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>> Home > Tags > radio

radio
radio control
radio
Holy SMOKE !! Video, Tin Can Madness by RNinMunich Fleet Admiral!   Posted: 1 day ago
BTW: I grew up with valves (or bottles as we Brits also call 'em) as well. I still have a box of several vintage 'bottles' in the cellar, many of them new still in the original boxes. If you ever run out of triodes, pentodes or tetrodes give me a buzz! Think I still have some pristine EL80s - collectors items these days - lots of Oomph 😁 My next non-model boat electronic project is a pair of digital clocks in 'Art Deco' cases, using bottle decade counters. The forerunners of the fluorescent tubes and then the LED clocks, but much more fun😉. About forty years ago I spent a year or so servicing and calibrating the radiation monitors around UK nuke power plants using these decade counters. One cosmic radiation click = one jump in the base counter and so on. Never ever saw anything above the basic cosmic radiation background count which is always there. A remnant of the 'Big Bang'. 😲 Funny where an interest in electronics and radio can getcha 😁 Look forward to your chimney experiment report👍 My destroyer has two funnels but I found that the little railway smokers were not man enough to feed two funnels via a branched tube. But two working in parallel off the one RC channel did the trick. Regarding the chimney effect; Works well at rest or at low speeds, but I also found that instead of a fan some traditional air vent scoops mounted forward of the smoker augmented the effect well at higher speeds. And my long thin destroyer with 2 x 540s on 12V made a lot of 'speed boats' look silly 😁 Have fun, ciao, Doug 😎

Cracked Battery! by RNinMunich Fleet Admiral!   Posted: 7 days ago
I know what is was 😉 COMMS equipment; particularly for ship to shore radio! Obviously made a deeper impression than batteries 😁

Slow going ... by BW3 Chief Petty Officer   Posted: 8 days ago
After building the mine laying rails I then purchased scale German mines , only to find out that they are 4mm wider than the rails on the boat, ...what to do , cut the mines (8) down and rework the base and wheels to fit the boats rails or move the rails wider ..... moving the rails ... slow going , found that the motors I have are more aircraft/drone use per the esc, , no reverse .... Hobbyking does have esc that will work , still need a couple of servos and a radio , just not sure if a 6 Chanel land/ boat radio or get a large channel stick radio would be better ... as always $$$$ is an issue . Work on the messy table as I fit cut and replace fittings and supports ... Smooth sailing to all... Bill G

Sea Trials and mods. by BOATSHED Fleet Admiral!   Posted: 11 days ago
Wow Robbob, I have just seen the video of your Crash Tender. She is amazing. Looks great on the water. I just love the way these hulls sit on the water. Virtually no roll at all, it's as if they are glued to the waters surface. The Aerokits Crash Tender was my very first boat back int 1959, it was my 9th birthday present and my father and I started to a build. But he wasn't happy about building the original kit straight outright. As our first ever build, he brought home broken down tea chests and orange boxes and he got me to draw round all the parts and he went on to cut each piece out with a nice new fretsaw. So as the first one went together and it seemed to go well then the Aerokits one followed on. He then bought me a ED Hunter 3.46cc Diesel engine for my Christmas present that year. I say he I should say my parents both bought them for me. Sadly I never got to have radio control in it. I was weird as we went on to build another five in all. One was given to my younger brother, his had a Taycol Standard in it, and I had the job of taking the accumulator to the local model shop to have it charged up as we never had a charger for it. I think they used to charge something like a shilling each time it was done. The other five that we built he actually gave away to friends and one even went to the milkman. I still have a 34 and a 46 inch still new in boxes. The 34" is an original that Was Released in 1994 by Aerokits on the 50th Anniversary and the 46" is a VMW kit. I have a 46" to refurbish and have scaled one down and built a 28" in Balsa wood. As well as a 46" PT 109 with a 26cc in her that also sits on the water the same way. Sorry to waffle on it just brings back old memories. I'll leave it there. I just love your Build such detail.

