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    CB90
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    Member No.#4861
    RegisteredπŸ“…9th Mar 2018
    Last OnlineπŸ“…21st Oct 2020
    CityπŸ“Kirkby Stephen
    CountryπŸ‡¬πŸ‡§United Kingdom
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    TomKat
    Ripmax Tomkat, an original design built for a 12in passenger, but can run without and will go that bit faster, upgraded to brushless and 2.4 G radio and lipo battery. Originally had a 550 type motor brushed esc, 27mhz radio, and ni-cad battery, main fault of boat is that it has a very poor reverse, as it has been designed with a surface piercing prop, so only effective in forward motion.
    Refurb of Flower Class Corvette
    Found this boat in a junk shop for Β£25, replaced 380 motor with a geared 540, new servo and speed controller, some general repairs and a new paint job. Runs on a old 27mhz RC gear.
    Norfolk Broads Police Boat
    This was a renovation project the idea was to on convert to a Norfolk Broads Police Boat from the 1970's Running on an old 27mhz Acoms radio with brushless motor and ESC.
    Pursuit Boat 7
    In 2019 I started this racing boat but as of yet have not managed to get it to a lake it runs on 14.8v lipo with 3674 High Performance 2650KV Brushless Motor. Please note rudder is hinged so if it hits something it lifts up, to prevent damage.
    (Naval Ship) HMS Sabre, Scimitar-class preceded by Archer-Class
    Please note this is not a scale Model it is a club racing boat (semi scale) and will get many knocks and flips during racing. The trials of this boat went well I remember comments made by members of the Eton park model boat club (Norwich) on how fast and quiet the boat was. There was a problem on sharp turns it ventilated and lost power, I tried various modifications over the next year, but in the end knew the prop was too close to the transom. So July 2020 the boat was stripped back to the basic hull and holes filled, then motor, shaft, servo and rudder were re-positioned. Another trial will then occur, also I have decided to seal the windows in the cabin and fill with polystyrene to make the boat self righting, as last time it flipped over in a race it remained inverted until it blew to the edge of the water. upload 3 photos to add to original 3 2018 Just finish this little boat, need to have its first trial on the water to measure current draw and perhaps modify the prop size. Make sure water cooling works, and the thing steers ok. The Motor 3650 4Poles 3060KV Brushless RC Motor for 1/10 RC Car Boat 1. 4Poles design, high torque and high efficiency. The overall efficiency exceed 90 percent. 2. Low heat production, long lifetime, strong overload protection and it can function 95% of its features without any heat sink appliance. 3. High quality materials adopted: high intense aluminium alloy anodizing shell , front and back cover , high-performance temperature-resistant magnetic steel and imported high-speed bearing. Specifications: Model: XTI-3650/4.5D Dimension: 50 * 36mm KV(RPM/V): 3060KV Poles: 4 Max Power: 1300W Max Voltage: 19V Max Amps: 68A Shaft Diameter: 3.2mm Shaft Length: 15mm Connector: 5.0mm Banana Connector. The Real Boat Builders: Halmatic Operators: Β Royal Navy Preceded by: Archer class In commission: 2003 – Active: 2 General characteristics Type: Patrol boat Displacement: 24 tonnes (24 long tons) Length: 16Β m (52Β ft 6Β in) Beam: 3.1Β m (10Β ft 2Β in) Draught: 1.2Β m (3Β ft 11Β in) Propulsion: 2 Γ— MAN 2480LXE diesels, 2 shafts Speed: 32 knots (37Β mph; 59Β km/h) Range: 260Β nm (480Β km) at 19Β kn (35Β km/h) Complement: 5 (1 officer, 4 ratings) Sensors and processing systems: Racal-Decca Bridge-master 360, I band navigation radar Armament: 2 Γ— General purpose machine guns (stern-mounted) (ESC: China 60A) (5/10)
    (Naval Ship) RAF ASR 1942
    This kit is based on an RAF ASRL Boat and is formed of High Impact Styrene for you to add your own hardware and detail. Kit includes Hull/deck/superstructure/windscreen/clear gun covers/dinghy/boat stand/servo, motor mount and instructions. Approx Length 24in x 7in 1/35th scale. HSL100 Type 2 High Speed Launch 63 feet 21.5 tons 39 Knots 1941 built by The British Power Boat Company and popularly known as the 'Whaleback' as the cabin looks like a whale diving. The craft operating in the North Sea / English Channel. Their armament consisted of any weapon which the crew could find, they started with a single 303 in each ball turret and progressed to twin 303's (Motor: 2860 4050kv) (ESC: China water cooled 60A) (8/10)
    (Fire Boat) RAF Fireboat (vintage) Aero
