper well wetted. For convenience I use the Tamiya sanding sponges. They mould themselves to any shape they are used on which is great for compound curves. Keep a bowl of warm water handy to re-wet the paper or sponge from time to time and to clean of the residue that builds up on the paper. Also regularly wipe off the slurry that builds up on the object you are sanding with kitchen roll or a damp flat dense kitchen sponge. When you are finished wash off the hull (or whatever) with the the flat sponge and clean water. Dry off carefully with kitchen roll or non-linting cloth. DON'T do a bath test with just primer on the hull as the primer is porous! It consists mostly of finely ground chalk dust or similar in a solvent suspension. Wait until you have at least the first top coat on to seal it. You only have to look at a car with a primed wing, that has then been driven around in typical British weather for a few weeks, to see why!! Don't forget the 'secret ingredient' 😉 All the best, Doug 😎 PS Nearly forgot 😲 Start using a few drops of liquid soap on the w&d from the final preparation of the primer coat through til the end.
Same here Martin drizzle all day. What they call here 'Kuschelwetter', cuddling weather! 😉 Forecasted to remain so through Monday, then we start getting warm winds from Italy again. Temperature back up to 20°C by Friday😊 You may remember the Föhn wind from your time in Sauerlach. Still, managed to get started with the preservative on my fence posts. Mounting will have to wait until Thursday or Friday I expect. More info tomorrow when I've dug a bit deeper into the partly contradictory Praktika docs!! Cheers, Doug 😎
Thanks, Doug. Peeing down here, so I epoxied the cracks in my lovely old just post War Ailsa yacht indoors and put it in the heat of the boiler room! We'll see how that goes tomorrow. Grotty old day all round now. Curl up weather! Cheers, Martin
Hi all I have been reading the post concerning lathes, my little lathe suits my needs and my pocket its great. I also forty years experience working with manufacturing machines, wood lathes ,bandsaws, milling machines, and metal turning lathes, and more. I was also a first aider most of working life, And what I would advise for people who have no experience in using any of these type machines weather full size or mini is to get instruction preferably from a time served machinist who have trained apprentice's or a course at further education college. I have had to attend three lathe accidents and all were life changing. you can see what I mean if you Google lathe accidents and good look at the images. full size or mini makes no difference
The weather has quickly turned colder, giving an excuse to get back to this model. Stripped out much of the interior and the prop. shafts to replace the nylon propellers with brass. These items all needed removing for painting, so decided to paint the hull before reassembly and then moving onto the superstructure. Fortunately, examining similar naval vessels and several U Tube videos, confirmed the hull as light grey, the deck a darker one of the 50 shades of grey and the lower hull below the waterline black. Used thin Tamiya masking tape to define clean colour separations, followed by regular tape, masked the hull into colour sections and sprayed using “rattle” cans. After the colours applied a light overall Matt coat to subdue any shine. The results are satisfactory. Will now reassemble and move onto building the superstructure and the other fittings. Prior to the season closing decided to experiment with my new Flysky Tx/Rx package, shortly to be fitted to this model. This Tx has a servo limiting function, which was hoping could also be used to restrict ESC output. Would like to make the full speed motor response correspond to full Tx control position. Currently can over power the model; which lifts the stern, causing it to come off the plane and then dig the bow in. Was thinking that if full throttle could be set at around 90% forward control movement and 40% sternwards the model would retain adequate performance, but without being overpowered or very sensitive to control lever movement. As the Brave was not available, tried the idea on my Daman Stan 4207 model. This is brushed motor powered and a good performer. Obviously the settings for the Brave will be different, but at least could try to see if the idea would work – it did! This Tx function is easy to use and adjustments can be made whilst the model is on the water. Once the ideal settings are achieved they can be programmed and then retained in the Tx. Will try this on the Brave when back on the water next Spring.
Hi All Refer to attached for motor comparison. I don't like using Cyano so the hull be built using ZAP 30minute epoxy and a weather proof Alphylitic from Sika. I will more than likely use a polyurethane based glue for the skinning. The hole boat will be epoxy coated inside and out to add strength. By the way the epoxy resin will increase the strength by about 2.5😁😁