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>> Home > Tags > rudder mount

rudder mount
battery mount
engine mount
motor mount
rudder
twin rudder
rudder mount
Painting by MouldBuilder Admiral   Posted: 1 day ago
I must admit that the painting process is not my favourite. It takes so long and time is always at a premium due to work commitments. I rush it a bit so that the build can continue. I fitted all of the windows into the deck structure and covered them with the low tack film. I then primed, two coats, painted, two coats followed by two coats of lacquer. I am quite pleased with the results even though it is not perfect. I decided not to fit the deck until all of the electronics, including the ESC, battery and receiver had been installed. This is because one of the big problems with this model is the lack of room to work in once the deck is in place. Another problem I encountered was the fitting of the tiller cranks onto the rudders. If the instructions are followed, it is almost impossible the adjust or remove them once the deck has been fitted. I solved the problem by reversing the cranks and bending the connecting wire to miss a bulkhead support. The screws can now be reached from the deck opening. I have now completed the majority of the painting and have started to assemble the remaining parts. Currently I am doing the wiring of the lighting and making a couple of circuit boards. There are a lot of wires involved so to reduce the amount I have decided to us e a common negative. (Cannot remember what this is called right now). There are still a lot of wires and they are mostly coming out from the cabin structure. I have decided to introduce some nine pin connectors to make cabin removal a lot easier. This is quite a big job and will take a little while. I really enjoy this bit. The results add that little bit of extra satisfaction when it all works as it should.🤓 The top search light assembly came as a bit of a surprise. It is manufactured from nickel silver plate and requires soldering together. Even though I am a precision engineer, I have not soldered a box since I was at school. Once I stopped burning my fingers with the heat, I quite enjoyed the assembly even though it would have been useful to have an extra hand and took the best part of today to complete.😤 I can honestly say that I have enjoyed most of this build and even though earlier on I was thinking to avoid Aero-naut models in the future, I have changed my mind. They are very cleverly designed. I expect to complete this model some time in March. That would be the first for me to complete in recent times even though I have two others on the go and one new one in its box ready for a Summer start.😊

HMS BRAVE BORDERER by kevinsharpe Sub-Lieutenant   Posted: 1 month ago
Hi. Been watching this build progress and the discussion. Having seen the recently posted pictures of the rudder installation it appears that your problem is probably caused by the rudder aspect. From the photos it appears that the rudder post is not mounted completely vertical. Thus when the blade is turned by the servo this will create an aileron or elevator effect on the water flow. Things behave very. Much the same in water as they do in the sir. Regards Kevin

Fairmount Alpine by jugge Lieutenant   Posted: 2 months ago
A Little bit forward , propshaft and rudders ar mounted and some things on the superstruktion , im going to start with the running lights tonight Have a nice day everybody // Jörgen

Deck, servo mount by Joe727 Fleet Admiral!   Posted: 2 months ago
Put together a pilot house based on some tugs I've seen. Just freelanced it as I went. I build a lot with styrene so I am used to just cutting and building. I use liquid styrene cement that fuses the materials together. See photo, will trim it out as I mount it, need to add some detail at roof and some Navigational lighting. Put on on 3mm plywood deck, same as hull bottom. The deck is also curved (proper term is SHEAR) and I started to build up some wood edge at the opening. Will sand everything well, then start sealing and priming all surfaces. Made a bracket for the rudder servo mount and an adjacent platform for the ESC and RX. Ordered two 6v 5ah SLA batteries. I will wire in parallel to stay with 6v and get 10ah. I like to stay with 6 volts as I want the motor to run slow like a tug should. Will wire in an in-line fuse. Haven't decided where I will put switch, up high somewhere to avoid water. I will show the wiring once I get to it. This build is going fast because it's a simple design, just what I was looking for. I work on it late afternoons and into the evening while I watch basketball games. About 4 hrs a day. Looking forward to building the hatch and getting some primer started tomorrow. Regards, Joe 👍

BRAVE BORDERER by TOWN3810 Sub-Lieutenant   Posted: 2 months ago
Hi I once saw a boat called a Telectra perform . Hard chine hull nothing unusual. This planed as flat as a pan cake even in fast turns . It was unusual in having a central single screw close to the transom but with twin rudders mounted as far away from the prop as possible . So no propwash over the rudder Cheers Ian

Day Three by Joe727 Fleet Admiral!   Posted: 2 months ago
Hi, Using 3mm Baltic birch plywood, I skinned the hull. Used Titebond III wood glue, bent by hand, drilled and tacked in place with small brads. I cut the bottom oversized so it was easier to position, after drying 16 hours I cut the edges flush with the sides using a Japanese pull saw. Built the core for my rudder, see photos, solder my own arm as I did not have one. Used a 3/16" set collar, filed the surface to expose brass and solder a piece brass. Will drill the second hole later. Attached brass plate that will be inside the actual rudder, will build from either plastic or wood. Next, laid out the placement of the stuffing tube, then drilled the hull then I built a motor mount from wood and added some green foam to limit mount vibration and sound transfer. Set the rudder post and block. Time to let everything overnight. Joe

coastguard by Northumbrian Fleet Admiral!   Posted: 3 months ago
I bought the hull from a member on here stripped the insides and redone it to take the rudder servo i made the motor mounts from ply & used epoxy to set them in it runs nicely on the two 45mm brass props the superstructure will be made from lite ply