    Ebay job Β£50 Old Vintage Aero kit 34in Fire boat needing a lot of attention, with delaminating plywood, old glue, old glow-plug engine mounts with electric conversion, and after removing a metal shield I discover an vintage (1970,s Ripmax Bullet 30 Motor the dogs bollocks of electric racing of its time capable of running 24v at 15A. 300W for a brushed motor. Started by revamp rear pit by lowering servo and rudder and building sub deck, storage lockers, tow hook and ladders. Remount the motor with an aluminium mount with custom screw positions. Block windows with 1mm ply. Foam front half of hull to make unsinkable. Make centre decking area. Repair and build up on cabin roofs and walls to centre deck. Rewire add ESC and servo. Remove broken and unusable fittings such as large vents, some missing unable to match again. Problems with old gloss paint crazing the modern spay paints. Build some fittings eg Water cannons, life belts, Build new battery trays, Painting the boat now in progress as of 20/04/2018 Boat has be roughly painted but is not finished, as fittings are now required, added a RC system an gave it a test run. the performance was adequate on 14.4v and great on 17.2v see latter pictures on the pond. the motor did get hot after about half hour of use. the motor is rated at 24v but I think a smaller prop will be required for that voltage. Excellent performance from a brushed motor. Added some stickers and I have now added a 12v fan and ventilation between cabins as the motor required some cooling and was in a sealed compartment. (Motor: Bullet 30) (ESC: 24v 15A Electronize) (9/10)
    (Pleasure Craft) Jet Boat
    Modified from standard 360 motor to a brushless 20mm motor this was my first brushless conversion back in 2013. (Motor: 20mm) (4/10)
    (Racing Boat) WL 915
    WL 915 ready to run Brushless 2.4GHz RTR Electric RC Speed Boat. This RC boat is capable of reaching speeds up to 25MPH and anti-capsizing technology? The flood chamber in this boat causes the boat to struggle to get up on the plane, in the end I filled it with foam, and put in a new rudder offset to the right, it now goes well, and I haven't flipped it yet! Features: β€’Electric Powered β€’Capable Of Up To 25MPH? β€’2.4GHz Transmitter β€’11.1V 1200mAh LiPo Rechargeable Battery β€’Balance Charger Specifications: β€’Length: 17.25 inches β€’Width: 6.8 inches β€’Height: 4.7 inches I will be modifying this little boat as it has a few annoying problems they are: 1. The flood chamber fills quickly and once full hampers the boat in accelerating and getting on the plane. 2. You cannot run the boat slowly as the flood chamber fills 3. The self righting is not 100 percent reliable. 4. Binding is initially difficult Mods a. Replace cabin so boat lies flat when inverted. so able to use rudder extension to steer when upside-down. b. Racing rudder side position out of prop-wash and aids torque effects. c. Fill float chamber with foam so gets on the plane quickly. d. Cut down rudder as too long (95mm) to 65mm. The cabin will be finished and painted properly after testing. On testing the rudder was reduced and performed well once it got going but still have problems getting it up on a plan it feel this could be a balance issue, needs more mass at the stern. (Motor: outrunner) (ESC: unknown) (5/10)
    (Racing Boat) NDQ Modified
    NDQ cheap hull, ripped out radio replaced motors with brushless 2845 2600kv add rudder/ servo, trim tabs and turn fins also added strakes to the underside, foamed the hull to make it unsinkable add radio link radio modified to control both motors 2845 2600kv via SimonK firmware developed for drones brushless escs ( both motors run at same speed) 30A. Boat currently pulls enough to get hot motors on 3s (240W total). (Motor: BL 2845 2600kv) (ESC: 30A gerneric) (9/10)
    (Fire Boat) Grimmershorn II
    The Motor vessel 'Grimmershorn' was built in 1956/57 by Hansa Stahlund Schiffbau GmbH at Koln-Deutz for the Waterways and Shipping Administration at Cuxhaven.Her Daimler-Benz four stroke diesel engine had an output of 500hp. permitting a speed of 11.5 knots. The model hull and deck are vacuum formed ABS, timber work of precision cut ply, 2 full size plan sheets and a construction manual along with a fittings pack complete this kit. Technical Data Scale: 1:20 Length: 1038mm Beam 305mm The Grimmershorn was the second major kit I purchased from a model shop on the outskirts of Harlow in Essex back in the 1980s. The Krik kit is still produced and sold today. My build was a slow and lost enthusiasm so after completing the hull, deck, motor and bow thruster installation I gave the boat to my father in-law who completed the superstructure and sailed the boat for a while, eventually the boat was given back to me when the father in-law moved house. I then repaired the rudder, added a moving radar, a adjustable water cannon and pump also various extra fittings such as a detailed life raft and crane, buoys and captain figure. thus renamed the boat as Grimmershorn II a Search and rescue fire boat. (Motor: 950) (ESC: 15A 24v) (5/10)