Bournville Open Day by Aquaflite Lieutenant   Posted: 15 days ago
Bournville MBC Open Day. Bournville Radio Sailing and Model Boat Club invite all RC Skipper both wind and Power to join in their annual Open day. On the day racing for both sail and Power.along with informal sailing and general chit chat with like minded modellers. Free to enter Light Refreshments Free Parking Disabled Access Contact Rob Fowler 07714517445

Older Billings Models by Tica Commander   Posted: 17 days ago
Happy new year to you to I would believe that the Samson is DMI Samson http://www. style='background-color:yellow;'>radiostyrt.no/forum/modellb%C3%A5ter/byggeprosjekter/51973-dmi-samson The yacht could be BB Neptun (I have a complete kit and a copy of the drawing on stock), Sea Star or Sea King both is with ABS hull. It could also be DMI admiral. But I don't recall any DMI / BB yachts that was to be painted yellow. Regards Carsten

fuses by teejay Commander   Posted: 1 month ago
Schnellboot Radio control setup 3 Mtroniks M400 marine Motors (running at 12V, at maximum efficiency it will run at around 20,000 Rpm and pull around 4 amps. Start-up current depending on prop size (30mm on 4mm prop shaft) would be around 10amps (6-12 volts) 3 Mtroniks Viper marine 15 ESCs connected using Mtroniks W-tail mixer with 10-amp fuses used between ESC and battery’s Batteries are 1 Carson 2100 MAH High performance NiMH battery pack 2 Vanquish 22oo MAH NiMH battery pack All Batteries are 7.2 V I have tested the set -up all the ESC are synchronised, and all seems well on the bench but when I try it in test tank all the fuses blow, and I check all connections and there are not short circuits on the connections or switches can anyone help

How to RC small boats? by DodgyGeezer Lieutenant   Posted: 1 month ago
There's no great need to dismantle a servo to get motive power - nowadays you can buy model motors that are not much thicker than a typical boat propshaft, and speed controllers the size of a thumbnail. Usually for about a pound. These small drones have really helped in this regard. This one, for instance, is 0.6cm diameter by 1.5cm long - https://www.ebay.co.uk/itm/Original-JJRC-H20-RC-Drone-H20-08... Your biggest problem will usually be rudder control - there will be little room for a servo and tiller right at the stern of small boats. For an EeZeBilt I recommend a closed loop system which lets you relocate the servo anywhere convenient - see http://eezebilt.tk/ style='background-color:yellow;'>radio.html The EeZeBilt Terrier below is 10.75 inches long...

Back again by marky Fleet Admiral!   Posted: 2 months ago
Things are going well with the radiotherapy ,spend most of the day travelling to hospital,treatment then back home again and sleeping. so not much happening on the boat building front, still only 4 more days to go 😁.Cheers Marky

Smoke generator by landie Chief Petty Officer   Posted: 2 months ago
Mine is still in the "pile of bits on the bench" stage but when I figure out how to package it I'll post some pics. The model it's going into is HMS Cadiz, battle class destroyer which is around 1:96 scale so there's not a huge amount of space available, especially as the funnel is currently above the radio gear and batteries so I'll need to pipe the steam from the spare compartment I have nearer the bow.

Broads River Cruiser Yachts by NorfolkBroads Chief Petty Officer   Posted: 2 months ago
Some pics of a couple of Norfolk Broads sailing yacht classes I have constructed to precise detail externally, which were built on the Broads as holiday hire fleet craft in 1947 and to the present day. One is 1:8 large scale and the other 1:18 scale. The larger scale yacht required a suitable detachable keel bulb for radio control use.

Ship rudders by RNinMunich Fleet Admiral!   Posted: 2 months ago
Hi Toby, that's exactly why I do not use a 'Dumbphone' for such things. I also have a Samsung so called smartphone, I use it for telephoning (now there's novel) and SMS and occasional snapshots if I don't have a real camera with me. First thing I do with a Smartphone is dump all the the bl***y pre installed Apps that I don't need and just take up memory space or constantly try to 'Call Home' and demand updates😡 As you have discovered; it's the Apps that are smart (or not😲) and NOT the phone itself. Like any computer; 'Rubbish in = Rubbish out'! Before I left UK to work in Germany I worked for a year or so with the then Home Office Radio Regulatory Department and the then 'start up' Vodafone on Acceptance Test systems for the phones and surveying for cell sites. It was pretty clear even then, reading between the operating software lines, where things were going! My first job here in Munich was reprogramming a test system for mobile phones so that it actually did what was needed to simulate the network and prove all functions of the mobiles. Searching for cell sites with two great guys from the Home Office labs was a lot more fun - but the Germans paid better 😁 As you rightly noted 'Ich bin ein Nachteule'! Aber jetzt reicht's mir auch! Gute Nacht, Cheers, Doug 😎