Mixer by RNinMunich Fleet Admiral!   Posted: 4 months ago
Hi TJ, The third motor can be connected to one of the secondary outputs, rudder or third (central) motor as it has no effect on the steering! The mixer only affects the two outer motors to augment the steering. Fairly elementary, anything on the boat's longitudinal axis can't have any leverage effect on the steering.😁 "The WTail mixer also has two extra outputs to allow you to connect up a rudder and a further centrally mounted motor." Ciao, Doug 😎

HMS Sabre, Scimitar-class preceded by Archer-Class by CB90 Fleet Admiral!   Posted: 6 months ago
[Score: 5/10] 26"/1400g HMS Sabre, Scimitar-class preceded by Archer-Class Capable of 12mph and a runtime of 15mins Single Propellor (3 Blade 35mm) Direct Drive Powered by LiPoly (7.4v) 3Amp/h Batteries Controlled Through China 60A (30Amps) ESC - Comments: 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, as rudder is off set. and may have to be move into the prop wash. 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 aluminum 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:  Royal Navy Preceded by: Archer class In commission: 2003 – Active: 2 General characteristics Type: Patrol boat Displacement: 24 tonnes (24 long tons) Length: 16 m (52 ft 6 in) Beam: 3.1 m (10 ft 2 in) Draught: 1.2 m (3 ft 11 in) Propulsion: 2 × MAN 2480LXE diesels, 2 shafts Speed: 32 knots (37 mph; 59 km/h) Range: 260 nm (480 km) at 19 kn (35 km/h) Complement: 5 (1 officer, 4 ratings) Sensors and processing systems: Racal-Decca Bridge-master 360, I band navigation radar Armament: 2 × General purpose machine guns (stern-mounted)

Cheap motor for a quick fit, but what prop gents?... by Westquay Fleet Admiral!   Posted: 6 months ago
Hi Doug, yes, very similar sizes. (Nice finish on your Sea Hornet, btw. Mine cost me 99p off ebay!). My drill motor is from a 14.4Volt one, if I can find it! OR, I'll buy a 20,000 rev one from ebay. Roughly the same I should think. I'm going brushed because I have ESCs to use up, apart from the one or two for the Taycols, thanks to your kind provision of electro-boards. I was thinking 30-35mm prop. so that's good to have confirmed. This is actually the first full installation I've ever done in a model boat. My Sea Urchin is free running, the Crash Tender was installed by my Dad with REP single channel stuff and I once put a rudder servo in my brother's borrowed 575 yacht. Everything else (and that's a lot) has been static. Just got the steering servo mounted and made a sweet wee box for the Rx to help prevent it getting wet. Motor next. Cheers, Martin

Hull Pt2: Motorisation - Come What May!! by RNinMunich Fleet Admiral!   Posted: 7 months ago
As promised (or threatened?😁) stage two of the hull work and thoughts on motorisation. The hull was sprayed with two coats of grey primer/filler. Pic1. As usual this showed up the remaining imperfections (pics 2 & 3), but I'm not going to worry about them until I've got prop shaft tube and rudder stock sorted out and permanently fitted 😉 After my attempts to make and thread a 3mm prop shaft went awry Martin (Westway the Mechanicals Master👍) stepped in and made me a decent one complete with a bushed stuffing tube 👍 Vielen Dank Meister😊 I did however manage to make a 4mm to 3mm reducer so that I could fit a Rabeosch 35mm prop as seen in pics 2 & 3. The tube and shaft from Martin, arrived Saturday an' he only made it on Monday😊, have been dry fitted so that I can start setting up the gears, necessary to bring the drive down to the prop shaft fitted very low down in the hull, and motor mount. Pic 4. Motorisation: (Remember folks - this kit was designed and built as a static model!) I want to use the old 1950s Taycol Target motor which my Dad originally fitted in the Sea Scout which I have renovated and upgraded to brushless. See Build blog 'Sea Scout - Jessica' Many of you will know that the Taycol motors were field coil motors, meaning that they have no permanent magnet around the rotor coil, and thus reversing the battery connections to the brushes had no effect on the direction of rotation, as this simply reversed the magnetic fields of both stator and rotor coils🤔 To counteract this so that the motor could be used in both forward and reverse with a conventional brushed ESC I modified the motor slightly (separated the two coils) and built a simple converter board to connect it to the ESC. Again see the Sea Scout blog for the details of the conversion. Basically; once the field coil and brush-gear (rotor coil) have been separated a simple diode bridge can be used to apply the output of the ESC to the motor. This enables the reversal of EITHER field OR rotor coil polarity, depending on how you connect the converter to the motor. Thus reversing the direction of rotation of the motor. Beneficial side effect is that the diodes also suppress the commutator sparking😊 In my case, with the Taycol Target, I also cleaned, flattened and polished the commutator. Thus significantly reducing the potential for spark generation in the first place! A peculiarity of the Taycol motors is that they all use metal brushes, pressed phosphor bronze strip, so they need oiling! DO NOT oil conventional brushed motors with carbon brushes unless the brushes are exchangeable or you want to have to buy a new motor!!!!! Pics 5 & 6 show the proposed position of the Taycol in Gina 2 and pic 7 the prototype converter board I knocked up to test the motor, together with a Graupner Navy V30R Marine Brushed ESC. Details and results in the Sea Scout blog, including video of the sparks and oscilloscope pics of the drive waveforms before and after conversion! The latter showing the spark suppression effect of the converter😊 Some samples attached - last 3 pics. Pic 8 pic shows a more compact version of the converter, one of a few types I'm doing for Martin's various Taycols as a trade for the prop shaft he made for me and some useful material he sent. Thanks mate👍 Next steps will be 1) mounting the gears correctly on the shafts, requiring the manufacture of a 3/32" to 4mm adaptor and a 1/8" to 4mm adaptor, and keying them to the shafts - Hooray for mini milling machines 😉 2) manufacturing bushed end plates to hold the gears in place, 3) fitting the motor mounting platform. I'll probably borrow from my experiences of real shipbuilding and do this as a suspended 'false floor', i.e. mounted on stiff springs to enable adjustments to optimise the gearing mesh! On real naval ships this is done to improve shock resistance and to minimise engine noise / vibration conduction to the hull, thus significantly reducing the acoustic signature of the ship. Not that I'm tooo worried about being torpedoed 😁 Worth a try😉 Pic 9 shows the cleaned up and renovated Taycol Target motor. Pic 10 shows the drive waveform complete with sparks before modification.🤔 Pic 11 the cleaned 'forward' waveform with the converter board. Pic 12 the cleaned 'reverse' waveform, no suppression capacitors needed 😉 More soon folks, Cheers, Doug 😎 PS Along the way a new keel was fitted as can be seen in pics 1 to 3. The original builder had 'buried' the keel in the hull planking! 😲