    (Racing Boat) Interceptor
    Zoom 1 (Interceptor) Mono boat. Built from a Glassfibre hull, brought on Ebay for Β£35 the hull is a slim mono racing type with a self-righting side cabin it runs a 1400W 14V 2958 4200KV Brushless Motor and 29-S Water Cooling Jacket with additional air cooling fan. I did not want to use a flexi drive as high maintenance and prone to failure so the shaft runs via two universal joint one at each end. the propeller is a 38mm copper alloy The ESC is a 200A and water cooled the twin rudders supply separate water one for the motor and one for the ESC. The rudder are positioned to reduce prop-walk and are hinged to prevent damage if hit a object in the water and ride adjustment. Turn fins and trim tabs for ride adjustment were provided by a spares kit for another boat. also foamed and added an inner sealed hatch, a rubber bump strip and safety loop. The Boat is fast and over-powered used at half throttle, may use a 7.4v lipo instead, the self righting works well. 20th April 2018 while running on 11.1v the boat stopped, no response on retrieval it was found that the manufacturers battery connector had melted and the connection lost see later pictures. the battery was made by FLOUREON and was a 35C with 5500mah capacity the 80A fuse had not blown. (Motor: 2958 watercooled) (ESC: Unknown 200A) (8/10)
    (Naval Ship) PT 109
    PT 109 The famous ww2 PT boat skippered by JF Kennedy (later to be President of the USA) This has be one of my have to have model boats and it was by luck that I found one for sale on a model boat club's web site in 2013, Β£100.00 later and a journey from Cumbria to Yorkshire and back, I had myself a ProBoat PT 109 This was a ready made RTR model when new and is 40in (1m) long, the boat needed some small repairs but after a test run I found that the running gear was noisy and on investigation discovered that both propshaft were bent and had no bearings from new, the couplings were just direct connections. So with great care I replaced both prop-shafts, propellers, coupling for two double Huco's (universal) and the single ESC by two new Aqua speed controllers and both motors with Graupner speed 600's Note I also foamed the front compartments to make it unsinkable in theroy. (Motor: Graupner 600s) (ESC: 2x ) (7/10)
    (Naval Ship) Perkasa Class
    A Malaysian Fast Patrol Boat Perkasa produced by Vosper in1966,she has 3 gas turbines engines and a speed of 54 knots, and diesels for cruising. The model was built in the 1980s but has only recently been fully powered up for planning speed, handle choppy water very well, port and starboard motors are 2x Graupner 600 7.2v and centre motor is a 700 type motor, 3 shafts run 3x 35mm propellers and it has two rudders, the guns are remote controlled (Please note the stern/rear gun is not accurate and is just a copy of the forward gun Bofors 40mm and not the 20mm Oerlikon. Search lights, radar, running lights all work the 3xESCs are a cheap China ones that do the job but need to go to neutral before going in reverse, just use self centring joy sticks on the transmitter. (Motor: 2x 600 + 1x 700 type) (ESC: China) (8/10)
    (Naval Ship) CB90
    Scratch built at 12th scale from pictures and profiles of the original boat, hope to upgrade batteries to 11.1v lipo. The boat was originally built in Sweden a class of fast military assault craft originally developed for the Swedish Navy by Dockstavarvet The CB90 is an exceptionally fast and agile boat. Speed: 40 knots (74 km/h) Draught: 0.8 m (2 ft 7 in) Length: 15.9 m (52 ft) Overall; 14.9 (48') Waterline Builders: Dockstavarvet, Gotlandsvarvet In commission: 1991 Complement: 3 (two officers and one engineer); Up to 21 amphibious troops with full equipment Armament: 3 Γ— Browning M2HB machine guns; 1 Γ— Mk 19 grenade launcher; 4 naval mines or 6 depth charges Model was powered by (2x Motor: Graupner 700 Turbos) (2x ESC: Mtroniks 25A) (7/10) in 2018. In 2019 have updated drives to dual brushless out-runners High Performance 2826 900KV 14 Poles Brushless Motor 60A max and added twin 90A ESCs the craft goes a lot better but next phase will be to increase voltage to 14.8v and reduce propeller size. Note gun now rotates and elevates.
    Recent Posts
    πŸ“ Hot motors
    5 days ago by CB90 ( Sub-Lieutenant)
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    Has anyone got one of these motors and can measure the resistance across the terminals, and then compare to the resistance of these ones. may have to move the shaft to try to read all 3 coils.
    Regards Roy
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    πŸ“ Hot motors
    6 days ago by CB90 ( Sub-Lieutenant)
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    Strange these motors should run so hot, are they old, do the brushes
    and commutator need cleaning.