My other hobby by Hellmut1956 Sub-Lieutenant   Posted: 2 months ago
Hi. Mi private pilots license also does not include night flying. But interesting is to consider when they define what is included. When having a certain number of instructed night flights you are entitled to fly in the vicinity of an airport. Vicinity of an airport German definition is that you have to be able to see the traffic in the pattern of an airport. When I did my flight from San Jose, CA to Phoenix SkyHarbour, I was able to see the traffic being about 1.5 hours from the airport. The night definition is that the night begins 30 minutes after sunset. So was entitled to do this night approaches as you can see the traffic in the pattern, on a large airport like Sky Harbour, and in the Southwest of the USA from very far. But when doing these landing operations at a large international airport, shortly before touch-down you are flying into a black hole. Due to this on my first landing in Sky Harbour, I made an awful 3-point-landing making the plane jump 2 or 3 times. Fortunately, I was aware of how to react properly when this happens. The second special experience is when you are taxiing on the runway to get to its exit and report "runway vacated" in a small plane like a Cessna Cutlass the lights lose their structure. So I went to search for the yellow line on the left side of the runway until it curved into the exit. But this yellow line and the blue runway lights are hugely distant from each other so I had to focus my efforts to stay to the right of the blue lights but still being able to see the yellow line. Once I crossed the lines that mark that you are leaving the runway I could report back to the tower "runway vacated". My second-night landing was when I did try to fly to an airport next to the "Grand Canyon". As the report of the airport said expect gain or lose 40 knots of speed on final I decided not to land and flew back To Phoenix. What a wonderful experience. The landscape was already impressive on my flight to the Grand Canyon, but it was topped when I flew by night. First I was in contact with one center in charge while being above a certain altitude. Then this center passes you to one in charge below that altitude. Makes you feel like a professional pilot. Finally, this center did pass me to the tower of Sky Harbor. I was approaching from the north. Then, what controllers of large airports like they make you cross the airport midfield what ensures you stay away from the other traffic of the airport. You cannot imagine what a sight it is when you approach a large city like Phoenix by night. After he gave me its clear to land I was remembering my awful night landing earlier. When I did have the feeling that I was about to touch-down I did control the airplane so that all you felt on touch-down was the vibration of the wheels turning. A Geman friend of mine that was on the plane with me was so impressed that he said he would fly again with me at any time. One other fact I want to share is the importance to really dominate the phraseology of radio communication and what Americans call to know the system. On my first approach by night to Phoenix, I did confuse the last VOR with the ILS beacon. So when switching to what I thought to be the last VOR the needle got full to the right and stayed there. So I did a report I was not able to tune in the VOR and so tower did give me instructions for the further approach. When you fly in from the west you fly over a mountain full of antennas and the red lights on top of it. I felt very good being routed by the tower. Those of you familiar with night-flight and how to find the location of the airport know the rule of the black spot within the lights of the city is where the airport is. Well, Sky Harbor has the terminal building between its 2 runways and so Sky Harbor does not look like a black spot. So when the tower asked me if I had field in sight I did respond negative a couple of times until he reported that I was on the 45 for the runway. Then I finally saw the airport. Here is something that is the consequence of good radio training. My instructor always said to report negative until you are really enabled to say affirm. So Tower knows when you are really able to report affirm. Do not be shy, it is your and others life! The second time on that approach was when tower gave me the instruction: 3-60 to the right until further advice! My teacher played the role of the tower and one of the things he said to teach us the right behavior was to stay silent and fly as instructed until tower contacts you again. I do confess I had never done 3-60s neither by night nor during the day! So I put the plane into a standard curve, kept it there, watched my altitude and speed. Being so familiar with this instruction from the tower I felt "at home" and this being relaxed was very useful!

Wilhelm G by jbkiwi Commander   Posted: 2 months ago
[Score: 5/10] 36" Wilhelm G Capable of 3mph and a runtime of 50mins Single Propellor (3 Blade 40mm) Direct Drive to a 540 (3 Blade) Powered by Lead Acid (12v) Batteries - Comments: Scratch built 'freelance' tug carved from a solid 12''x 12''x 45" block of driftwood in the 70s Wheelhouse was ply. Motor controlled by a set of car points for on/off. Had 2 different cabin styles and rails in its life. Had lights. Radio was Futaba 'brown box'on 27mhz.

Titan by jbkiwi Commander   Posted: 2 months ago
[Score: 5/10] 38"/2500g Titan Capable of 3mph and a runtime of 40mins Single Propellor (4 Blade 40mm) Direct Drive to a 540 (4 Blade) Powered by Lead Acid (12v) Batteries Controlled Through none ESC - Comments: Built this in the 80s. Carved from a block of foam and fiberglassed (hull and deck). Wheelhouse was ply, everything scratch built to own design. Had 540 motor with a set of car points for on /off. had lights that could be switched on by deck switch. Radio was Futaba 'brown box' on 27mhz.