HiI don't know how old this blog is, but thought I'd add some input on the question of how to seal the drive system from water leakage.I just completed a Dumas tug model and the idea of using a grease stuffing shaft didn't appeal to me.
For independent control of two motors the best bet will be using one of the new helicopter radios and two ESCs.You can set one stick for throttle up and down and use the right and left for differential of each motor. WITH ITS STRIKING PROFILE, HIGH SPEEDS AND MANUVERABILITY, YOU HAVE AN EXTREMELY AUTHENTIC RECREATION OF THE US NAVY RIVER BOAT!! IN THE WATER, THE SHIPS SCALE WAKE AND ITS STABLE MANUVERABILITY ARE EXCEPTIONAL.    WITH ITS DEEP VEE HULL DESIGN, WAVE AND CHOP ARE NO MATCH FOR THE RIVER PATROL BOAT. Shipping and handling: $ FREE SHIPPING  TO THE 48 CONTIGUOUS STATES!!  Alaska, Hawaii, Puerto Rico, AND International shipping - CALL FOR SHIPPING QUOTES PRIOR TO PURCHASE!!
To subscribe to my model boats blog (no e-mail address necessary), RIGHT-click on the orange RSS button and then copy-and-paste the URL of this site's RSS feed into your RSS reader. Or click on the Google, My Yahoo!, My MSN, or Bloglnes button if you keep a personalized home page there. Apr 03, 2015Bertram 38 Convertible - inspired "Dirty Deeds"Right after finishing up my previous vessel Berrinche, I embarked in this project in preparation to this boating season. Racing boat enthusiasts will enjoy the great results achieved with this boat in terms of stability and enhanced planing. In my job as an engineer, we sometimes have to transmit motion through a vacuum chamber wall and use magnetic couplings to do this. I use the inexpensive Fly Sky 6 channel radio.You might want the 9 channel for more goodies. Here you'll see the latest updates and additions to the site with the most recent addition first.
These are mainly organized in terms of their engine type - whether electric, nitro, flash steam or gas; and hull type – which may be mono, hydro, cat, outrigger and eco. The world’s fastest RC boat is a gas powered C-1 boat which is able to achieve speeds of up to 200 mph.
The engine is fitted with a recoil starter and its turning performance and drive efficiency enable the catamaran to avoid capsizing. His favorite ones are the fastest RC boats - of which he has over 10 different models, and he enjoys meeting other people who share his passion for RC. I know I would like dual props and two motors, each direct drive, forward, reverse and fully speed controlled independent of each other (I presume) and a way to control the dual rudders.My ship is about 35" long, 7" wide amidships and 14" tall. I adapted this approach to the tug drive and built my own version of the coupling.Basically, the motor drives a set of magnets in a housing and couples magnetically to a magnetic rotor which is housed in a waterproof canister.


The boat also features reverse flow on the drainpipe which utilizes pressure at the back of the hull for the automatic drainage of water from the hull. I expect to make the hull out of wood and sealer with all work above the main deck to be balsa.What I don't know is how to match all these devices together with a radio transmitter etc. The rotor is connected to the drive shaft which passes through a tube which is epoxy sealed to the hull. This engine was designed in conjunction with Lamborghini who are known for powerful engines which are used in full sized boat racing. At full throttle, this boat is able to achieve acceleration instantly and even surge out of the water.
The rubber mounted engine also helps in controlling the boat’s noise levels, while the one-piece turn and vertical fin and flaps help to prevent any spinouts. The movement of the boat across the surface of the water is almost similar to that of real boats.
However, its design and outdrive steering setup enable the catamaran to retain its amazing stability even when it makes a sharp turn. Some of your questions have been asked before in different contexts and in slightly different forms. It's a good indicator I probably should write a separate page for several of those questions.I don't think I've ever been successful in getting everything in a single purchase, mainly for two reasons. This is part two where the hull frame is finished and getting ready for planking.Continue reading "Build an RC Boat Hull - Part Two"Aug 31, 2012RC Model Boats - An Introduction to Building Your OwnLearn to build RC model boats the easy and inexpensive way. You have plenty of displacement to work with, without requiring extreme construction methods. These projects are perfect for beginners and those looking for a cheap, easy, simple and fast build.Continue reading "RC Model Boats - An Introduction to Building Your Own"Aug 31, 2012Build an RC Boat Hull From ScratchA scratch built RC boat hull easy and inexpensive. It's good practice to have easy access to everything to do with control and propulsion.The most desirable solutions are concealed as deck houses etc.
Plans are available for download.Continue reading "Build an RC Boat Hull From Scratch"Aug 20, 2012Ironclads - From Casemates and Monitors to Pre-DreadnoughtsIronclads make great model boats. Simple solutions to many common questions surrounding home made RC boats.Continue reading "Radio Controlled Boats"Aug 06, 2012Simple Electric RC BoatsSimple Electric RC Boats build log. If you make sure the upper end of the tube is just slightly above the waterline, you'll never have to worry about water coming in. I like to use a brass tube with a close fitting brass rod as a shaft.I almost always make the rudders with a hardwood core the same thickness as the rod.


I try and make the brass rod not protrude outside the final shape of the rudder.Next I sandwich it all between two pieces of thin plywood. Once the epoxy is set I sand it to shape.Installing rudder servos and linkage is difficult to explain in only so many words. I think this can be worked out later, as long as you make sure there is access to fiddle with it.Propeller Shafts - Most propellers and shafts for scale model boats have metric threads - M4 being the most common.
To avoid taking in water, the stuffing tube is filled with grease before the propeller shaft goes in. I typically aim for two inches closest to the propeller.You need to figure out what length shaft to buy, and it can be tricky.
They typically come in two inch increments - 8, 10, 12 inches etc.Graupner is probably the most common brand, but there are others (Dumas comes to mind, but their selection is poor).
Delivery can be a problem, so order ahead of time.Propellers - Rarely have I been able to pick a single propeller and motor combination that I've been happy with. The easiest, cheapest and laziest approach is to commit to a motor and be flexible when it comes to the prop.You may want to consider buying at least three sets of varying diameter just to be safe. To keep the cost down, get plastic propellers and when you're in the ball-park you can upgrade to brass or bronze later.Motor - The power requirement is split between two motors on the model. Master Airscrew Speed 550 or Graupner Speed 500 would probably work well.The work-point for the motors will probably not be at max efficiency, since it's a direct drive. Since you will be using a left and a right hand propeller, I'd stay clear of the coupling that looks like an extension spring between two clamp collars. The best ones have two knuckles - one to adjust for angular misalignment, and the other for radial offset.It's good practice to give it your best effort to avoid misalignment.
As mentioned earlier, 4mm is the most common propeller shaft diameter.Most of what I've left out has to do with the RC controls - Transmitter, servos, Speed control etc.
I feel that can be worked out once the boat is built and rudders, shafts, motors etc are in place.Hopefully, I'll have articles covering those aspects in detail once you get there.



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Comments to “Rc boats to build”

  1. dagi  writes:
    Many of the airboating (20 mm) thick, using a plywood type to mark and.
  2. BEDBIN  writes:
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