    Data sheet for 400(20w)
    https://www.mtroniks.net/download.asp?ResourceID=2126
    https://www.mtroniks.net/download.asp?ResourceID=2126
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    πŸ“ Cigarette hull (Kingston Mouldings)
    10 days ago by CB90 ( Sub-Lieutenant)
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    Hi there shipmates,
    'Nut Screws Washer and bolts', yes there're all in the transom now.
    Had to put the bolts in backwards for the turn fins as the space restrictions inside made it near impossible to use a spanner or box spanner inside the hulls stern.
    Added side panels to the cockpit area. Build in seat started, not shown but reinforced rear access compartment.

    Regards
    Roy

    P.S. the rudders are vertical it's an optical illusion caused by my camera!
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    πŸ’¬ Re: Drawing coming along
    10 days ago by CB90 ( Sub-Lieutenant)
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    Russel Brothers Tug
    please check this link at about 25 days ago very similar Tug

    https://model-boats.com/gallery/#82715
    https://model-boats.com/gallery/#82715
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    πŸ’¬ Re: Drawing coming along
    10 days ago by CB90 ( Sub-Lieutenant)
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    Hi Ron,
    Reading your notes about the boats lack of keel, could this cause stability problems especially with the boat being 30in long, and a beam of 7.5in.
    I assume it will be used as a radio controlled model.
    Are you going to put in a metal keel to keep Centre of gravity low?

    Regards Roy
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    πŸ“ Light hearted Fun on a rainy day.Latest Soldering Iron.
    14 days ago by CB90 ( Sub-Lieutenant)
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    Hi jbkiwi,
    My Father a young lad during ww2 used to collect ammo rounds which he found on the marshes in Essex UK, he had quite a large amount of gunpowder / cordite also magnesium from incendiary bombs, seemingly towards the end of the war the Germans would drop their load over the Marshes and turn back for home.
    Dads collection of stuff (powder) was kept in the kitchen cupboard on a baking tray.
    A story goes that he filled a washing up liquid bottle with the stuff and used a cordite fuse, lit it and panicked and put it in a dustbin
    when the thing exploded it sent the dustbin lid up into the air cutting off the smaller branches of nearby trees that were 40ft high, if you looked up you could see the hole it had cut in the treetops.

    Surprised he didn't kill himself, he later joined the RAF (conscription) as a Armorer for Meteor 8's 50mm canons.