Rudder Horns ect by Fred Commander   Posted: 8 months ago
Hi Well after some time thinking about making some new rudder horns (thinking = four beers) I have made them out of an old three pin plug I used the small fuse clip that the wire goes into, I have also used a mini servo and all seem's to work O.K, new motor mount made so that the motor's now line up, I also had to make a new rear deck and bulk head I will in time plank the rear deck, I have also started on making new rear deck housing. Fred

Seaplane Tender 360 by RNinMunich Fleet Admiral!   Posted: 8 months ago
Hi Bryan, If you want to do the SOE version she was most likely painted all matt black! The colour of skulduggery 😉 What ever you do, despite your good intentions to retain the 'old patina', judging by the photos you are in for a complete strip back and redo. Just as I have discovered with the PTB I bought. Thought it would just be a 'cosmetic job', flatten back and respray with Pacific green camouflage. Ho ho ho! Pics show what she currently looks like after cleaning off layers of enamel, and discovering that the prop shafts and rudders were misaligned and the chine strakes glued to the paint. 😡 Never mind an engine room fire when I tried to test the 'as bought' motor installation. 😭 Since those photos I have fitted new a new chine strake and started reinforcing the thin hull with glass fibre tissue. Next issue; set prop tubes properly and make an alu bracket to mount both the motors. Then set the rudder stocks correctly. Last thing I want is to dampen your enthusiasm, but that hull looks like it needs oodles of TLC. 🤔 Be aware of what's ahead of you and plan accordingly👍 Deck looks pretty neat, if unusual for a WW2 in service boat! As far as I can tell from the photos it's not just the cabin roof which is warped 😲 cabin and window frames will also need some attention by the looks of it. Before you run that motor I would strip it, clean all parts and check brushes and commutator for wear. See my Sea Scout blog 'Taycol Target motor' for a 'How to'. Should run well with a 3S LiPo, 11.1V. These boats weren't the fastest, 28 - 30 knots I believe. Which is why ST360 was reduced to more mundane duties after try outs by SOE. Don't forget some spark suppression!! Good luck, whatever you decide to do have fun doing it, Cheers Doug 😎

MAS 562 update by CB90 Fleet Admiral!   Posted: 10 months ago
Skinned the frames added deck and splash rail also started on cabin and superstructure, added rudder and installed twin brushed Graupner 600 motors via Graupner style direct couplings. Motor mounting system through a bulkhead gives extra support to motors which mount on to end of the shafts. currently adding a rudder servo mount, as rudder is a close copy of the real boat's and still functional.

H.M.S. BRAVE BORDERER by reilly4 Fleet Admiral!   Posted: 10 months ago
Hi Rowen, I have had water cooling on all my patrol boats running at 12Volts, whether brushed or now brushless. For the brushed motors I have used aluminium tube coils with water pickups between the propellers and rudders. I did try water jackets a couple of times but found too much friction loss and therefore lack of flow. For the newer brushless outrunners I use a brass tube soldered to a brass plate across the front of the motor fitted between it and motor mounting bracket. I agree with Doug with regards to the disconnection of the red wires on the ESC's. This is now common practice, especially if you have an external receiver battery.