    Regards
    Roy
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    πŸ“ Light hearted Fun on a rainy day.Latest Soldering Iron.
    14 days ago by CB90 ( Sub-Lieutenant)
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    Hi All.
    When I joined PO Telecommunications (BT) in 1979, the external guys used these and heated them up on a Bunsen burner, and used them to solder wires in underground joints, a bit heavy duty for modern electronics, should be good for soldering copper pipe joints.
    Regards
    Roy
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    πŸ“ Cigarette hull (Kingston Mouldings)
    14 days ago by CB90 ( Sub-Lieutenant)
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    Hi there shipmates,
    Due to the propeller shaft spacing of 41 mm apart, I had to make a engine mount, and angled it to a line the two flexi shafts with minimal bending.
    I will not cut the flexi shafts until I fit the two contra rotating propellers, that are on order. 2x 40mm diameter x 18mm pitch.

    Starting on the cockpit area, I lined it with wood and built a seat also from wood, waiting for some bolts before mounting the rest of the hardware to the transom.

    Regards Roy
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    πŸ’¬ Re: Vosper torpedo boat.
    21 days ago by CB90 ( Sub-Lieutenant)
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    Hi Martin and jbkiwi,
    Yes I still give it a run once in a blue moon, last time the centre prop-shaft had ceased up (saltwater) but got it moving again, currently runs with port and starboard motors = 2x Graupner 600 7.2v and centre motor is a 700 type motor, 3 shafts run 3x 35mm propellers and it has two rudders.
    Not quite the same as the 3 jet turbines in the real thing!
    The guns are remote controlled (Please note the stern/rear gun is not accurate and is just a copy of the forward gun Bofors 40mm and not the 20mm Oerlikon.
    Search lights, radar, running lights all work, the 3x ESCs are a cheap China ones that do the job but need to go to neutral before going in reverse, just use self centring joy sticks on the transmitter.
    I must admit it is a very stable hull even in poor conditions.
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    πŸ’¬ Re: sea princess
    21 days ago by CB90 ( Sub-Lieutenant)
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    Hi Catman,
    Is the Sea Queen a big version of this boat?
    Any free plans!

    regards Roy

    Please note this is not my boat.
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    πŸ’¬ Re: Vosper torpedo boat.
    21 days ago by CB90 ( Sub-Lieutenant)
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    My (Perkasa class) Hanalan P152 was also built about 30 years ago.
    It was my 1st kit, and was produced by Precedent, had fibreglass hull and rest was wood about 35in long.

    Martin have you still got your boat?

    Regards
    Roy
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    πŸ“ 20th Scale ELCO 80ft PT boat part 31
    22 days ago by CB90 ( Sub-Lieutenant)
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    Started work on the Helm.
    Finding this part difficult, as using various sources of information.
    Have made some major mistakes with the build but building from scratch has its pitfalls. I will not list them, as I find it depressing.
    I have had an idea of putting servos in the turrets so the guns can move around but that will be done a lot later.
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    πŸ“ πŸ“ Cigarette hull (Kingston Mouldings)
    22 days ago by CB90 ( Sub-Lieutenant)
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    Holy Disco,
    Is it a bird, is it a plane, Is it a CD player!
    I thought I would give every one a laugh, at my boat build, yes be careful with expanding foam as it expands up to 6 x it's initial volume.
    I not going to tell you what it is going to be.
    It is not going to be a Classic Cigarette hull, or a CD player.

    Removed some more wood from the original frame the cabin would have sat on, added plastic pipe. reinforced and glued then foam filled, CDs were the right size for the job.

    Regards
    Roy
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    πŸ’¬ Re: Ripmax Tomkat
    22 days ago by CB90 ( Sub-Lieutenant)
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    Hi Redpmg,
    The joint shown above is the original ripmax, the 2 conical connector join to 4mm shaft and sub shaft, I do not think it is available any more.
    Personally I would not bother with the dummy motor, but you could put it on the back of a suitable normal boat (with prop and rudder underneath) just for effect.

    Converting it to a real outboard using a 480 and some nylon/brass bevel gears may be more difficult than you think.
    Commercial RC outboards come in two types, 1. expensive and powerfull, 2.cheap and slow.

    Regards
    Roy
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    πŸ“ TomKat
    26 days ago by CB90 ( Sub-Lieutenant)
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    Ripmax Tomkat,
    an original design built for a 12in passenger, but can run without and will go that bit faster, upgraded to brushless and 2.4 G radio and lipo battery.
    Originally had a 550 type motor brushed esc, 27mhz radio, and ni-cad battery, main fault of boat is that it has a very poor reverse, as it has been designed with a surface piercing prop, so only effective in forward motion.
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    πŸ’¬ Re: A little closer .....
    26 days ago by CB90 ( Sub-Lieutenant)
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    Hi Skydive130,
    The procedure looks very painful, for the driver. I'm sure I could see a tear in the poor mans eye.

    One of the best looking models I've seen. Fantastic workmanship.

    Regards
    Roy
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    πŸ“ New to model boat building.
    26 days ago by CB90 ( Sub-Lieutenant)
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    Hi GPA,
    Whichever kit you choose make sure its one you have some affection for the model, as boat building can be a long drawn out affair, and you need a subject matter that will maintain your enthusiasm through thick and thin.

    As for books a good intro is a old book by Vic Smeed (grandfather of model boats) very dated but cheap on Amazon.
    see link
    https://www.amazon.co.uk/Model-Ships-Vic-Smeed/dp/0600384209...

    Regards
    Roy
    https://www.amazon.co.uk/Model-Ships-Vic-Smeed/dp/0600384209/ref=sr_1_21?dchild=1&keywords=vic+smeed&qid=1601494816&sr=8-21
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    πŸ’¬ Re: Ripmax Tomkat
    26 days ago by CB90 ( Sub-Lieutenant)
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    Hi Phil and redpmg,
    Yes the original link between shaft to imitation outboard (in-fact just a steerable strut/prop shaft) was something like a short bit of bicycle break cable, they often failed.
    On my brushless version I was going to extend the imitation outboard backward so I can get a double universal joint or dog bone in there to take the power, have changed my mind as I think the previous option would be to restrictive in rudder movement.

    So I have put back the original running shaft with flexi. put in a spare ESC and battery, unfortunately I cannot remember the brushless motor specifications so will run on 7.4v.
    Tested in the bath a few mins ago all works ok.
    Reverse is still non-existent but should go a bit better as only using a 1500mah battery, of course action man is getting fat and will slow her down.

    Regard
    Roy
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    πŸ’¬ Re: Refurb of Flower Class Corvette
    27 days ago by CB90 ( Sub-Lieutenant)
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    Hi Doug,
    Thanks for the info, but if the truth be known the pennant number, Well, I just made up after looking at a few pictures.

    Great research Doug, I seem to remember, that they sold an enhanced kit with wooden decks (or it could have been a extra fittings kit)

    It is a nice boat to just potter around a pond, one day I may come back to her and give her the attention to detail she probably deserves.

    One thing I will say is that she must be handled with care as its easy to break things off the ship with this much detail in plastic.

    Thanks again Doug,
    Regards Roy
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    πŸ“ Balsa Shortage
    27 days ago by CB90 ( Sub-Lieutenant)
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    How big a wind turbine blade can you make from balsa???
    I saw a programme on TV about Wind Turbines and the blades were Hi tech stuff, computer designed, titanium hollow reinforced!

    Is it April in China? the 1st!

    Regards Roy
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    πŸ’¬ Re: corrected mast top
    27 days ago by CB90 ( Sub-Lieutenant)
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    Hate to be the Bearer!
    Here is a picture of my Dads wherry, he used combination of chain and rope, too much chain that high in the rigging may not be good?
    They would not want too much weight at that height, in the real sail boat.

    see pic of real wherry, they only used a short length of chain.

    https://www.alamy.com/stock-photo-the-top-of-the-sail-and-ma...

    Sorry, hope you don't mind me pointing this out, its nit-pickings I know. Just remember nothing is ever perfect.
    Regards
    Roy
    https://www.alamy.com/stock-photo-the-top-of-the-sail-and-mast-of-a-norfolk-pleasure-wherry-the-ardea-73116948.html.
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    πŸ’¬ Re: Ripmax Tomkat
    27 days ago by CB90 ( Sub-Lieutenant)
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    Hi Phil,
    I forgot about this boat, have three of these boats, one in the possess of upgrading to brushless, in camo the other two are in their original red plastic, shame they are so bad in reverse.
    Pulled it down from on top of utility room cupboard to photo it for you.
    Regards Roy
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    πŸ’¬ Re: Refurb of Flower Class Corvette
    27 days ago by CB90 ( Sub-Lieutenant)
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    I had quickly spray painted her to make her look respectable in the water, as she was unpainted plastic, unfortunately I have too many boats, that need my attention, the main one currently being a scratch built 48in Elco PT boat and simultaneously an Ebay find that I could not resist, a 39in cigarette hull for Β£20.

    I also have an unfinished scratch built Italian MAS MTB 30in, also a
    Fairly Huntsman 34in needs finishing, a Sun Tug 36in needs restoration part completed.

    A Bismarck battleship to upgrade,
    A Hydroplane (shrimp) to finish.

    Boats completed and not in Harbour
    A small vacuum moulded fishing boat
    A second NDQ speed boat (have 2 of them)
    a mini Joysway speed boat
    an Nirvana American Yacht 34in
    a 1920's pond Yacht 48in was vane steering+
    a Genie class Marblehead 50in
    a Graham Bantock Marblehead 50in
    a freelance Marblehead 50in
    a R36 Yacht (36in)
    a Plastic Vacuum boat by Sarik Hobbies RAF 43 rescue launch 24in
    a Stealth boat for racing 27in
    3x Feilun ft011 Speedboats
    3x Ripmax tomcat Action man boat
    a small 20in yacht.
    See my Harbour for the rest.
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    πŸ“ 20th Scale ELCO 80ft PT boat part 30
    27 days ago by CB90 ( Sub-Lieutenant)
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    Hi There Shipmates,
    It be 2 whole days since the last update!
    Added helm turret
    Added helm interior.
    Added aerial mount.
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    πŸ“ Good Buy????
    28 days ago by CB90 ( Sub-Lieutenant)
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    Hi Fred,
    Looks good, you seem to have a lot of fittings and window frames!
    I would replace prop-shaft with a modern stainless as the old ones rust, also lookout for delaminating ply as this is a common problem with these vintage boats.
    I'm sure you are aware that the original boat (full scale) had twin motors etc. but you rarely see them in the models.
    Regards
    Roy
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    πŸ’¬ Re: 20th Scale ELCO 80ft PT boat part 29
    28 days ago by CB90 ( Sub-Lieutenant)
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    Hi ARTH,
    Here some You tube videos of their construction at Bayonne

    https://youtu.be/Z8tQP3s9DIQ
    https://youtu.be/8e6Ei5UvLqI
    https://youtu.be/MN47z3n52-c

    Regards
    Roy
    https://youtu.be/Z8tQP3s9DIQ
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    https://youtu.be/8e6Ei5UvLqI
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    https://youtu.be/MN47z3n52-c
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    ▢️
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    πŸ“ Posting Photos
    29 days ago by CB90 ( Sub-Lieutenant)
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    Hi Martin,
    Thanks for the info,
    A right pain if your posting 14 photos.
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    πŸ“ 20th Scale ELCO 80ft PT boat part 29
    29 days ago by CB90 ( Sub-Lieutenant)
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    Hi There Shipmates,
    Have added the large Engine hatch to the back of the Dayroom cabin, so that the two act as the main access to the boats hardware.
    Also started on the Dayroom's Turret made from a 60mm pipe joint,
    after marking position, I cut away the corner of the Dayroom and glued in position.

    Still cannot get the hang of uploading pictures in the right order.

    Regards
    Roy
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    3
    πŸ“ New radio- strange behaviour.
    29 days ago by CB90 ( Sub-Lieutenant)
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    Hi ianed57 and Shipmates,
    Reading through the post I think it could simply be poor main batteries, If his battery pack is not in good condition or or has poor connections under load the supply voltage will drop the ESC's BEC will not be able to maintain a voltage to the receiver the Mtroniks ESC needs a minimum of 6v to operate correctly (BEC).

    On your first post you mention AA batteries, I assume they were his main power supply, if he only has 4 in series his max voltage will be 6v, and could easily dip under that, under load, causing problems to the receiver supply from the ESC.
    Regards
    Roy
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    πŸ’¬ Re: The Roof Antennas and Navigation Lights.
    1 month ago by CB90 ( Sub-Lieutenant)
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    Hi robbob
    Good idea for making working Navigation lights and other items.
    Thanks for sharing
    Roy
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